[PATCH v23 00/28] riscv control-flow integrity for usermode

[patchwork-bot+linux-riscv at kernel.org]

Hello:

This series was applied to riscv/linux.git (for-next)
by Paul Walmsley <pjw at kernel.org>:

On Wed, 12 Nov 2025 16:42:58 -0800 you wrote:
> v23:
> fixed some of the "CHECK:" reported on checkpatch --strict.
> Accepted Joel's suggestion for kselftest's Makefile.
> CONFIG_RISCV_USER_CFI is enabled when zicfiss, zicfilp and fcf-protection
> are all present in toolchain
> 
> v22: fixing build error due to -march=zicfiss being picked in gcc-13 and above
> but not actually doing any codegen or recognizing instruction for zicfiss.
> Change in v22 makes dependence on `-fcf-protection=full` compiler flag to
> ensure that toolchain has support and then only CONFIG_RISCV_USER_CFI will be
> visible in menuconfig.
> 
> [...]

Here is the summary with links:
  - [v23,01/28] mm: VM_SHADOW_STACK definition for riscv
    https://git.kernel.org/riscv/c/ae8460ac9db2
  - [v23,02/28] dt-bindings: riscv: zicfilp and zicfiss in dt-bindings (extensions.yaml)
    https://git.kernel.org/riscv/c/b32ccfc268db
  - [v23,03/28] riscv: zicfiss / zicfilp enumeration
    https://git.kernel.org/riscv/c/55a811a7f304
  - [v23,04/28] riscv: zicfiss / zicfilp extension csr and bit definitions
    https://git.kernel.org/riscv/c/92c96b16548e
  - [v23,05/28] riscv: usercfi state for task and save/restore of CSR_SSP on trap entry/exit
    https://git.kernel.org/riscv/c/7720cdd21962
  - [v23,06/28] riscv/mm : ensure PROT_WRITE leads to VM_READ | VM_WRITE
    https://git.kernel.org/riscv/c/e60eb198b13d
  - [v23,07/28] riscv/mm: manufacture shadow stack pte
    https://git.kernel.org/riscv/c/f8fcb7b5bf30
  - [v23,08/28] riscv/mm: teach pte_mkwrite to manufacture shadow stack PTEs
    https://git.kernel.org/riscv/c/0276a5ea1105
  - [v23,09/28] riscv/mm: write protect and shadow stack
    https://git.kernel.org/riscv/c/ae615676bc37
  - [v23,10/28] riscv/mm: Implement map_shadow_stack() syscall
    https://git.kernel.org/riscv/c/d291fd38f841
  - [v23,11/28] riscv/shstk: If needed allocate a new shadow stack on clone
    https://git.kernel.org/riscv/c/d209ea2fa4bb
  - [v23,12/28] riscv: Implements arch agnostic shadow stack prctls
    https://git.kernel.org/riscv/c/8b49f512abc2
  - [v23,13/28] prctl: arch-agnostic prctl for indirect branch tracking
    https://git.kernel.org/riscv/c/3363a8d1044e
  - [v23,14/28] riscv: Implements arch agnostic indirect branch tracking prctls
    https://git.kernel.org/riscv/c/0177891ccdb7
  - [v23,15/28] riscv/traps: Introduce software check exception and uprobe handling
    https://git.kernel.org/riscv/c/6f71171a7448
  - [v23,16/28] riscv: signal: abstract header saving for setup_sigcontext
    (no matching commit)
  - [v23,17/28] riscv/signal: save and restore of shadow stack for signal
    https://git.kernel.org/riscv/c/4f9da7ad3478
  - [v23,18/28] riscv/kernel: update __show_regs to print shadow stack register
    https://git.kernel.org/riscv/c/320c96a55d73
  - [v23,19/28] riscv/ptrace: riscv cfi status and state via ptrace and in core files
    https://git.kernel.org/riscv/c/7a39f89a817e
  - [v23,20/28] riscv/hwprobe: zicfilp / zicfiss enumeration in hwprobe
    https://git.kernel.org/riscv/c/c09b490a9267
  - [v23,21/28] riscv: kernel command line option to opt out of user cfi
    https://git.kernel.org/riscv/c/6e0dc40ceb45
  - [v23,22/28] riscv: enable kernel access to shadow stack memory via FWFT sbi call
    https://git.kernel.org/riscv/c/dfd087078357
  - [v23,23/28] arch/riscv: compile vdso with landing pad and shadow stack note
    https://git.kernel.org/riscv/c/2cfe57e3bd9b
  - [v23,24/28] arch/riscv: dual vdso creation logic and select vdso based on hw
    https://git.kernel.org/riscv/c/418316aa61e8
  - [v23,25/28] riscv: create a config for shadow stack and landing pad instr support
    https://git.kernel.org/riscv/c/c5f5ce714457
  - [v23,26/28] riscv: Documentation for landing pad / indirect branch tracking
    https://git.kernel.org/riscv/c/73d0ccec35b8
  - [v23,27/28] riscv: Documentation for shadow stack on riscv
    https://git.kernel.org/riscv/c/6b8214c8cbd6
  - [v23,28/28] kselftest/riscv: kselftest for user mode cfi
    https://git.kernel.org/riscv/c/0f226cf6026f

You are awesome, thank you!
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