linux/Documentation/arch/riscv
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
..
acpi.rst docs: move riscv under arch 2023-10-10 13:37:43 -06:00
boot-image-header.rst docs: move riscv under arch 2023-10-10 13:37:43 -06:00
boot.rst docs: move riscv under arch 2023-10-10 13:37:43 -06:00
cmodx.rst RISC-V: Documentation: Add enough title underlines to CMODX 2025-06-05 12:26:07 -07:00
features.rst docs: kernel_feat.py: fix potential command injection 2024-01-11 09:21:01 -07:00
hwprobe.rst riscv: hwprobe: add support for RISCV_HWPROBE_KEY_IMA_EXT_1 2026-01-29 02:38:40 -07:00
index.rst RISC-V updates for v7.0 2026-02-12 19:17:44 -08:00
patch-acceptance.rst docs: move riscv under arch 2023-10-10 13:37:43 -06:00
uabi.rst Documentation: riscv: uabi: Clarify ISA spec version for canonical order 2026-01-14 17:16:23 -07:00
vector.rst Documentation: Fix spelling mistakes 2024-09-05 14:35:45 -06:00
vm-layout.rst Revert "RISC-V: mm: Document mmap changes" 2024-08-29 06:03:24 -07:00
zicfilp.rst riscv: add documentation for landing pad / indirect branch tracking 2026-01-29 02:38:40 -07:00
zicfiss.rst riscv: add documentation for shadow stack 2026-01-29 02:38:40 -07:00