linux/Documentation/arch
Linus Torvalds cee73b1e84 RISC-V updates for v7.0
- Add support for control flow integrity for userspace processes.
   This is based on the standard RISC-V ISA extensions Zicfiss and
   Zicfilp
 
 - Improve ptrace behavior regarding vector registers, and add some selftests
 
 - Optimize our strlen() assembly
 
 - Enable the ISO-8859-1 code page as built-in, similar to ARM64, for EFI
   volume mounting
 
 - Clean up some code slightly, including defining copy_user_page() as
   copy_page() rather than memcpy(), aligning us with other
   architectures; and using max3() to slightly simplify an expression
   in riscv_iommu_init_check()
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Merge tag 'riscv-for-linus-7.0-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V updates from Paul Walmsley:

 - Add support for control flow integrity for userspace processes.

   This is based on the standard RISC-V ISA extensions Zicfiss and
   Zicfilp

 - Improve ptrace behavior regarding vector registers, and add some
   selftests

 - Optimize our strlen() assembly

 - Enable the ISO-8859-1 code page as built-in, similar to ARM64, for
   EFI volume mounting

 - Clean up some code slightly, including defining copy_user_page() as
   copy_page() rather than memcpy(), aligning us with other
   architectures; and using max3() to slightly simplify an expression
   in riscv_iommu_init_check()

* tag 'riscv-for-linus-7.0-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (42 commits)
  riscv: lib: optimize strlen loop efficiency
  selftests: riscv: vstate_exec_nolibc: Use the regular prctl() function
  selftests: riscv: verify ptrace accepts valid vector csr values
  selftests: riscv: verify ptrace rejects invalid vector csr inputs
  selftests: riscv: verify syscalls discard vector context
  selftests: riscv: verify initial vector state with ptrace
  selftests: riscv: test ptrace vector interface
  riscv: ptrace: validate input vector csr registers
  riscv: csr: define vtype register elements
  riscv: vector: init vector context with proper vlenb
  riscv: ptrace: return ENODATA for inactive vector extension
  kselftest/riscv: add kselftest for user mode CFI
  riscv: add documentation for shadow stack
  riscv: add documentation for landing pad / indirect branch tracking
  riscv: create a Kconfig fragment for shadow stack and landing pad support
  arch/riscv: add dual vdso creation logic and select vdso based on hw
  arch/riscv: compile vdso with landing pad and shadow stack note
  riscv: enable kernel access to shadow stack memory via the FWFT SBI call
  riscv: add kernel command line option to opt out of user CFI
  riscv/hwprobe: add zicfilp / zicfiss enumeration in hwprobe
  ...
2026-02-12 19:17:44 -08:00
..
arc Documentation: use a source-read extension for the index link boilerplate 2026-01-23 11:59:34 -07:00
arm Documentation: use a source-read extension for the index link boilerplate 2026-01-23 11:59:34 -07:00
arm64 A slightly calmer cycle for docs this time around, though there is still a 2026-02-09 20:53:18 -08:00
loongarch Documentation: use a source-read extension for the index link boilerplate 2026-01-23 11:59:34 -07:00
m68k Documentation: use a source-read extension for the index link boilerplate 2026-01-23 11:59:34 -07:00
mips Documentation: use a source-read extension for the index link boilerplate 2026-01-23 11:59:34 -07:00
nios2 docs: kernel_feat.py: fix potential command injection 2024-01-11 09:21:01 -07:00
openrisc Documentation: use a source-read extension for the index link boilerplate 2026-01-23 11:59:34 -07:00
parisc Documentation: use a source-read extension for the index link boilerplate 2026-01-23 11:59:34 -07:00
powerpc powerpc updates for 7.0 2026-02-10 21:46:12 -08:00
riscv RISC-V updates for v7.0 2026-02-12 19:17:44 -08:00
s390 A slightly calmer cycle for docs this time around, though there is still a 2026-02-09 20:53:18 -08:00
sh docs: kernel_feat.py: fix potential command injection 2024-01-11 09:21:01 -07:00
sparc Docs: typos/spelling 2024-05-02 10:02:29 -06:00
x86 * Inline x86-specific IPv6 checksum helper 2026-02-10 19:52:18 -08:00
xtensa docs: kernel_feat.py: fix potential command injection 2024-01-11 09:21:01 -07:00
index.rst The number of commits for documentation is not huge this time around, but 2023-11-01 17:11:41 -10:00