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15704 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
0a6dce0a5c |
Char/Misc/IIO driver fixes for 6.19-rc7
Here are some small char/misc/iio and some other minor driver subsystem fixes for 6.19-rc7. Nothing huge here, just some fixes for reported issues including: - lots of little iio driver fixes - comedi driver fixes - mux driver fix - w1 driver fixes - uio driver fix - slimbus driver fixes - hwtracing bugfix - other tiny bugfixes All of these have been in linux-next for a while with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCaXY0dA8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ylkhgCgvwYNIuJosuQRKK0sFTOR1Utig3sAn2g6E2H9 AOZZ43qoosl++HsuXDLP =XzfC -----END PGP SIGNATURE----- Merge tag 'char-misc-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc/iio driver fixes from Greg KH: "Here are some small char/misc/iio and some other minor driver subsystem fixes for 6.19-rc7. Nothing huge here, just some fixes for reported issues including: - lots of little iio driver fixes - comedi driver fixes - mux driver fix - w1 driver fixes - uio driver fix - slimbus driver fixes - hwtracing bugfix - other tiny bugfixes All of these have been in linux-next for a while with no reported issues" * tag 'char-misc-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (36 commits) comedi: dmm32at: serialize use of paged registers mei: trace: treat reg parameter as string uio: pci_sva: correct '-ENODEV' check logic uacce: ensure safe queue release with state management uacce: implement mremap in uacce_vm_ops to return -EPERM uacce: fix isolate sysfs check condition uacce: fix cdev handling in the cleanup path slimbus: core: clean up of_slim_get_device() slimbus: core: fix of_slim_get_device() kernel doc slimbus: core: amend slim_get_device() kernel doc slimbus: core: fix device reference leak on report present slimbus: core: fix runtime PM imbalance on report present slimbus: core: fix OF node leak on registration failure intel_th: rename error label intel_th: fix device leak on output open() comedi: Fix getting range information for subdevices 16 to 255 mux: mmio: Fix IS_ERR() vs NULL check in probe() interconnect: debugfs: initialize src_node and dst_node to empty strings iio: dac: ad3552r-hs: fix out-of-bound write in ad3552r_hs_write_data_source iio: accel: iis328dq: fix gain values ... |
||
|
Linus Torvalds
|
00d20db21e |
block-6.19-20260122
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||
|
Linus Torvalds
|
0a80e38d0f |
Including fixes from CAN and wireless.
Pretty big PR, but hard to make up any cohesive story that would
explain it, a random collection of fixes. The two reverts of bad
patches from this release here feel like stuff that'd normally
show up by rc5 or rc6. Perhaps obvious thing to say, given the MW
timing.
That said, no active investigations / regressions. Let's see what
the next week brings.
Current release - fix to a fix:
- can: alloc_candev_mqs(): add missing default CAN capabilities
Current release - regressions:
- usbnet: fix crash due to missing BQL accounting after resume
- Revert "net: wwan: mhi_wwan_mbim: Avoid -Wflex-array-member-not ...
Previous releases - regressions:
- Revert "nfc/nci: Add the inconsistency check between the input ...
Previous releases - always broken:
- number of driver fixes for incorrect use of seqlocks on stats
- rxrpc: fix recvmsg() unconditional requeue, don't corrupt rcv queue
when MSG_PEEK was set
- ipvlan: make the addrs_lock be per port avoid races in the port
hash table
- sched: enforce that teql can only be used as root qdisc
- virtio: coalesce only linear skb
- wifi: ath12k: fix dead lock while flushing management frames
- eth: igc: reduce TSN TX packet buffer from 7KB to 5KB per queue
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from CAN and wireless.
Pretty big, but hard to make up any cohesive story that would explain
it, a random collection of fixes. The two reverts of bad patches from
this release here feel like stuff that'd normally show up by rc5 or
rc6. Perhaps obvious thing to say, given the holiday timing.
That said, no active investigations / regressions. Let's see what the
next week brings.
Current release - fix to a fix:
- can: alloc_candev_mqs(): add missing default CAN capabilities
Current release - regressions:
- usbnet: fix crash due to missing BQL accounting after resume
- Revert "net: wwan: mhi_wwan_mbim: Avoid -Wflex-array-member-not ...
Previous releases - regressions:
- Revert "nfc/nci: Add the inconsistency check between the input ...
Previous releases - always broken:
- number of driver fixes for incorrect use of seqlocks on stats
- rxrpc: fix recvmsg() unconditional requeue, don't corrupt rcv queue
when MSG_PEEK was set
- ipvlan: make the addrs_lock be per port avoid races in the port
hash table
- sched: enforce that teql can only be used as root qdisc
- virtio: coalesce only linear skb
- wifi: ath12k: fix dead lock while flushing management frames
- eth: igc: reduce TSN TX packet buffer from 7KB to 5KB per queue"
* tag 'net-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (96 commits)
Octeontx2-af: Add proper checks for fwdata
dpll: Prevent duplicate registrations
net/sched: act_ife: avoid possible NULL deref
hinic3: Fix netif_queue_set_napi queue_index input parameter error
vsock/test: add stream TX credit bounds test
vsock/virtio: cap TX credit to local buffer size
vsock/test: fix seqpacket message bounds test
vsock/virtio: fix potential underflow in virtio_transport_get_credit()
net: fec: account for VLAN header in frame length calculations
net: openvswitch: fix data race in ovs_vport_get_upcall_stats
octeontx2-af: Fix error handling
net: pcs: pcs-mtk-lynxi: report in-band capability for 2500Base-X
rxrpc: Fix data-race warning and potential load/store tearing
net: dsa: fix off-by-one in maximum bridge ID determination
net: bcmasp: Fix network filter wake for asp-3.0
bonding: provide a net pointer to __skb_flow_dissect()
selftests: net: amt: wait longer for connection before sending packets
be2net: Fix NULL pointer dereference in be_cmd_get_mac_from_list
Revert "net: wwan: mhi_wwan_mbim: Avoid -Wflex-array-member-not-at-end warning"
netrom: fix double-free in nr_route_frame()
...
|
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Jakub Kicinski
|
9146fe2829 |
Another set of updates:
- various small fixes for ath10k/ath12k/mwifiex/rsi
- cfg80211 fix for HE bitrate overflow
- mac80211 fixes
- S1G beacon handling in scan
- skb tailroom handling for HW encryption
- CSA fix for multi-link
- handling of disabled links during association
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Merge tag 'wireless-2026-11-22' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Johannes Berg says:
====================
Another set of updates:
- various small fixes for ath10k/ath12k/mwifiex/rsi
- cfg80211 fix for HE bitrate overflow
- mac80211 fixes
- S1G beacon handling in scan
- skb tailroom handling for HW encryption
- CSA fix for multi-link
- handling of disabled links during association
* tag 'wireless-2026-11-22' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
wifi: cfg80211: ignore link disabled flag from userspace
wifi: mac80211: apply advertised TTLM from association response
wifi: mac80211: parse all TTLM entries
wifi: mac80211: don't increment crypto_tx_tailroom_needed_cnt twice
wifi: mac80211: don't perform DA check on S1G beacon
wifi: ath12k: Fix wrong P2P device link id issue
wifi: ath12k: fix dead lock while flushing management frames
wifi: ath12k: Fix scan state stuck in ABORTING after cancel_remain_on_channel
wifi: ath12k: cancel scan only on active scan vdev
wifi: mwifiex: Fix a loop in mwifiex_update_ampdu_rxwinsize()
wifi: mac80211: correctly check if CSA is active
wifi: cfg80211: Fix bitrate calculation overflow for HE rates
wifi: rsi: Fix memory corruption due to not set vif driver data size
wifi: ath12k: don't force radio frequency check in freq_to_idx()
wifi: ath12k: fix dma_free_coherent() pointer
wifi: ath10k: fix dma_free_coherent() pointer
====================
Link: https://patch.msgid.link/20260122110248.15450-3-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
||
Christoph Hellwig
|
f5f2bad67a |
block: make the new blkzoned UAPI constants discoverable
The Linux 6.19 merge window added the new BLKREPORTZONESV2 ioctl, and with it the new BLK_ZONE_REP_CACHED and BLK_ZONE_COND_ACTIVE constants. The two constants are defined as part of enums, which makes it very painful for userspace to discover if they are present in the installed system headers. Use the #define to the same name trick to make them trivially discoverable using CPP directives. Fixes: |
||
Benjamin Berg
|
50b359896f |
wifi: cfg80211: ignore link disabled flag from userspace
When the AP has an advertised TID to Link Mapping (TTLM) it shall
include the element in the association response. As such, when this
element is present it needs to be used for the currently dormant links.
See Draft P802.11REVmf_D1.0 section 35.3.7.2.3 ("Negotiation of TTLM")
for the details. The flag is also not usable in case userspace wants to
specify a negotiated TTLM during association.
Note that for the link reconfiguration case, mac80211 did not use the
information. Draft P802.11REVmf_D1.0 states in section 35.3.6.4 ("Link
reconfiguration to the setup links) that we "shall operate with all the
TIDs mapped to the newly added links ..."
All this means that the flag is not needed. The implementation should
parse the information from the association response.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20260118093904.754e057896a5.Ifd06f5ef839a93bfd54d0593dc932870f95f3242@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
|
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|
Linus Torvalds
|
90a855e75a |
Landlock fix for v6.19-rc6
-----BEGIN PGP SIGNATURE----- iIYEABYKAC4WIQSVyBthFV4iTW/VU1/l49DojIL20gUCaWledRAcbWljQGRpZ2lr b2QubmV0AAoJEOXj0OiMgvbSBowBAID4pRQB8EKRNaoqadUWnoSE/wl929Y6KY7i FBf8aODOAP9lOtU/CjL5jHKjt00zKW5gX3o0LIuFzSeuzCFTVx2MBA== =Aef0 -----END PGP SIGNATURE----- Merge tag 'landlock-6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux Pull landlock fixes from Mickaël Salaün: "This fixes TCP handling, tests, documentation, non-audit elided code, and minor cosmetic changes" * tag 'landlock-6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux: landlock: Clarify documentation for the IOCTL access right selftests/landlock: Properly close a file descriptor landlock: Improve the comment for domain_is_scoped selftests/landlock: Use scoped_base_variants.h for ptrace_test selftests/landlock: Fix missing semicolon selftests/landlock: Fix typo in fs_test landlock: Optimize stack usage when !CONFIG_AUDIT landlock: Fix spelling landlock: Clean up hook_ptrace_access_check() landlock: Improve erratum documentation landlock: Remove useless include landlock: Fix wrong type usage selftests/landlock: NULL-terminate unix pathname addresses selftests/landlock: Remove invalid unix socket bind() selftests/landlock: Add missing connect(minimal AF_UNSPEC) test selftests/landlock: Fix TCP bind(AF_UNSPEC) test case landlock: Fix TCP handling of short AF_UNSPEC addresses landlock: Fix formatting |
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Linus Torvalds
|
f8907398a6 |
Ext4 bug fixes for 6.19:
* Fix an inconsistency in structure size on 32-bit platforms caused by padding
differences for the new EXT4_IOC_[GS]ET_TUNE_SB_PARAM ioctls
* Fix a buffer leak on the error path when dropping the refcount an xattr
value stored in an inode
* Fix missing locking on the error path for the file defragmentation ioctl
leading to a BUG
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Merge tag 'ext4_for_linus-6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o:
- Fix an inconsistency in structure size on 32-bit platforms caused by
padding differences for the new EXT4_IOC_[GS]ET_TUNE_SB_PARAM ioctls
- Fix a buffer leak on the error path when dropping the refcount an
xattr value stored in an inode
- Fix missing locking on the error path for the file defragmentation
ioctl leading to a BUG
* tag 'ext4_for_linus-6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix iloc.bh leak in ext4_xattr_inode_update_ref
ext4: add missing down_write_data_sem in mext_move_extent().
ext4: fix ext4_tune_sb_params padding
|
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Arnd Bergmann
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cd16edba1c |
ext4: fix ext4_tune_sb_params padding
The padding at the end of struct ext4_tune_sb_params is architecture
specific and in particular is different between x86-32 and x86-64,
since the __u64 member only enforces struct alignment on the latter.
This shows up as a new warning when test-building the headers with
-Wpadded:
include/linux/ext4.h:144:1: error: padding struct size to alignment boundary with 4 bytes [-Werror=padded]
All members inside the structure are naturally aligned, so the only
difference here is the amount of padding at the end. Make the padding
explicit, to have a consistent sizeof(struct ext4_tune_sb_params) of
232 on all architectures and avoid adding compat ioctl handling for
EXT4_IOC_GET_TUNE_SB_PARAM/EXT4_IOC_SET_TUNE_SB_PARAM.
This is an ABI break on x86-32 but hopefully this can go into 6.18.y early
enough as a fixup so no actual users will be affected. Alternatively, the
kernel could handle the ioctl commands for both sizes (232 and 228 bytes)
on all architectures.
Fixes:
|
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Linus Torvalds
|
b62ce2547f |
Power management fixes for 6.19-rc6
- Fix a memory leak in em_create_pd() error path (Malaya Kumar Rout)
- Fix stale description of the cost field in struct em_perf_state to
reflect the current code (Yaxiong Tian)
- Fix and revamp the energy model YNL specification added recently
along with the energy model netlink interface (Changwoo Min)
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Merge tag 'pm-6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix an error path memory leak in the energy model management
code, fix a kerneldoc comment in it, and fix and revamp the energy
model YNL specification added recently along with the new energy model
management netlink interface (that received feedback after being
added):
- Fix a memory leak in em_create_pd() error path (Malaya Kumar Rout)
- Fix stale description of the cost field in struct em_perf_state to
reflect the current code (Yaxiong Tian)
- Fix and revamp the energy model YNL specification added recently
along with the energy model netlink interface (Changwoo Min)"
* tag 'pm-6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: EM: Add dump to get-perf-domains in the EM YNL spec
PM: EM: Change cpus' type from string to u64 array in the EM YNL spec
PM: EM: Rename em.yaml to dev-energymodel.yaml
PM: EM: Fix yamllint warnings in the EM YNL spec
PM: EM: Fix memory leak in em_create_pd() error path
PM: EM: Fix incorrect description of the cost field in struct em_perf_state
|
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Ian Abbott
|
10d28cffb3 |
comedi: Fix getting range information for subdevices 16 to 255
The `COMEDI_RANGEINFO` ioctl does not work properly for subdevice
indices above 15. Currently, the only in-tree COMEDI drivers that
support more than 16 subdevices are the "8255" driver and the
"comedi_bond" driver. Making the ioctl work for subdevice indices up to
255 is achievable. It needs minor changes to the handling of the
`COMEDI_RANGEINFO` and `COMEDI_CHANINFO` ioctls that should be mostly
harmless to user-space, apart from making them less broken. Details
follow...
The `COMEDI_RANGEINFO` ioctl command gets the list of supported ranges
(usually with units of volts or milliamps) for a COMEDI subdevice or
channel. (Only some subdevices have per-channel range tables, indicated
by the `SDF_RANGETYPE` flag in the subdevice information.) It uses a
`range_type` value and a user-space pointer, both supplied by
user-space, but the `range_type` value should match what was obtained
using the `COMEDI_CHANINFO` ioctl (if the subdevice has per-channel
range tables) or `COMEDI_SUBDINFO` ioctl (if the subdevice uses a
single range table for all channels). Bits 15 to 0 of the `range_type`
value contain the length of the range table, which is the only part that
user-space should care about (so it can use a suitably sized buffer to
fetch the range table). Bits 23 to 16 store the channel index, which is
assumed to be no more than 255 if the subdevice has per-channel range
tables, and is set to 0 if the subdevice has a single range table. For
`range_type` values produced by the `COMEDI_SUBDINFO` ioctl, bits 31 to
24 contain the subdevice index, which is assumed to be no more than 255.
But for `range_type` values produced by the `COMEDI_CHANINFO` ioctl,
bits 27 to 24 contain the subdevice index, which is assumed to be no
more than 15, and bits 31 to 28 contain the COMEDI device's minor device
number for some unknown reason lost in the mists of time. The
`COMEDI_RANGEINFO` ioctl extract the length from bits 15 to 0 of the
user-supplied `range_type` value, extracts the channel index from bits
23 to 16 (only used if the subdevice has per-channel range tables),
extracts the subdevice index from bits 27 to 24, and ignores bits 31 to
28. So for subdevice indices 16 to 255, the `COMEDI_SUBDINFO` or
`COMEDI_CHANINFO` ioctl will report a `range_type` value that doesn't
work with the `COMEDI_RANGEINFO` ioctl. It will either get the range
table for the subdevice index modulo 16, or will fail with `-EINVAL`.
To fix this, always use bits 31 to 24 of the `range_type` value to hold
the subdevice index (assumed to be no more than 255). This affects the
`COMEDI_CHANINFO` and `COMEDI_RANGEINFO` ioctls. There should not be
anything in user-space that depends on the old, broken usage, although
it may now see different values in bits 31 to 28 of the `range_type`
values reported by the `COMEDI_CHANINFO` ioctl for subdevices that have
per-channel subdevices. User-space should not be trying to decode bits
31 to 16 of the `range_type` values anyway.
Fixes:
|
||
Rafael J. Wysocki
|
d51e68b700 |
Merge branch 'pm-em'
Merge fixes related to the energy model management for 6.19-rc6: - Fix a memory leak in em_create_pd() error path (Malaya Kumar Rout) - Fix stale description of the cost field in struct em_perf_state to reflect the current code (Yaxiong Tian) - Fix and revamp the energy model YNL specification added recently along with the energy model netlink interface (Changwoo Min) * pm-em: PM: EM: Add dump to get-perf-domains in the EM YNL spec PM: EM: Change cpus' type from string to u64 array in the EM YNL spec PM: EM: Rename em.yaml to dev-energymodel.yaml PM: EM: Fix yamllint warnings in the EM YNL spec PM: EM: Fix memory leak in em_create_pd() error path PM: EM: Fix incorrect description of the cost field in struct em_perf_state |
||
|
Linus Torvalds
|
d19954ee63 |
[GIT PULL for v6.19-rc6] media fixes
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||
Günther Noack
|
6abbb8703a
|
landlock: Clarify documentation for the IOCTL access right
Move the description of the LANDLOCK_ACCESS_FS_IOCTL_DEV access right together with the file access rights. This group of access rights applies to files (in this case device files), and they can be added to file or directory inodes using landlock_add_rule(2). The check for that works the same for all file access rights, including LANDLOCK_ACCESS_FS_IOCTL_DEV. Invoking ioctl(2) on directory FDs can not currently be restricted with Landlock. Having it grouped separately in the documentation is a remnant from earlier revisions of the LANDLOCK_ACCESS_FS_IOCTL_DEV patch set. Link: https://lore.kernel.org/all/20260108.Thaex5ruach2@digikod.net/ Signed-off-by: Günther Noack <gnoack3000@gmail.com> Link: https://lore.kernel.org/r/20260111175203.6545-2-gnoack3000@gmail.com Signed-off-by: Mickaël Salaün <mic@digikod.net> |
||
Thomas Gleixner
|
2e4b28c48f |
treewide: Update email address
In a vain attempt to consolidate the email zoo switch everything to the kernel.org account. Signed-off-by: Thomas Gleixner <tglx@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
Changwoo Min
|
380ff27af2 |
PM: EM: Add dump to get-perf-domains in the EM YNL spec
Add dump to get-perf-domains, so that a user can fetch either information about a specific performance domain with do or information about all performance domains with dump. Share the reply format of do and dump using perf-domain-attrs, so remove perf-domains. The YNL spec, autogenerated files, and the do implementation are updated, and the dump implementation is added. Suggested-by: Donald Hunter <donald.hunter@gmail.com> Reviewed-by: Lukasz Luba <lukasz.luba@arm.com> Reviewed-by: Donald Hunter <donald.hunter@gmail.com> Signed-off-by: Changwoo Min <changwoo@igalia.com> Link: https://patch.msgid.link/20260108053212.642478-5-changwoo@igalia.com Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
||
|
Changwoo Min
|
caa07a815d |
PM: EM: Rename em.yaml to dev-energymodel.yaml
The EM YNL specification used many acronyms, including ‘em’, ‘pd’, ‘ps’, etc. While the acronyms are short and convenient, they could be confusing. So, let’s spell them out to be more specific. The following changes were made in the spec. Note that the protocol name cannot exceed GENL_NAMSIZ (16). em -> dev-energymodel pds -> perf-domains pd -> perf-domain pd-id -> perf-domain-id pd-table -> perf-table ps -> perf-state get-pds -> get-perf-domains get-pd-table -> get-perf-table pd-created -> perf-domain-created pd-updated -> perf-domain-updated pd-deleted -> perf-domain-deleted In addition. doc strings were added to the spec. based on the comments in energy_model.h. Two flag attributes (perf-state-flags and perf-domain-flags) were added for easily interpreting the bit flags. Finally, the autogenerated files and em_netlink.c were updated accordingly to reflect the name changes. Suggested-by: Donald Hunter <donald.hunter@gmail.com> Reviewed-by: Lukasz Luba <lukasz.luba@arm.com> Reviewed-by: Donald Hunter <donald.hunter@gmail.com> Signed-off-by: Changwoo Min <changwoo@igalia.com> Link: https://patch.msgid.link/20260108053212.642478-3-changwoo@igalia.com Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
||
|
Linus Torvalds
|
2bfe3e0da6 |
vfs-6.19-rc5.fixes
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCaWDTUAAKCRCRxhvAZXjc okDeAQDsEpgFy8hpD08HBs4TpUXv7MSRqwZS7emlsfUqEjeprwEAgu95YuJ+z6hV RFk/Lior/+YlB5FN5VcKzyQGMuRDUwc= =snsQ -----END PGP SIGNATURE----- Merge tag 'vfs-6.19-rc5.fixes' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs Pull vfs fixes from Christian Brauner: - Remove incorrect __user annotation from struct xattr_args::value - Documentation fix: Add missing kernel-doc description for the @isnew parameter in ilookup5_nowait() to silence Sphinx warnings - Documentation fix: Fix kernel-doc comment for __start_dirop() - the function name in the comment was wrong and the @state parameter was undocumented - Replace dynamic folio_batch allocation with stack allocation in iomap_zero_range(). The dynamic allocation was problematic for ext4-on-iomap work (didn't handle allocation failure properly) and triggered lockdep complaints. Uses a flag instead to control batch usage - Re-add #ifdef guards around PIDFD_GET_<ns-type>_NAMESPACE ioctls. When a namespace type is disabled, ns->ops is NULL, causes crashes during inode eviction when closing the fd. The ifdefs were removed in a recent simplification but are still needed - Fixe a race where a folio could be unlocked before the trailing zeros (for EOF within the page) were written - Split out a dedicated lease_dispose_list() helper since lease code paths always know they're disposing of leases. Removes unnecessary runtime flag checks and prepares for upcoming lease_manager enhancements - Fix userland delegation requests succeeding despite conflicting opens. Previously, FL_LAYOUT and FL_DELEG leases bypassed conflict checks (a hack for nfsd). Adds new ->lm_open_conflict() lease_manager operation so userland delegations get proper conflict checking while nfsd can continue its own conflict handling - Fix LOOKUP_CACHED path lookups incorrectly falling through to the slow path. After legitimize_links() calls were conditionally elided, the routine would always fail with LOOKUP_CACHED regardless of whether there were any links. Now the flag is checked at the two callsites before calling legitimize_links() - Fix bug in media fd allocation in media_request_alloc() - Fix mismatched API calls in ecryptfs_mknod(): was calling end_removing() instead of end_creating() after ecryptfs_start_creating_dentry() - Fix dentry reference count leak in ecryptfs_mkdir(): a dget() of the lower parent dir was added but never dput()'d, causing BUG during lower filesystem unmount due to the still-in-use dentry * tag 'vfs-6.19-rc5.fixes' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs: pidfs: protect PIDFD_GET_* ioctls() via ifdef ecryptfs: Release lower parent dentry after creating dir ecryptfs: Fix improper mknod pairing of start_creating()/end_removing() get rid of bogus __user in struct xattr_args::value VFS: fix __start_dirop() kernel-doc warnings fs: Describe @isnew parameter in ilookup5_nowait() fs: make sure to fail try_to_unlazy() and try_to_unlazy() for LOOKUP_CACHED netfs: Fix early read unlock of page with EOF in middle filelock: allow lease_managers to dictate what qualifies as a conflict filelock: add lease_dispose_list() helper iomap: replace folio_batch allocation with stack allocation media: mc: fix potential use-after-free in media_request_alloc() |
||
|
Linus Torvalds
|
f0b9d8eb98 |
nfsd-6.19 fixes:
A set of NFSD fixes that arrived after the 6.19 merge window. Issues that need expedient stable backports: - Remove an invalid NFS status code - Fix an fstests failure when using pNFS - Fix a UAF in v4_end_grace() - Fix the administrative interface used to revoke NFSv4 state - Fix a memory leak reported by syzbot -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEKLLlsBKG3yQ88j7+M2qzM29mf5cFAmlb2WUACgkQM2qzM29m f5cqaA/+MbO1kop63/TiNE0tRc34yTBnApg1XVza4vSmcpSgpB8ZKGZ5xOjnRpwg yBw9+/puEJhyogPE6JKEGnLiFr+s3ApInFHaxnXnrGZz1RR1qkqfioKudIcpC0s1 /pKx7y/fktltgo/5Dl0gp2QH3Oytg375ge+dcSQbopSTQYPbsAw7AmoHDPBQd8Nr Q/pIu1q/tAM8R2zyijU3eAiUMyYRCrxNVYnlsdYmj7Dn0ypybOyKufkpVCEaS3kO a7SV/QSVKdNbZOf8annwAhW+VN4urFmA9nnnr/yirrLJ0i2h18E0txrPFBszhftf xpOvaDR7okfEvzqwrHvVfRsqB4nYq9f0TSvvpPsS8vCtq34pWKZPa6iiSxeVL/jb EmFtiesUWClZzTIQSpUdbuU80cST6WEoNJJKDPZwF1XbA2navsDqgxKiYxsczjt6 M5SStHcafK5LrXPruqOhfco/uKTmHNJJlvBWxUGCMQEDvdXdEJ4MIlg8VxxvoWPR FQDwU+iSdPOwlG7L3Tl9/PGSNe0MxJSgvzK6JNoKL3LvDx80FtMErWxPJdqdIL0+ RpBsW7zaCyX9lwD866Frs4K2H1w2XFeQjOMI0Pz1SG9dZ8NoKJ+lzcwVY7GgHUvq NUNJLzL6MVCHytwTfqrSY7PGvUCrDqR102FQusQyplT4edcUv0M= =okQh -----END PGP SIGNATURE----- Merge tag 'nfsd-6.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux Pull nfsd fixes from Chuck Lever: "A set of NFSD fixes for stable that arrived after the merge window: - Remove an invalid NFS status code - Fix an fstests failure when using pNFS - Fix a UAF in v4_end_grace() - Fix the administrative interface used to revoke NFSv4 state - Fix a memory leak reported by syzbot" * tag 'nfsd-6.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: NFSD: net ref data still needs to be freed even if net hasn't startup nfsd: check that server is running in unlock_filesystem nfsd: use correct loop termination in nfsd4_revoke_states() nfsd: provide locking for v4_end_grace NFSD: Fix permission check for read access to executable-only files NFSD: Remove NFSERR_EAGAIN |
||
Jacopo Mondi
|
22cd0db47f |
media: uapi: mali-c55-config: Remove version identifier
The Mali C55 driver uses the v4l2-isp framework, which defines its own versioning number which does not need to be defined again in each platform-specific header. Remove the definition of mali_c55_param_buffer_version enumeration from the Mali C55 uAPI header. Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com> Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org> |
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|
Linus Torvalds
|
6ce4d44fb0 |
RDMA v6.19 first rc request
- Fix several syzkaller found bugs:
* Poor parsing of the RDMA_NL_LS_OP_IP_RESOLVE netlink
* GID entry refcount leaking when CM destruction races with multicast
establishment
* Missing refcount put in ib_del_sub_device_and_put()
- Fixup recently introduced uABI padding for 32 bit consistency
- Avoid user triggered math overflow in MANA and AFA
- Reading invalid netdev data during an event
- kdoc fixes
- Fix never-working gid copying in ib_get_gids_from_rdma_hdr
- Typo in bnxt when validating the BAR
- bnxt mis-parsed IB_SEND_IP_CSUM so it didn't work always
- bnxt out of bounds access in bnxt related to the counters on new devices
- Allocate the bnxt PDE table with the right sizing
- Use dma_free_coherent() correctly in bnxt
- Allow rxe to be unloadable when CONFIG_PROVE_LOCKING by adjusting the
tracking of the global sockets it uses
- Missing unlocking on error path in rxe
- Compute the right number of pages in a MR in rtrs
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
- Fix several syzkaller found bugs:
- Poor parsing of the RDMA_NL_LS_OP_IP_RESOLVE netlink
- GID entry refcount leaking when CM destruction races with
multicast establishment
- Missing refcount put in ib_del_sub_device_and_put()
- Fixup recently introduced uABI padding for 32 bit consistency
- Avoid user triggered math overflow in MANA and AFA
- Reading invalid netdev data during an event
- kdoc fixes
- Fix never-working gid copying in ib_get_gids_from_rdma_hdr
- Typo in bnxt when validating the BAR
- bnxt mis-parsed IB_SEND_IP_CSUM so it didn't work always
- bnxt out of bounds access in bnxt related to the counters on new
devices
- Allocate the bnxt PDE table with the right sizing
- Use dma_free_coherent() correctly in bnxt
- Allow rxe to be unloadable when CONFIG_PROVE_LOCKING by adjusting the
tracking of the global sockets it uses
- Missing unlocking on error path in rxe
- Compute the right number of pages in a MR in rtrs
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/bnxt_re: fix dma_free_coherent() pointer
RDMA/rtrs: Fix clt_path::max_pages_per_mr calculation
IB/rxe: Fix missing umem_odp->umem_mutex unlock on error path
RDMA/bnxt_re: Fix to use correct page size for PDE table
RDMA/bnxt_re: Fix OOB write in bnxt_re_copy_err_stats()
RDMA/bnxt_re: Fix IB_SEND_IP_CSUM handling in post_send
RDMA/core: always drop device refcount in ib_del_sub_device_and_put()
RDMA/rxe: let rxe_reclassify_recv_socket() call sk_owner_put()
RDMA/bnxt_re: Fix incorrect BAR check in bnxt_qplib_map_creq_db()
RDMA/core: Fix logic error in ib_get_gids_from_rdma_hdr()
RDMA/efa: Remove possible negative shift
RTRS/rtrs: clean up rtrs headers kernel-doc
RDMA/irdma: avoid invalid read in irdma_net_event
RDMA/mana_ib: check cqe length for kernel CQs
RDMA/irdma: Fix irdma_alloc_ucontext_resp padding
RDMA/ucma: Fix rdma_ucm_query_ib_service_resp struct padding
RDMA/cm: Fix leaking the multicast GID table reference
RDMA/core: Check for the presence of LS_NLA_TYPE_DGID correctly
|
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Chuck Lever
|
c6c209ceb8 |
NFSD: Remove NFSERR_EAGAIN
I haven't found an NFSERR_EAGAIN in RFCs 1094, 1813, 7530, or 8881. None of these RFCs have an NFS status code that match the numeric value "11". Based on the meaning of the EAGAIN errno, I presume the use of this status in NFSD means NFS4ERR_DELAY. So replace the one usage of nfserr_eagain, and remove it from NFSD's NFS status conversion tables. As far as I can tell, NFSERR_EAGAIN has existed since the pre-git era, but was not actually used by any code until commit |
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Al Viro
|
3dd57ddec9
|
get rid of bogus __user in struct xattr_args::value
The first member of struct xattr_args is declared as __aligned_u64 __user value; which makes no sense whatsoever; __user is a qualifier and what that declaration says is "all struct xattr_args instances have .value _stored_ in user address space, no matter where the rest of the structure happens to be". Something like "int __user *p" stands for "value of p is a pointer to an instance of int that happens to live in user address space"; it says nothing about location of p itself, just as const char *p declares a pointer to unmodifiable char rather than an unmodifiable pointer to char. With xattr_args the intent clearly had been "the 64bit value represents a _pointer_ to object in user address space", but __user has nothing to do with that. All it gets us is a couple of bogus warnings in fs/xattr.c where (userland) instance of xattr_args is copied to local variable of that type (in kernel address space), followed by access to its members. Since we've told sparse that args.value must somehow be located in userland memory, we get warned that looking at that 64bit unsigned integer (in a variable already on kernel stack) is not allowed. Note that sparse has no way to express "this integer shall never be cast into a pointer to be dereferenced directly" and I don't see any way to assign a sane semantics to that. In any case, __user is not it. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Link: https://patch.msgid.link/20251216081939.GQ1712166@ZenIV Signed-off-by: Christian Brauner <brauner@kernel.org> |
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Thomas Weißschuh
|
b61104e7a6
|
regulator: uapi: Use UAPI integer type
Using libc types and headers from the UAPI headers is problematic as it introduces a dependency on a full C toolchain. Use the fixed-width integer type provided by the UAPI headers instead. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Link: https://patch.msgid.link/20251222-uapi-regulator-v1-1-a71c66eb1a94@linutronix.de Signed-off-by: Mark Brown <broonie@kernel.org> |
||
|
Linus Torvalds
|
10a0e846d8 |
Input updates for v6.19-rc1
- a quirk for i8042 to better handle another TUXEDO model - a quirk to atkbd to handle incorcet behavior of HONOR FMB-P internal keyboard - a definition for a new ABS_SND_PROFILE event - fixes to alps and lkkbd drivers to reliably shut down pending work on removal - a fix to apple_z2 driver tightening input report parsing - a fix for "off-by-one" error when validating config in ti_am335x_tsc driver - addition of CRKD Guitars device IDs to xpad driver. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQST2eWILY88ieB2DOtAj56VGEWXnAUCaUeyQQAKCRBAj56VGEWX nDlZAQCLkGoaHMX6i6Wi2iQIKexRxlERp386vaa2nA4/La3L2wEA1Ce01Ve72v+k JyVplQCihOzAxDZ8+c2dGtLSwqR8fQY= =ycHD -----END PGP SIGNATURE----- Merge tag 'input-for-v6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input fixes from Dmitry Torokhov: - a quirk for i8042 to better handle another TUXEDO model - a quirk to atkbd to handle incorcet behavior of HONOR FMB-P internal keyboard - a definition for a new ABS_SND_PROFILE event - fixes to alps and lkkbd drivers to reliably shut down pending work on removal - a fix to apple_z2 driver tightening input report parsing - a fix for "off-by-one" error when validating config in ti_am335x_tsc driver - addition of CRKD Guitars device IDs to xpad driver. * tag 'input-for-v6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: ti_am335x_tsc - fix off-by-one error in wire_order validation Input: xpad - add support for CRKD Guitars Input: add ABS_SND_PROFILE Input: apple_z2 - fix reading incorrect reports after exiting sleep Input: alps - fix use-after-free bugs caused by dev3_register_work Input: i8042 - add TUXEDO InfinityBook Max Gen10 AMD to i8042 quirk table Input: atkbd - skip deactivate for HONOR FMB-P's internal keyboard Input: lkkbd - disable pending work before freeing device |
||
|
Linus Torvalds
|
a0bdd554a8 |
drm fixes for 6.19-rc2
core: - fix gem handle leak on DRM_IOCTL_GEM_CHANGE_HANDLE tests: - add EDEADLK handling amdgpu: - Fix no_console_suspend handling - DCN 3.5.x seamless boot fixes - DP audio fix - Fix race in GPU recovery - SMU 14 OD fix amdkfd: - Event fix xe: - Limit num_syncs to prevent oversized kernel allocations - Disallow 0 OA property values - Disallow 0 EU stall property values - Fix kobject leak - Workaround - Loop variable reference fix - Fix a CONFIG corner-case incorrect number of argument - Skip reason prefix while emitting array - VF migration fix - Fix context in mei interrupt top half - Don't include the CCS metadata in the dma-buf sg-table - VF queueing recovery work fix - Increase TDF timeout - GT reset registers vs scheduler ordering fix - Adjust long-running workload timeslices - Always set OA_OAGLBCTXCTRL_COUNTER_RESUME - Fix a return value - Drop preempt-fences when destroying imported dma-bufs - Use usleep_range for accurate long-running workload timeslicing amdxdna: - don't load virtualized panel: - fix visionox-rm69299 Kconfig dependency - sony-td4353-jdi probing fix -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAmlFqlQACgkQDHTzWXnE hr5XFw/6A8vKUK79YWbLcGLQpaLdFrReCQTXevyIxBglRMX44pvWpOCU9FBn2Dz6 inmPeUXYI0jlMdZTPNCx9G7RkvTU0nyJejQqkXt81IPO1/OTtUT/Z337fvzE1rWp clBsuJsrUoT4RdZM820MSev9LZCJlUC0X8blD9ReoE6NhWAjXFoPO6sg+Qt4CyKX u45jPTtm99RjbBhK4gC/kp/g5RYmpiobZNf6TXFKl7o7sw6r6Uo9XBcp7gB+t3Am VJ9khxqqBXe4lEf0ptIWY7agnuMSdByQ5XVaB+thGGNrsRdeATnmgNhw3IhszUnI 6zmwB12OFj8Xiozcid6MdtD4DqssRLiVuYoa4u8h0wJf0+ci85VOxv6AOE8p20Sg mthjqhG6neUK1nmZaB7E//xQwzW3OyoV2JoiH5nXCQp+q6J+1qVRO2btwlvEDU8y KcwMqoNvZC5HabEMiv5leT+LSDidWktma8SnZvN50zzYreTj2SYajtxgfn1iAJWX bTtCN2DRfhQDiqejWjQGrZfC0mqNGgs6bgz1bhGBi7PP8sDwjjt0OPSoK/SnVzxI p9A+tmE4Yi7dpkOb9mjiofdKlT1M/4nSa4LMRr4wGBIrBNLK6nUf89x0dP3KHwc+ UCzekRPPkRzAj6QwCOgrhtWKa56IERbG2ipkzs8Tl7ChwlJ/198= =HT2U -----END PGP SIGNATURE----- Merge tag 'drm-fixes-2025-12-20' of https://gitlab.freedesktop.org/drm/kernel Pull drm fixes from Dave Airlie: "rc2 fixes for the week, mostly xe, with amdgpu as usual. Then a smattering of small fixes across the core/tests/panel and amdxdna. I expect things will be quiet for rc3/4 as teams take a break, and I'm travelling but will keep an eye on things. core: - fix gem handle leak on DRM_IOCTL_GEM_CHANGE_HANDLE tests: - add EDEADLK handling amdgpu: - Fix no_console_suspend handling - DCN 3.5.x seamless boot fixes - DP audio fix - Fix race in GPU recovery - SMU 14 OD fix amdkfd: - Event fix xe: - Limit num_syncs to prevent oversized kernel allocations - Disallow 0 OA property values - Disallow 0 EU stall property values - Fix kobject leak - Workaround - Loop variable reference fix - Fix a CONFIG corner-case incorrect number of argument - Skip reason prefix while emitting array - VF migration fix - Fix context in mei interrupt top half - Don't include the CCS metadata in the dma-buf sg-table - VF queueing recovery work fix - Increase TDF timeout - GT reset registers vs scheduler ordering fix - Adjust long-running workload timeslices - Always set OA_OAGLBCTXCTRL_COUNTER_RESUME - Fix a return value - Drop preempt-fences when destroying imported dma-bufs - Use usleep_range for accurate long-running workload timeslicing amdxdna: - don't load virtualized panel: - fix visionox-rm69299 Kconfig dependency - sony-td4353-jdi probing fix" * tag 'drm-fixes-2025-12-20' of https://gitlab.freedesktop.org/drm/kernel: (34 commits) drm/xe: Use usleep_range for accurate long-running workload timeslicing drm/xe: Drop preempt-fences when destroying imported dma-bufs. drm/xe/eustall: Disallow 0 EU stall property values drm/xe/oa: Disallow 0 OA property values drm/xe/xe_sriov_vfio: Fix return value in xe_sriov_vfio_migration_supported() drm/xe/oa: Always set OAG_OAGLBCTXCTRL_COUNTER_RESUME drm/xe: Adjust long-running workload timeslices to reasonable values drm/xe/oa: Limit num_syncs to prevent oversized allocations drm/xe: Limit num_syncs to prevent oversized allocations drm/amdkfd: Fix improper NULL termination of queue restore SMI event string drm/amd/pm: restore SCLK settings after S0ix resume drm/amdgpu: fix a job->pasid access race in gpu recovery drm/amd/display: Fix DP no audio issue drm/amd/display: Fix scratch registers offsets for DCN351 drm/amd/display: Fix scratch registers offsets for DCN35 drm/amd: Resume the device in thaw() callback when console suspend is disabled drm/panel: visionox-rm69299: Depend on BACKLIGHT_CLASS_DEVICE accel/amdxdna: Block running under a hypervisor drm/panel: sony-td4353-jdi: Enable prepare_prev_first drm/xe: Restore engine registers before restarting schedulers after GT reset ... |
||
|
Linus Torvalds
|
d8ba32c5a4 |
block-6.19-20251218
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||
Gergo Koteles
|
733a892422 |
Input: add ABS_SND_PROFILE
ABS_SND_PROFILE used to describe the state of a multi-value sound profile switch. This will be used for the alert-slider on OnePlus phones or other phones. Profile values added as SND_PROFLE_(SILENT|VIBRATE|RING) identifiers to input-event-codes.h so they can be used from DTS. Signed-off-by: Gergo Koteles <soyer@irl.hu> Reviewed-by: Bjorn Andersson <andersson@kernel.org> Tested-by: Guido Günther <agx@sigxcpu.org> # oneplus,fajita & oneplus,enchilada Reviewed-by: Guido Günther <agx@sigxcpu.org> Signed-off-by: David Heidelberg <david@ixit.cz> Reviewed-by: Pavel Machek <pavel@ucw.cz> Link: https://patch.msgid.link/20251113-op6-tri-state-v8-1-54073f3874bc@ixit.cz Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> |
||
|
Linus Torvalds
|
7b8e9264f5 |
Including fixes from netfilter and CAN.
Current release - regressions:
- netfilter: nf_conncount: fix leaked ct in error paths
- sched: act_mirred: fix loop detection
- sctp: fix potential deadlock in sctp_clone_sock()
- can: fix build dependency
- eth: mlx5e: do not update BQL of old txqs during channel reconfiguration
Previous releases - regressions:
- sched: ets: always remove class from active list before deleting it
- inet: frags: flush pending skbs in fqdir_pre_exit()
- netfilter: nf_nat: remove bogus direction check
- mptcp:
- schedule rtx timer only after pushing data
- avoid deadlock on fallback while reinjecting
- can: gs_usb: fix error handling
- eth: mlx5e:
- avoid unregistering PSP twice
- fix double unregister of HCA_PORTS component
- eth: bnxt_en: fix XDP_TX path
- eth: mlxsw: fix use-after-free when updating multicast route stats
Previous releases - always broken:
- ethtool: avoid overflowing userspace buffer on stats query
- openvswitch: fix middle attribute validation in push_nsh() action
- eth: mlx5: fw_tracer, validate format string parameters
- eth: mlxsw: spectrum_router: fix neighbour use-after-free
- eth: ipvlan: ignore PACKET_LOOPBACK in handle_mode_l2()
Misc:
- Jozsef Kadlecsik retires from maintaining netfilter
- tools: ynl: fix build on systems with old kernel headers
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.19-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from netfilter and CAN.
Current release - regressions:
- netfilter: nf_conncount: fix leaked ct in error paths
- sched: act_mirred: fix loop detection
- sctp: fix potential deadlock in sctp_clone_sock()
- can: fix build dependency
- eth: mlx5e: do not update BQL of old txqs during channel
reconfiguration
Previous releases - regressions:
- sched: ets: always remove class from active list before deleting it
- inet: frags: flush pending skbs in fqdir_pre_exit()
- netfilter: nf_nat: remove bogus direction check
- mptcp:
- schedule rtx timer only after pushing data
- avoid deadlock on fallback while reinjecting
- can: gs_usb: fix error handling
- eth:
- mlx5e:
- avoid unregistering PSP twice
- fix double unregister of HCA_PORTS component
- bnxt_en: fix XDP_TX path
- mlxsw: fix use-after-free when updating multicast route stats
Previous releases - always broken:
- ethtool: avoid overflowing userspace buffer on stats query
- openvswitch: fix middle attribute validation in push_nsh() action
- eth:
- mlx5: fw_tracer, validate format string parameters
- mlxsw: spectrum_router: fix neighbour use-after-free
- ipvlan: ignore PACKET_LOOPBACK in handle_mode_l2()
Misc:
- Jozsef Kadlecsik retires from maintaining netfilter
- tools: ynl: fix build on systems with old kernel headers"
* tag 'net-6.19-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (83 commits)
net: hns3: add VLAN id validation before using
net: hns3: using the num_tqps to check whether tqp_index is out of range when vf get ring info from mbx
net: hns3: using the num_tqps in the vf driver to apply for resources
net: enetc: do not transmit redirected XDP frames when the link is down
selftests/tc-testing: Test case exercising potential mirred redirect deadlock
net/sched: act_mirred: fix loop detection
sctp: Clear inet_opt in sctp_v6_copy_ip_options().
sctp: Fetch inet6_sk() after setting ->pinet6 in sctp_clone_sock().
net/handshake: duplicate handshake cancellations leak socket
net/mlx5e: Don't include PSP in the hard MTU calculations
net/mlx5e: Do not update BQL of old txqs during channel reconfiguration
net/mlx5e: Trigger neighbor resolution for unresolved destinations
net/mlx5e: Use ip6_dst_lookup instead of ipv6_dst_lookup_flow for MAC init
net/mlx5: Serialize firmware reset with devlink
net/mlx5: fw_tracer, Handle escaped percent properly
net/mlx5: fw_tracer, Validate format string parameters
net/mlx5: Drain firmware reset in shutdown callback
net/mlx5: fw reset, clear reset requested on drain_fw_reset
net: dsa: mxl-gsw1xx: manually clear RANEG bit
net: dsa: mxl-gsw1xx: fix .shutdown driver operation
...
|
||
Shuicheng Lin
|
8e46130400 |
drm/xe: Limit num_syncs to prevent oversized allocations
The exec and vm_bind ioctl allow userspace to specify an arbitrary num_syncs value. Without bounds checking, a very large num_syncs can force an excessively large allocation, leading to kernel warnings from the page allocator as below. Introduce DRM_XE_MAX_SYNCS (set to 1024) and reject any request exceeding this limit. " ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1217 at mm/page_alloc.c:5124 __alloc_frozen_pages_noprof+0x2f8/0x2180 mm/page_alloc.c:5124 ... Call Trace: <TASK> alloc_pages_mpol+0xe4/0x330 mm/mempolicy.c:2416 ___kmalloc_large_node+0xd8/0x110 mm/slub.c:4317 __kmalloc_large_node_noprof+0x18/0xe0 mm/slub.c:4348 __do_kmalloc_node mm/slub.c:4364 [inline] __kmalloc_noprof+0x3d4/0x4b0 mm/slub.c:4388 kmalloc_noprof include/linux/slab.h:909 [inline] kmalloc_array_noprof include/linux/slab.h:948 [inline] xe_exec_ioctl+0xa47/0x1e70 drivers/gpu/drm/xe/xe_exec.c:158 drm_ioctl_kernel+0x1f1/0x3e0 drivers/gpu/drm/drm_ioctl.c:797 drm_ioctl+0x5e7/0xc50 drivers/gpu/drm/drm_ioctl.c:894 xe_drm_ioctl+0x10b/0x170 drivers/gpu/drm/xe/xe_device.c:224 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:598 [inline] __se_sys_ioctl fs/ioctl.c:584 [inline] __x64_sys_ioctl+0x18b/0x210 fs/ioctl.c:584 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xbb/0x380 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f ... " v2: Add "Reported-by" and Cc stable kernels. v3: Change XE_MAX_SYNCS from 64 to 1024. (Matt & Ashutosh) v4: s/XE_MAX_SYNCS/DRM_XE_MAX_SYNCS/ (Matt) v5: Do the check at the top of the exec func. (Matt) Fixes: |
||
Deepanshu Kartikey
|
a58383fa45 |
block: add allocation size check in blkdev_pr_read_keys()
blkdev_pr_read_keys() takes num_keys from userspace and uses it to
calculate the allocation size for keys_info via struct_size(). While
there is a check for SIZE_MAX (integer overflow), there is no upper
bound validation on the allocation size itself.
A malicious or buggy userspace can pass a large num_keys value that
doesn't trigger overflow but still results in an excessive allocation
attempt, causing a warning in the page allocator when the order exceeds
MAX_PAGE_ORDER.
Fix this by introducing PR_KEYS_MAX to limit the number of keys to
a sane value. This makes the SIZE_MAX check redundant, so remove it.
Also switch to kvzalloc/kvfree to handle larger allocations gracefully.
Fixes:
|
||
|
Arnd Bergmann
|
d95e99a74e |
RDMA/irdma: Fix irdma_alloc_ucontext_resp padding
A recent commit modified struct irdma_alloc_ucontext_resp by adding a
member with implicit padding in front of it, though this does not change
the offset of the data members other than m68k. Reported by
scripts/check-uapi.sh:
==== ABI differences detected in include/rdma/irdma-abi.h from 1dd7bde2e91c -> HEAD ====
[C] 'struct irdma_alloc_ucontext_resp' changed:
type size changed from 704 to 640 (in bits)
1 data member deletion:
'__u8 rsvd3[2]', at offset 640 (in bits) at irdma-abi.h:61:1
1 data member insertion:
'__u8 revd3[2]', at offset 592 (in bits) at irdma-abi.h:60:1
Change the size back to the previous version, and remove the implicit
padding by making it explicit and matching what x86-64 would do by placing
max_hw_srq_quanta member into a naturally aligned location.
Fixes:
|
||
|
Arnd Bergmann
|
2dc675f614 |
RDMA/ucma: Fix rdma_ucm_query_ib_service_resp struct padding
On a few 32-bit architectures, the newly added ib_user_service_rec
structure is not 64-bit aligned the way it is on most regular ones.
Add explicit padding into the rdma_ucm_query_ib_service_resp and
rdma_ucm_resolve_ib_service structures that embed it, so that the layout
is compatible across all of them.
This is an ABI change on i386, aligning it with x86_64 and the other
64-bit architectures to avoid having to use a compat ioctl handler.
Fixes:
|
||
|
Linus Torvalds
|
7f3c8f9191 |
sound fixes for 6.19-rc1
The rest for 6.19 merge window. The only slightly large change is
the enablement of CIX HD-audio controller, which took a bit time to
be cooked up, while most of other changes are device-specific small
trivial fixes.
- Default disablement of the kconfig for decades old pre-release
alsa-lib PCM API; it's only the default config value change, so
it can't lead to any regressions for the existing setups
- Support for CIX HD-audio controller
- A few ASoC ACP fixes
- Fixes for ASoC cirrus, bcm, wcd, qcom, ak platforms
- Trivial hardening for FireWire and USB-audio
- HD-audio Intel binding fix and quirks
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Merge tag 'sound-fix-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"The only slightly large change is the enablement of CIX HD-audio
controller, which took a bit time to be cooked up, while most of other
changes are device-specific small trivial fixes:
- Default disablement of the kconfig for decades old pre-release
alsa-lib PCM API; it's only the default config value change, so it
can't lead to any regressions for the existing setups
- Support for CIX HD-audio controller
- A few ASoC ACP fixes
- Fixes for ASoC cirrus, bcm, wcd, qcom, ak platforms
- Trivial hardening for FireWire and USB-audio
- HD-audio Intel binding fix and quirks"
* tag 'sound-fix-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (30 commits)
ALSA: hda/tas2781: Add new quirk for HP new project
ALSA: hda: cix-ipbloq: Use modern PM ops
ALSA: hda: intel-dsp-config: Prefer legacy driver as fallback
ASoC: amd: acp: update tdm channels for specific DAI
ASoC: cs35l56: Fix incorrect select SND_SOC_CS35L56_CAL_SYSFS_COMMON
ALSA: firewire-motu: add bounds check in put_user loop for DSP events
ASoC: cs35l41: Always return 0 when a subsystem ID is found
ALSA: uapi: Fix typo in asound.h comment
ALSA: Do not build obsolete API
ALSA: hda: add CIX IPBLOQ HDA controller support
ALSA: hda/core: add addr_offset field for bus address translation
ALSA: hda: dt-bindings: add CIX IPBLOQ HDA controller support
ALSA: hda/realtek: Add support for ASUS UM3406GA
ALSA: hda/realtek: Add support for HP Turbine Laptops
ALSA: usb-audio: Initialize status1 to fix uninitialized symbol errors
ALSA: firewire-motu: fix buffer overflow in hwdep read for DSP events
ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_hda_read_acpi()
ASoC: cros_ec_codec: Remove unnecessary selection of CRYPTO
ASoc: qcom: q6afe: fix bad guard conversion
ASoC: rockchip: Fix Wvoid-pointer-to-enum-cast warning (again)
...
|
||
|
Linus Torvalds
|
c9b47175e9 |
i2c-for-6.19-rc1
- general cleanups in bcm2835, designware, pcf8584, and stm32 - amd-mp2: fix device refcount - designware: avoid interrupt storms caused by bad firmware - spacemit: fix device detection failures - new devices: Intel Diamond Rapids, Rockchip RK3506, Qualcomm Kaanapali and MSM8953 - minor fixes to i801, core documentation, elektor Kconfig dependencies at24 updates: - add new compatible for Belling BL24S64 -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmk4MacACgkQFA3kzBSg KbajAw/8CMDDB6ENq8aqnRqWCWEcjxcklIJi/6aDsnpUJr7jzf98hmrhlFzYQLqu iR6YMo9tt3eGTtv+CDAAABLIqQM5ivx155YSfw8tmfB7OZHpe8hTp72+aNJtJqup Rp8vu0vIbdcITE6ohxxJHi+DuBghq3CuZIxridx+ApV3JiuEQlqivvkZS2kz7hS6 wYaUQWh8fc33HUY05jR1oJPoOyf2LkjNqcwSY3LF70GgiQ4TpMFOwWmKIsoW4u+/ +i15bI8Vp5Q+DQ/Eu5GgDsSs188BGIY/Ydie50DB229ByetpCUrkjGN3MM8YMAP6 TJHQtl7a6/zfgU5NCEWKKS1Pf1Pd5cVR8TvZcJ7tFiKCSU5het8QAIYtPqJ3ziJs WjRBAnkV6c5NVVzWuGx3wx/5NBQk1S5KLMGmjKqfHHRDdMGLnQYtXtf+rhOw0e+Y UjF6xG6JBtKYgbBe7vtJIFGcHXBS2yDePgRCKsmB81BpSC2Eb45Z+Dk7IcjUnTSL EqyEFs7lQArh+TMMEuxHfccp/L4um5hvC0WOY6nf5hOrV4H+wAbfpLU8mMtlUhr2 yrxUFskzOCOjsxixwAtYX90wNhYRMUut0hJvW2ezD75JgFxlHJXUUtOjoyiO2weW jws5lXJHRiI77SHBoSLlr2j5W/K1rjvu1VTgis2Jv68ceTTU6pc= =+PBF -----END PGP SIGNATURE----- Merge tag 'i2c-for-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c updates from Wolfram Sang: - general cleanups in bcm2835, designware, pcf8584, and stm32 - amd-mp2: fix device refcount - designware: avoid interrupt storms caused by bad firmware - spacemit: fix device detection failures - new devices: Intel Diamond Rapids, Rockchip RK3506, Qualcomm Kaanapali and MSM8953 - minor fixes to i801, core documentation, elektor Kconfig dependencies - at24 updates: add new compatible for Belling BL24S64 * tag 'i2c-for-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (21 commits) i2c: qcom-cci: Add msm8953 compatible i2c: spacemit: fix detect issue i2c: amd-mp2: fix reference leak in MP2 PCI device i2c: i2c.h: fix a bad kernel-doc line i2c: i2c-elektor: Allow building on SMP kernels dt-bindings: i2c: qcom-cci: Document Kaanapali compatible dt-bindings: i2c: qcom-cci: Document msm8953 compatible dt-bindings: eeprom: at24: Add compatible for Belling BL24S64 i2c: i801: Fix the Intel Diamond Rapids features i2c: pcf8584: Change pcf_doAdress() to pcf_send_address() i2c: pcf8584: Make pcf_doAddress() function void i2c: pcf8584: Move 'ret' variable inside for loop, goto out if ret < 0. i2c: designware: Disable SMBus interrupts to prevent storms from mis-configured firmware dt-bindings: i2c: i2c-rk3x: Add compatible string for RK3506 i2c: i801: Add support for Intel Diamond Rapids i2c: stm32: Omit two variable reassignments in stm32_i2c_dma_request() i2c: designware: Omit a variable reassignment in dw_i2c_plat_probe() i2c: pcf8584: Fix do not use assignment inside if conditional i2c: pcf8584: Remove debug macros from i2c-algo-pcf.c i2c: busses: bcm2835: convert from round_rate() to determine_rate() ... |
||
Matthieu Baerts (NGI0)
|
0ace3297a7 |
mptcp: pm: ignore unknown endpoint flags
Before this patch, the kernel was saving any flags set by the userspace,
even unknown ones. This doesn't cause critical issues because the kernel
is only looking at specific ones. But on the other hand, endpoints dumps
could tell the userspace some recent flags seem to be supported on older
kernel versions.
Instead, ignore all unknown flags when parsing them. By doing that, the
userspace can continue to set unsupported flags, but it has a way to
verify what is supported by the kernel.
Note that it sounds better to continue accepting unsupported flags not
to change the behaviour, but also that eases things on the userspace
side by adding "optional" endpoint types only supported by newer kernel
versions without having to deal with the different kernel versions.
A note for the backports: there will be conflicts in mptcp.h on older
versions not having the mentioned flags, the new line should still be
added last, and the '5' needs to be adapted to have the same value as
the last entry.
Fixes:
|
||
|
Jakub Kicinski
|
e56cadaa27 |
ynl: add regen hint to new headers
Recent commit
|
||
|
Linus Torvalds
|
4482ebb297 |
block-6.19-20251208
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Merge tag 'block-6.19-20251208' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block updates from Jens Axboe:
"Followup set of fixes and updates for block for the 6.19 merge window.
NVMe had some late minute debates which lead to dropping some patches
from that tree, which is why the initial PR didn't have NVMe included.
It's here now. This pull request contains:
- NVMe pull request via Keith:
- Subsystem usage cleanups (Max)
- Endpoint device fixes (Shin'ichiro)
- Debug statements (Gerd)
- FC fabrics cleanups and fixes (Daniel)
- Consistent alloc API usages (Israel)
- Code comment updates (Chu)
- Authentication retry fix (Justin)
- Fix a memory leak in the discard ioctl code, if the task is being
interrupted by a signal at just the wrong time
- Zoned write plugging fixes
- Add ioctls for for persistent reservations
- Enable per-cpu bio caching by default
- Various little fixes and tweaks"
* tag 'block-6.19-20251208' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux: (27 commits)
nvme-fabrics: add ENOKEY to no retry criteria for authentication failures
nvme-auth: use kvfree() for memory allocated with kvcalloc()
nvmet-tcp: use kvcalloc for commands array
nvmet-rdma: use kvcalloc for commands and responses arrays
nvme: fix typo error in nvme target
nvmet-fc: use pr_* print macros instead of dev_*
nvmet-fcloop: remove unused lsdir member.
nvmet-fcloop: check all request and response have been processed
nvme-fc: check all request and response have been processed
block: fix memory leak in __blkdev_issue_zero_pages
block: fix comment for op_is_zone_mgmt() to include RESET_ALL
block: Clear BLK_ZONE_WPLUG_PLUGGED when aborting plugged BIOs
blk-mq: Abort suspend when wakeup events are pending
blk-mq: add blk_rq_nr_bvec() helper
block: add IOC_PR_READ_RESERVATION ioctl
block: add IOC_PR_READ_KEYS ioctl
nvme: reject invalid pr_read_keys() num_keys values
scsi: sd: reject invalid pr_read_keys() num_keys values
block: enable per-cpu bio cache by default
block: use bio_alloc_bioset for passthru IO by default
...
|
||
|
Linus Torvalds
|
feb06d2690 |
hyperv-next for v6.19
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Merge tag 'hyperv-next-signed-20251207' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyperv updates from Wei Liu:
- Enhancements to Linux as the root partition for Microsoft Hypervisor:
- Support a new mode called L1VH, which allows Linux to drive the
hypervisor running the Azure Host directly
- Support for MSHV crash dump collection
- Allow Linux's memory management subsystem to better manage guest
memory regions
- Fix issues that prevented a clean shutdown of the whole system on
bare metal and nested configurations
- ARM64 support for the MSHV driver
- Various other bug fixes and cleanups
- Add support for Confidential VMBus for Linux guest on Hyper-V
- Secure AVIC support for Linux guests on Hyper-V
- Add the mshv_vtl driver to allow Linux to run as the secure kernel in
a higher virtual trust level for Hyper-V
* tag 'hyperv-next-signed-20251207' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: (58 commits)
mshv: Cleanly shutdown root partition with MSHV
mshv: Use reboot notifier to configure sleep state
mshv: Add definitions for MSHV sleep state configuration
mshv: Add support for movable memory regions
mshv: Add refcount and locking to mem regions
mshv: Fix huge page handling in memory region traversal
mshv: Move region management to mshv_regions.c
mshv: Centralize guest memory region destruction
mshv: Refactor and rename memory region handling functions
mshv: adjust interrupt control structure for ARM64
Drivers: hv: use kmalloc_array() instead of kmalloc()
mshv: Add ioctl for self targeted passthrough hvcalls
Drivers: hv: Introduce mshv_vtl driver
Drivers: hv: Export some symbols for mshv_vtl
static_call: allow using STATIC_CALL_TRAMP_STR() from assembly
mshv: Extend create partition ioctl to support cpu features
mshv: Allow mappings that overlap in uaddr
mshv: Fix create memory region overlap check
mshv: add WQ_PERCPU to alloc_workqueue users
Drivers: hv: Use kmalloc_array() instead of kmalloc()
...
|
||
Andres J Rosa
|
9a97857db0 |
ALSA: uapi: Fix typo in asound.h comment
Fix 'level-shit' to 'level-shift' in struct snd_cea_861_aud_if comment.
Fixes:
|
||
|
Linus Torvalds
|
37bb2e7217 |
Staging driver updates for 6.19-rc1
Here is the big set of staging driver updates for 6.19-rc1. Only thing "major" in here is that two subsystems, gpib and vc04 have moved out of the staging tree into the "real" portion of the kernel, which is great to see. Other than that, the rest of the changes are just tiny coding style cleanups, nothing earth-shattering. All of these have been in linux-next for a while with no reported problems. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCaTTPBw8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ylolwCgkT8lVXb5FVjqF9qploVy4HprpigAn2kKHhAc wc9RtBK9a+AEsC6dRvSh =E/yw -----END PGP SIGNATURE----- Merge tag 'staging-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging driver updates from Greg KH: "Here is the big set of staging driver updates for 6.19-rc1. Only thing "major" in here is that two subsystems, gpib and vc04 have moved out of the staging tree into the "real" portion of the kernel, which is great to see. Other than that, the rest of the changes are just tiny coding style cleanups, nothing earth-shattering. All of these have been in linux-next for a while with no reported problems" * tag 'staging-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (53 commits) staging: rtl8723bs: fix out-of-bounds read in OnBeacon ESR IE parsing staging: rtl8723bs: fix stack buffer overflow in OnAssocReq IE parsing staging: rtl8723bs: fix out-of-bounds read in rtw_get_ie() parser staging: gpib: Clean-up commented-out code staging: rtl8723bs: remove custom FIELD_OFFSET macro staging: rtl8723bs: replace FIELD_OFFSET usage with offsetof in rtw_mlme_ext.c staging: rtl8723bs: remove dead commented code from odm.c staging: rtl8723bs: use standard offsetof in cfg80211 operations staging: rtl8723bs: remove unused registry and BSSID offset macros staging: rtl8723bs: core: delete commented-out code staging: rtl8723bs: core: fix block comment style issues staging: greybus: uart: check return values during probe staging: fbtft: core: fix potential memory leak in fbtft_probe_common() staging: gpib: Destage gpib staging: gpib: Fix SPDX license for gpib headers staging: gpib: Update TODO file staging: gpib: Change // comments in uapi header file platform/raspberrypi: Destage VCHIQ MMAL driver platform/raspberrypi: Destage VCHIQ interface staging: vc04_services: Cleanup VCHIQ TODO entries ... |
||
|
Linus Torvalds
|
f5e9d31e79 |
USB/Thunderbolt changes for 6.19-rc1
Here is the big set of USB and Thunderbolt driver updates for 6.19-rc1. Nothing major here, just lots of tiny updates for most of the common USB drivers. Included in here are: - more xhci driver updates and fixes - Thunderbolt driver cleanups - usb serial driver updates - typec driver updates - USB tracepoint additions - dwc3 driver updates, including support for Apple hardware - lots of other smaller driver updates and cleanups All of these have been in linux-next for a while with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCaTTLNQ8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+yn29wCcD23xCSWuRIKHfSWlefCwptHKT0AAoM0NJdeO C4/4pui5ifTu1g5Vud1r =Sm/3 -----END PGP SIGNATURE----- Merge tag 'usb-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB/Thunderbolt updates from Greg KH: "Here is the big set of USB and Thunderbolt driver updates for 6.19-rc1. Nothing major here, just lots of tiny updates for most of the common USB drivers. Included in here are: - more xhci driver updates and fixes - Thunderbolt driver cleanups - usb serial driver updates - typec driver updates - USB tracepoint additions - dwc3 driver updates, including support for Apple hardware - lots of other smaller driver updates and cleanups All of these have been in linux-next for a while with no reported issues" * tag 'usb-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (161 commits) usb: gadget: tegra-xudc: Always reinitialize data toggle when clear halt USB: serial: option: move Telit 0x10c7 composition in the right place USB: serial: option: add Telit Cinterion FE910C04 new compositions usb: typec: ucsi: fix use-after-free caused by uec->work usb: typec: ucsi: fix probe failure in gaokun_ucsi_probe() usb: dwc3: core: Remove redundant comment in core init usb: phy: Initialize struct usb_phy list_head USB: serial: option: add Foxconn T99W760 usb: usb-storage: No additional quirks need to be added to the EL-R12 optical drive. usb: typec: hd3ss3220: Enable VBUS based on ID pin state dt-bindings: usb: ti,hd3ss3220: Add support for VBUS based on ID state usb: typec: anx7411: add WQ_PERCPU to alloc_workqueue users USB: add WQ_PERCPU to alloc_workqueue users dt-bindings: usb: dwc3-xilinx: Describe the reset constraint for the versal platform drivers/usb/storage: use min() instead of min_t() usb: raw-gadget: cap raw_io transfer length to KMALLOC_MAX_SIZE usb: ohci-da8xx: remove unused platform data usb: gadget: functionfs: use dma_buf_unmap_attachment_unlocked() helper usb: uas: reduce time under spinlock usb: dwc3: eic7700: Add EIC7700 USB driver ... |
||
|
Linus Torvalds
|
83bd89291f |
Char/Misc/IIO driver updates for 6.19-rc1
Here is the big set of char/misc/iio driver updates for 6.19-rc1. Lots
of stuff in here including:
- lots of IIO driver updates, cleanups, and additions.
- large interconnect driver changes as they get converted over to a
dynamic system of ids
- coresight driver updates
- mwave driver updates
- binder driver updates and changes
- comedi driver fixes now that the fuzzers are being set loose on them
- nvmem driver updates
- new uio driver addition
- lots of other small char/misc driver updates, full details in the
shortlog
All of these have been in linux-next for a while now, with no reported
issues other than a merge conflict with your tree that should be trivial
to handle (take both sides).
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc/IIO driver updates from Greg KH:
"Here is the big set of char/misc/iio driver updates for 6.19-rc1. Lots
of stuff in here including:
- lots of IIO driver updates, cleanups, and additions
- large interconnect driver changes as they get converted over to a
dynamic system of ids
- coresight driver updates
- mwave driver updates
- binder driver updates and changes
- comedi driver fixes now that the fuzzers are being set loose on
them
- nvmem driver updates
- new uio driver addition
- lots of other small char/misc driver updates, full details in the
shortlog
All of these have been in linux-next for a while now"
* tag 'char-misc-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (304 commits)
char: applicom: fix NULL pointer dereference in ac_ioctl
hangcheck-timer: fix coding style spacing
hangcheck-timer: Replace %Ld with %lld
hangcheck-timer: replace printk(KERN_CRIT) with pr_crit
uio: Add SVA support for PCI devices via uio_pci_generic_sva.c
dt-bindings: slimbus: fix warning from example
intel_th: Fix error handling in intel_th_output_open
misc: rp1: Fix an error handling path in rp1_probe()
char: xillybus: add WQ_UNBOUND to alloc_workqueue users
misc: bh1770glc: use pm_runtime_resume_and_get() in power_state_store
misc: cb710: Fix a NULL vs IS_ERR() check in probe()
mux: mmio: Add suspend and resume support
virt: acrn: split acrn_mmio_dev_res out of acrn_mmiodev
greybus: gb-beagleplay: Fix timeout handling in bootloader functions
greybus: add WQ_PERCPU to alloc_workqueue users
char/mwave: drop typedefs
char/mwave: drop printk wrapper
char/mwave: remove printk tracing
char/mwave: remove unneeded fops
char/mwave: remove MWAVE_FUTZ_WITH_OTHER_DEVICES ifdeffery
...
|
||
|
Linus Torvalds
|
509d3f4584 |
Significant patch series in this pull request:
- The 6 patch series "panic: sys_info: Refactor and fix a potential
issue" from Andy Shevchenko fixes a build issue and does some cleanup in
ib/sys_info.c.
- The 9 patch series "Implement mul_u64_u64_div_u64_roundup()" from
David Laight enhances the 64-bit math code on behalf of a PWM driver and
beefs up the test module for these library functions.
- The 2 patch series "scripts/gdb/symbols: make BPF debug info available
to GDB" from Ilya Leoshkevich makes BPF symbol names, sizes, and line
numbers available to the GDB debugger.
- The 4 patch series "Enable hung_task and lockup cases to dump system
info on demand" from Feng Tang adds a sysctl which can be used to cause
additional info dumping when the hung-task and lockup detectors fire.
- The 6 patch series "lib/base64: add generic encoder/decoder, migrate
users" from Kuan-Wei Chiu adds a general base64 encoder/decoder to lib/
and migrates several users away from their private implementations.
- The 2 patch series "rbree: inline rb_first() and rb_last()" from Eric
Dumazet makes TCP a little faster.
- The 9 patch series "liveupdate: Rework KHO for in-kernel users" from
Pasha Tatashin reworks the KEXEC Handover interfaces in preparation for
Live Update Orchestrator (LUO), and possibly for other future clients.
- The 13 patch series "kho: simplify state machine and enable dynamic
updates" from Pasha Tatashin increases the flexibility of KEXEC
Handover. Also preparation for LUO.
- The 18 patch series "Live Update Orchestrator" from Pasha Tatashin is
a major new feature targeted at cloud environments. Quoting the [0/N]:
This series introduces the Live Update Orchestrator, a kernel subsystem
designed to facilitate live kernel updates using a kexec-based reboot.
This capability is critical for cloud environments, allowing hypervisors
to be updated with minimal downtime for running virtual machines. LUO
achieves this by preserving the state of selected resources, such as
memory, devices and their dependencies, across the kernel transition.
As a key feature, this series includes support for preserving memfd file
descriptors, which allows critical in-memory data, such as guest RAM or
any other large memory region, to be maintained in RAM across the kexec
reboot.
Mike Rappaport merits a mention here, for his extensive review and
testing work.
- The 3 patch series "kexec: reorganize kexec and kdump sysfs" from
Sourabh Jain moves the kexec and kdump sysfs entries from /sys/kernel/
to /sys/kernel/kexec/ and adds back-compatibility symlinks which can
hopefully be removed one day.
- The 2 patch series "kho: fixes for vmalloc restoration" from Mike
Rapoport fixes a BUG which was being hit during KHO restoration of
vmalloc() regions.
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Merge tag 'mm-nonmm-stable-2025-12-06-11-14' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull non-MM updates from Andrew Morton:
- "panic: sys_info: Refactor and fix a potential issue" (Andy Shevchenko)
fixes a build issue and does some cleanup in ib/sys_info.c
- "Implement mul_u64_u64_div_u64_roundup()" (David Laight)
enhances the 64-bit math code on behalf of a PWM driver and beefs up
the test module for these library functions
- "scripts/gdb/symbols: make BPF debug info available to GDB" (Ilya Leoshkevich)
makes BPF symbol names, sizes, and line numbers available to the GDB
debugger
- "Enable hung_task and lockup cases to dump system info on demand" (Feng Tang)
adds a sysctl which can be used to cause additional info dumping when
the hung-task and lockup detectors fire
- "lib/base64: add generic encoder/decoder, migrate users" (Kuan-Wei Chiu)
adds a general base64 encoder/decoder to lib/ and migrates several
users away from their private implementations
- "rbree: inline rb_first() and rb_last()" (Eric Dumazet)
makes TCP a little faster
- "liveupdate: Rework KHO for in-kernel users" (Pasha Tatashin)
reworks the KEXEC Handover interfaces in preparation for Live Update
Orchestrator (LUO), and possibly for other future clients
- "kho: simplify state machine and enable dynamic updates" (Pasha Tatashin)
increases the flexibility of KEXEC Handover. Also preparation for LUO
- "Live Update Orchestrator" (Pasha Tatashin)
is a major new feature targeted at cloud environments. Quoting the
cover letter:
This series introduces the Live Update Orchestrator, a kernel
subsystem designed to facilitate live kernel updates using a
kexec-based reboot. This capability is critical for cloud
environments, allowing hypervisors to be updated with minimal
downtime for running virtual machines. LUO achieves this by
preserving the state of selected resources, such as memory,
devices and their dependencies, across the kernel transition.
As a key feature, this series includes support for preserving
memfd file descriptors, which allows critical in-memory data, such
as guest RAM or any other large memory region, to be maintained in
RAM across the kexec reboot.
Mike Rappaport merits a mention here, for his extensive review and
testing work.
- "kexec: reorganize kexec and kdump sysfs" (Sourabh Jain)
moves the kexec and kdump sysfs entries from /sys/kernel/ to
/sys/kernel/kexec/ and adds back-compatibility symlinks which can
hopefully be removed one day
- "kho: fixes for vmalloc restoration" (Mike Rapoport)
fixes a BUG which was being hit during KHO restoration of vmalloc()
regions
* tag 'mm-nonmm-stable-2025-12-06-11-14' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (139 commits)
calibrate: update header inclusion
Reinstate "resource: avoid unnecessary lookups in find_next_iomem_res()"
vmcoreinfo: track and log recoverable hardware errors
kho: fix restoring of contiguous ranges of order-0 pages
kho: kho_restore_vmalloc: fix initialization of pages array
MAINTAINERS: TPM DEVICE DRIVER: update the W-tag
init: replace simple_strtoul with kstrtoul to improve lpj_setup
KHO: fix boot failure due to kmemleak access to non-PRESENT pages
Documentation/ABI: new kexec and kdump sysfs interface
Documentation/ABI: mark old kexec sysfs deprecated
kexec: move sysfs entries to /sys/kernel/kexec
test_kho: always print restore status
kho: free chunks using free_page() instead of kfree()
selftests/liveupdate: add kexec test for multiple and empty sessions
selftests/liveupdate: add simple kexec-based selftest for LUO
selftests/liveupdate: add userspace API selftests
docs: add documentation for memfd preservation via LUO
mm: memfd_luo: allow preserving memfd
liveupdate: luo_file: add private argument to store runtime state
mm: shmem: export some functions to internal.h
...
|
||
|
Linus Torvalds
|
249872f53d |
tsm for 6.19
- Introduce the PCI/TSM core for the coordination of device
authentication, link encryption and establishment (IDE), and later
management of the device security operational states (TDISP). Notify
the new TSM core layer of PCI device arrival and departure.
- Add a low level TSM driver for the link encryption establishment
capabilities of the AMD SEV-TIO architecture.
- Add a library of helpers TSM drivers to use for IDE establishment and
the DOE transport.
- Add skeleton support for 'bind' and 'guest_request' operations in
support of TDISP.
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Merge tag 'tsm-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/devsec/tsm
Pull PCIe Link Encryption and Device Authentication from Dan Williams:
"New PCI infrastructure and one architecture implementation for PCIe
link encryption establishment via platform firmware services.
This work is the result of multiple vendors coming to consensus on
some core infrastructure (thanks Alexey, Yilun, and Aneesh!), and
three vendor implementations, although only one is included in this
pull. The PCI core changes have an ack from Bjorn, the crypto/ccp/
changes have an ack from Tom, and the iommu/amd/ changes have an ack
from Joerg.
PCIe link encryption is made possible by the soup of acronyms
mentioned in the shortlog below. Link Integrity and Data Encryption
(IDE) is a protocol for installing keys in the transmitter and
receiver at each end of a link. That protocol is transported over Data
Object Exchange (DOE) mailboxes using PCI configuration requests.
The aspect that makes this a "platform firmware service" is that the
key provisioning and protocol is coordinated through a Trusted
Execution Envrionment (TEE) Security Manager (TSM). That is either
firmware running in a coprocessor (AMD SEV-TIO), or quasi-hypervisor
software (Intel TDX Connect / ARM CCA) running in a protected CPU
mode.
Now, the only reason to ask a TSM to run this protocol and install the
keys rather than have a Linux driver do the same is so that later, a
confidential VM can ask the TSM directly "can you certify this
device?".
That precludes host Linux from provisioning its own keys, because host
Linux is outside the trust domain for the VM. It also turns out that
all architectures, save for one, do not publish a mechanism for an OS
to establish keys in the root port. So "TSM-established link
encryption" is the only cross-architecture path for this capability
for the foreseeable future.
This unblocks the other arch implementations to follow in v6.20/v7.0,
once they clear some other dependencies, and it unblocks the next
phase of work to implement the end-to-end flow of confidential device
assignment. The PCIe specification calls this end-to-end flow Trusted
Execution Environment (TEE) Device Interface Security Protocol
(TDISP).
In the meantime, Linux gets a link encryption facility which has
practical benefits along the same lines as memory encryption. It
authenticates devices via certificates and may protect against
interposer attacks trying to capture clear-text PCIe traffic.
Summary:
- Introduce the PCI/TSM core for the coordination of device
authentication, link encryption and establishment (IDE), and later
management of the device security operational states (TDISP).
Notify the new TSM core layer of PCI device arrival and departure
- Add a low level TSM driver for the link encryption establishment
capabilities of the AMD SEV-TIO architecture
- Add a library of helpers TSM drivers to use for IDE establishment
and the DOE transport
- Add skeleton support for 'bind' and 'guest_request' operations in
support of TDISP"
* tag 'tsm-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/devsec/tsm: (23 commits)
crypto/ccp: Fix CONFIG_PCI=n build
virt: Fix Kconfig warning when selecting TSM without VIRT_DRIVERS
crypto/ccp: Implement SEV-TIO PCIe IDE (phase1)
iommu/amd: Report SEV-TIO support
psp-sev: Assign numbers to all status codes and add new
ccp: Make snp_reclaim_pages and __sev_do_cmd_locked public
PCI/TSM: Add 'dsm' and 'bound' attributes for dependent functions
PCI/TSM: Add pci_tsm_guest_req() for managing TDIs
PCI/TSM: Add pci_tsm_bind() helper for instantiating TDIs
PCI/IDE: Initialize an ID for all IDE streams
PCI/IDE: Add Address Association Register setup for downstream MMIO
resource: Introduce resource_assigned() for discerning active resources
PCI/TSM: Drop stub for pci_tsm_doe_transfer()
drivers/virt: Drop VIRT_DRIVERS build dependency
PCI/TSM: Report active IDE streams
PCI/IDE: Report available IDE streams
PCI/IDE: Add IDE establishment helpers
PCI: Establish document for PCI host bridge sysfs attributes
PCI: Add PCIe Device 3 Extended Capability enumeration
PCI/TSM: Establish Secure Sessions and Link Encryption
...
|
||
|
Linus Torvalds
|
a7405aa92f |
dma-mapping updates for Linux 6.19:
- next part of DMA mapping API refactoring to physical addresses as the primary interface instead of page+offset parameters; this time dma_map_ops callbacks are converted to physical addresses, what in turn results also in some simplification of architecture specific code (Leon Romanovsky and Jason Gunthorpe) - clarify that dma_map_benchmark is not a kernel self-test, but standalone tool (Qinxin Xia) -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQSrngzkoBtlA8uaaJ+Jp1EFxbsSRAUCaTLpeQAKCRCJp1EFxbsS RKlAAQCo/gVslheoJ+h4Hk5oUjLfVQaiamJOlzxw12EVHVAs3AEA7GILIAL1GbGn EpkgwjIuz/J/4aGhNbYO6J+C1qMAHww= =aM6P -----END PGP SIGNATURE----- Merge tag 'dma-mapping-6.19-2025-12-05' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux Pull dma-mapping updates from Marek Szyprowski: - More DMA mapping API refactoring to physical addresses as the primary interface instead of page+offset parameters. This time dma_map_ops callbacks are converted to physical addresses, what in turn results also in some simplification of architecture specific code (Leon Romanovsky and Jason Gunthorpe) - Clarify that dma_map_benchmark is not a kernel self-test, but standalone tool (Qinxin Xia) * tag 'dma-mapping-6.19-2025-12-05' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux: dma-mapping: remove unused map_page callback xen: swiotlb: Convert mapping routine to rely on physical address x86: Use physical address for DMA mapping sparc: Use physical address DMA mapping powerpc: Convert to physical address DMA mapping parisc: Convert DMA map_page to map_phys interface MIPS/jazzdma: Provide physical address directly alpha: Convert mapping routine to rely on physical address dma-mapping: remove unused mapping resource callbacks xen: swiotlb: Switch to physical address mapping callbacks ARM: dma-mapping: Switch to physical address mapping callbacks ARM: dma-mapping: Reduce struct page exposure in arch_sync_dma*() dma-mapping: convert dummy ops to physical address mapping dma-mapping: prepare dma_map_ops to conversion to physical address tools/dma: move dma_map_benchmark from selftests to tools/dma |
||
|
Linus Torvalds
|
f19b84186d |
[GIT PULL for v6.19] media updates
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||
|
Linus Torvalds
|
51d90a15fe |
ARM:
- Support for userspace handling of synchronous external aborts (SEAs),
allowing the VMM to potentially handle the abort in a non-fatal
manner.
- Large rework of the VGIC's list register handling with the goal of
supporting more active/pending IRQs than available list registers in
hardware. In addition, the VGIC now supports EOImode==1 style
deactivations for IRQs which may occur on a separate vCPU than the
one that acked the IRQ.
- Support for FEAT_XNX (user / privileged execute permissions) and
FEAT_HAF (hardware update to the Access Flag) in the software page
table walkers and shadow MMU.
- Allow page table destruction to reschedule, fixing long need_resched
latencies observed when destroying a large VM.
- Minor fixes to KVM and selftests
Loongarch:
- Get VM PMU capability from HW GCFG register.
- Add AVEC basic support.
- Use 64-bit register definition for EIOINTC.
- Add KVM timer test cases for tools/selftests.
RISC/V:
- SBI message passing (MPXY) support for KVM guest
- Give a new, more specific error subcode for the case when in-kernel
AIA virtualization fails to allocate IMSIC VS-file
- Support KVM_DIRTY_LOG_INITIALLY_SET, enabling dirty log gradually
in small chunks
- Fix guest page fault within HLV* instructions
- Flush VS-stage TLB after VCPU migration for Andes cores
s390:
- Always allocate ESCA (Extended System Control Area), instead of
starting with the basic SCA and converting to ESCA with the
addition of the 65th vCPU. The price is increased number of
exits (and worse performance) on z10 and earlier processor;
ESCA was introduced by z114/z196 in 2010.
- VIRT_XFER_TO_GUEST_WORK support
- Operation exception forwarding support
- Cleanups
x86:
- Skip the costly "zap all SPTEs" on an MMIO generation wrap if MMIO SPTE
caching is disabled, as there can't be any relevant SPTEs to zap.
- Relocate a misplaced export.
- Fix an async #PF bug where KVM would clear the completion queue when the
guest transitioned in and out of paging mode, e.g. when handling an SMI and
then returning to paged mode via RSM.
- Leave KVM's user-return notifier registered even when disabling
virtualization, as long as kvm.ko is loaded. On reboot/shutdown, keeping
the notifier registered is ok; the kernel does not use the MSRs and the
callback will run cleanly and restore host MSRs if the CPU manages to
return to userspace before the system goes down.
- Use the checked version of {get,put}_user().
- Fix a long-lurking bug where KVM's lack of catch-up logic for periodic APIC
timers can result in a hard lockup in the host.
- Revert the periodic kvmclock sync logic now that KVM doesn't use a
clocksource that's subject to NTP corrections.
- Clean up KVM's handling of MMIO Stale Data and L1TF, and bury the latter
behind CONFIG_CPU_MITIGATIONS.
- Context switch XCR0, XSS, and PKRU outside of the entry/exit fast path;
the only reason they were handled in the fast path was to paper of a bug
in the core #MC code, and that has long since been fixed.
- Add emulator support for AVX MOV instructions, to play nice with emulated
devices whose guest drivers like to access PCI BARs with large multi-byte
instructions.
x86 (AMD):
- Fix a few missing "VMCB dirty" bugs.
- Fix the worst of KVM's lack of EFER.LMSLE emulation.
- Add AVIC support for addressing 4k vCPUs in x2AVIC mode.
- Fix incorrect handling of selective CR0 writes when checking intercepts
during emulation of L2 instructions.
- Fix a currently-benign bug where KVM would clobber SPEC_CTRL[63:32] on
VMRUN and #VMEXIT.
- Fix a bug where KVM corrupt the guest code stream when re-injecting a soft
interrupt if the guest patched the underlying code after the VM-Exit, e.g.
when Linux patches code with a temporary INT3.
- Add KVM_X86_SNP_POLICY_BITS to advertise supported SNP policy bits to
userspace, and extend KVM "support" to all policy bits that don't require
any actual support from KVM.
x86 (Intel):
- Use the root role from kvm_mmu_page to construct EPTPs instead of the
current vCPU state, partly as worthwhile cleanup, but mostly to pave the
way for tracking per-root TLB flushes, and elide EPT flushes on pCPU
migration if the root is clean from a previous flush.
- Add a few missing nested consistency checks.
- Rip out support for doing "early" consistency checks via hardware as the
functionality hasn't been used in years and is no longer useful in general;
replace it with an off-by-default module param to WARN if hardware fails
a check that KVM does not perform.
- Fix a currently-benign bug where KVM would drop the guest's SPEC_CTRL[63:32]
on VM-Enter.
- Misc cleanups.
- Overhaul the TDX code to address systemic races where KVM (acting on behalf
of userspace) could inadvertantly trigger lock contention in the TDX-Module;
KVM was either working around these in weird, ugly ways, or was simply
oblivious to them (though even Yan's devilish selftests could only break
individual VMs, not the host kernel)
- Fix a bug where KVM could corrupt a vCPU's cpu_list when freeing a TDX vCPU,
if creating said vCPU failed partway through.
- Fix a few sparse warnings (bad annotation, 0 != NULL).
- Use struct_size() to simplify copying TDX capabilities to userspace.
- Fix a bug where TDX would effectively corrupt user-return MSR values if the
TDX Module rejects VP.ENTER and thus doesn't clobber host MSRs as expected.
Selftests:
- Fix a math goof in mmu_stress_test when running on a single-CPU system/VM.
- Forcefully override ARCH from x86_64 to x86 to play nice with specifying
ARCH=x86_64 on the command line.
- Extend a bunch of nested VMX to validate nested SVM as well.
- Add support for LA57 in the core VM_MODE_xxx macro, and add a test to
verify KVM can save/restore nested VMX state when L1 is using 5-level
paging, but L2 is not.
- Clean up the guest paging code in anticipation of sharing the core logic for
nested EPT and nested NPT.
guest_memfd:
- Add NUMA mempolicy support for guest_memfd, and clean up a variety of
rough edges in guest_memfd along the way.
- Define a CLASS to automatically handle get+put when grabbing a guest_memfd
from a memslot to make it harder to leak references.
- Enhance KVM selftests to make it easer to develop and debug selftests like
those added for guest_memfd NUMA support, e.g. where test and/or KVM bugs
often result in hard-to-debug SIGBUS errors.
- Misc cleanups.
Generic:
- Use the recently-added WQ_PERCPU when creating the per-CPU workqueue for
irqfd cleanup.
- Fix a goof in the dirty ring documentation.
- Fix choice of target for directed yield across different calls to
kvm_vcpu_on_spin(); the function was always starting from the first
vCPU instead of continuing the round-robin search.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM updates from Paolo Bonzini:
"ARM:
- Support for userspace handling of synchronous external aborts
(SEAs), allowing the VMM to potentially handle the abort in a
non-fatal manner
- Large rework of the VGIC's list register handling with the goal of
supporting more active/pending IRQs than available list registers
in hardware. In addition, the VGIC now supports EOImode==1 style
deactivations for IRQs which may occur on a separate vCPU than the
one that acked the IRQ
- Support for FEAT_XNX (user / privileged execute permissions) and
FEAT_HAF (hardware update to the Access Flag) in the software page
table walkers and shadow MMU
- Allow page table destruction to reschedule, fixing long
need_resched latencies observed when destroying a large VM
- Minor fixes to KVM and selftests
Loongarch:
- Get VM PMU capability from HW GCFG register
- Add AVEC basic support
- Use 64-bit register definition for EIOINTC
- Add KVM timer test cases for tools/selftests
RISC/V:
- SBI message passing (MPXY) support for KVM guest
- Give a new, more specific error subcode for the case when in-kernel
AIA virtualization fails to allocate IMSIC VS-file
- Support KVM_DIRTY_LOG_INITIALLY_SET, enabling dirty log gradually
in small chunks
- Fix guest page fault within HLV* instructions
- Flush VS-stage TLB after VCPU migration for Andes cores
s390:
- Always allocate ESCA (Extended System Control Area), instead of
starting with the basic SCA and converting to ESCA with the
addition of the 65th vCPU. The price is increased number of exits
(and worse performance) on z10 and earlier processor; ESCA was
introduced by z114/z196 in 2010
- VIRT_XFER_TO_GUEST_WORK support
- Operation exception forwarding support
- Cleanups
x86:
- Skip the costly "zap all SPTEs" on an MMIO generation wrap if MMIO
SPTE caching is disabled, as there can't be any relevant SPTEs to
zap
- Relocate a misplaced export
- Fix an async #PF bug where KVM would clear the completion queue
when the guest transitioned in and out of paging mode, e.g. when
handling an SMI and then returning to paged mode via RSM
- Leave KVM's user-return notifier registered even when disabling
virtualization, as long as kvm.ko is loaded. On reboot/shutdown,
keeping the notifier registered is ok; the kernel does not use the
MSRs and the callback will run cleanly and restore host MSRs if the
CPU manages to return to userspace before the system goes down
- Use the checked version of {get,put}_user()
- Fix a long-lurking bug where KVM's lack of catch-up logic for
periodic APIC timers can result in a hard lockup in the host
- Revert the periodic kvmclock sync logic now that KVM doesn't use a
clocksource that's subject to NTP corrections
- Clean up KVM's handling of MMIO Stale Data and L1TF, and bury the
latter behind CONFIG_CPU_MITIGATIONS
- Context switch XCR0, XSS, and PKRU outside of the entry/exit fast
path; the only reason they were handled in the fast path was to
paper of a bug in the core #MC code, and that has long since been
fixed
- Add emulator support for AVX MOV instructions, to play nice with
emulated devices whose guest drivers like to access PCI BARs with
large multi-byte instructions
x86 (AMD):
- Fix a few missing "VMCB dirty" bugs
- Fix the worst of KVM's lack of EFER.LMSLE emulation
- Add AVIC support for addressing 4k vCPUs in x2AVIC mode
- Fix incorrect handling of selective CR0 writes when checking
intercepts during emulation of L2 instructions
- Fix a currently-benign bug where KVM would clobber SPEC_CTRL[63:32]
on VMRUN and #VMEXIT
- Fix a bug where KVM corrupt the guest code stream when re-injecting
a soft interrupt if the guest patched the underlying code after the
VM-Exit, e.g. when Linux patches code with a temporary INT3
- Add KVM_X86_SNP_POLICY_BITS to advertise supported SNP policy bits
to userspace, and extend KVM "support" to all policy bits that
don't require any actual support from KVM
x86 (Intel):
- Use the root role from kvm_mmu_page to construct EPTPs instead of
the current vCPU state, partly as worthwhile cleanup, but mostly to
pave the way for tracking per-root TLB flushes, and elide EPT
flushes on pCPU migration if the root is clean from a previous
flush
- Add a few missing nested consistency checks
- Rip out support for doing "early" consistency checks via hardware
as the functionality hasn't been used in years and is no longer
useful in general; replace it with an off-by-default module param
to WARN if hardware fails a check that KVM does not perform
- Fix a currently-benign bug where KVM would drop the guest's
SPEC_CTRL[63:32] on VM-Enter
- Misc cleanups
- Overhaul the TDX code to address systemic races where KVM (acting
on behalf of userspace) could inadvertantly trigger lock contention
in the TDX-Module; KVM was either working around these in weird,
ugly ways, or was simply oblivious to them (though even Yan's
devilish selftests could only break individual VMs, not the host
kernel)
- Fix a bug where KVM could corrupt a vCPU's cpu_list when freeing a
TDX vCPU, if creating said vCPU failed partway through
- Fix a few sparse warnings (bad annotation, 0 != NULL)
- Use struct_size() to simplify copying TDX capabilities to userspace
- Fix a bug where TDX would effectively corrupt user-return MSR
values if the TDX Module rejects VP.ENTER and thus doesn't clobber
host MSRs as expected
Selftests:
- Fix a math goof in mmu_stress_test when running on a single-CPU
system/VM
- Forcefully override ARCH from x86_64 to x86 to play nice with
specifying ARCH=x86_64 on the command line
- Extend a bunch of nested VMX to validate nested SVM as well
- Add support for LA57 in the core VM_MODE_xxx macro, and add a test
to verify KVM can save/restore nested VMX state when L1 is using
5-level paging, but L2 is not
- Clean up the guest paging code in anticipation of sharing the core
logic for nested EPT and nested NPT
guest_memfd:
- Add NUMA mempolicy support for guest_memfd, and clean up a variety
of rough edges in guest_memfd along the way
- Define a CLASS to automatically handle get+put when grabbing a
guest_memfd from a memslot to make it harder to leak references
- Enhance KVM selftests to make it easer to develop and debug
selftests like those added for guest_memfd NUMA support, e.g. where
test and/or KVM bugs often result in hard-to-debug SIGBUS errors
- Misc cleanups
Generic:
- Use the recently-added WQ_PERCPU when creating the per-CPU
workqueue for irqfd cleanup
- Fix a goof in the dirty ring documentation
- Fix choice of target for directed yield across different calls to
kvm_vcpu_on_spin(); the function was always starting from the first
vCPU instead of continuing the round-robin search"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (260 commits)
KVM: arm64: at: Update AF on software walk only if VM has FEAT_HAFDBS
KVM: arm64: at: Use correct HA bit in TCR_EL2 when regime is EL2
KVM: arm64: Document KVM_PGTABLE_PROT_{UX,PX}
KVM: arm64: Fix spelling mistake "Unexpeced" -> "Unexpected"
KVM: arm64: Add break to default case in kvm_pgtable_stage2_pte_prot()
KVM: arm64: Add endian casting to kvm_swap_s[12]_desc()
KVM: arm64: Fix compilation when CONFIG_ARM64_USE_LSE_ATOMICS=n
KVM: arm64: selftests: Add test for AT emulation
KVM: arm64: nv: Expose hardware access flag management to NV guests
KVM: arm64: nv: Implement HW access flag management in stage-2 SW PTW
KVM: arm64: Implement HW access flag management in stage-1 SW PTW
KVM: arm64: Propagate PTW errors up to AT emulation
KVM: arm64: Add helper for swapping guest descriptor
KVM: arm64: nv: Use pgtable definitions in stage-2 walk
KVM: arm64: Handle endianness in read helper for emulated PTW
KVM: arm64: nv: Stop passing vCPU through void ptr in S2 PTW
KVM: arm64: Call helper for reading descriptors directly
KVM: arm64: nv: Advertise support for FEAT_XNX
KVM: arm64: Teach ptdump about FEAT_XNX permissions
KVM: s390: Use generic VIRT_XFER_TO_GUEST_WORK functions
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Linus Torvalds
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4b9d25b4d3 |
vfs-6.19-rc1.fixes
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCaTLXbgAKCRCRxhvAZXjc og6oAP9QnawWV/g0vFt8O+jODb/JE54A6Vdb3Ai5Pt+yEB6iVgD/Reu8OhB694tO 6j8j+lfPV35Z432VirfeKU7Vd4GUSwg= =HMln -----END PGP SIGNATURE----- Merge tag 'vfs-6.19-rc1.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull vfs fixes from Christian Brauner: - Fix a type conversion bug in the ipc subsystem - Fix per-dentry timeout warning in autofs - Drop the fd conversion from sockets - Move assert from iput_not_last() to iput() - Fix reversed check in filesystems_freeze_callback() - Use proper uapi types for new struct delegation definitions * tag 'vfs-6.19-rc1.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: vfs: use UAPI types for new struct delegation definition mqueue: correct the type of ro to int Revert "net/socket: convert sock_map_fd() to FD_ADD()" autofs: fix per-dentry timeout warning fs: assert on I_FREEING not being set in iput() and iput_not_last() fs: PM: Fix reverse check in filesystems_freeze_callback() |
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Naman Jain
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7bfe3b8ea6 |
Drivers: hv: Introduce mshv_vtl driver
Provide an interface for Virtual Machine Monitor like OpenVMM and its use as OpenHCL paravisor to control VTL0 (Virtual trust Level). Expose devices and support IOCTLs for features like VTL creation, VTL0 memory management, context switch, making hypercalls, mapping VTL0 address space to VTL2 userspace, getting new VMBus messages and channel events in VTL2 etc. Co-developed-by: Roman Kisel <romank@linux.microsoft.com> Signed-off-by: Roman Kisel <romank@linux.microsoft.com> Co-developed-by: Saurabh Sengar <ssengar@linux.microsoft.com> Signed-off-by: Saurabh Sengar <ssengar@linux.microsoft.com> Reviewed-by: Michael Kelley <mhklinux@outlook.com> Signed-off-by: Naman Jain <namjain@linux.microsoft.com> Signed-off-by: Wei Liu <wei.liu@kernel.org> |