linux-kernel - Re: [PATCH v23 00/28] riscv control-flow integrity for usermode

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Message-Id: 
 <176357041649.873046.14385292158343476261.git-patchwork-notify@kernel.org>
Date: Wed, 19 Nov 2025 16:40:16 +0000
From: patchwork-bot+linux-riscv@...nel.org
To: Deepak Gupta <debug@...osinc.com>
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Subject: Re: [PATCH v23 00/28] riscv control-flow integrity for usermode

Hello:

This series was applied to riscv/linux.git (for-next)
by Paul Walmsley <pjw@...nel.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
    (no matching commit)
  - [v23,02/28] dt-bindings: riscv: zicfilp and zicfiss in dt-bindings (extensions.yaml)
    (no matching commit)
  - [v23,03/28] riscv: zicfiss / zicfilp enumeration
    (no matching commit)
  - [v23,04/28] riscv: zicfiss / zicfilp extension csr and bit definitions
    (no matching commit)
  - [v23,05/28] riscv: usercfi state for task and save/restore of CSR_SSP on trap entry/exit
    (no matching commit)
  - [v23,06/28] riscv/mm : ensure PROT_WRITE leads to VM_READ | VM_WRITE
    (no matching commit)
  - [v23,07/28] riscv/mm: manufacture shadow stack pte
    (no matching commit)
  - [v23,08/28] riscv/mm: teach pte_mkwrite to manufacture shadow stack PTEs
    (no matching commit)
  - [v23,09/28] riscv/mm: write protect and shadow stack
    (no matching commit)
  - [v23,10/28] riscv/mm: Implement map_shadow_stack() syscall
    (no matching commit)
  - [v23,11/28] riscv/shstk: If needed allocate a new shadow stack on clone
    (no matching commit)
  - [v23,12/28] riscv: Implements arch agnostic shadow stack prctls
    (no matching commit)
  - [v23,13/28] prctl: arch-agnostic prctl for indirect branch tracking
    (no matching commit)
  - [v23,14/28] riscv: Implements arch agnostic indirect branch tracking prctls
    (no matching commit)
  - [v23,15/28] riscv/traps: Introduce software check exception and uprobe handling
    (no matching commit)
  - [v23,16/28] riscv: signal: abstract header saving for setup_sigcontext
    https://git.kernel.org/riscv/c/bfc1388f2753
  - [v23,17/28] riscv/signal: save and restore of shadow stack for signal
    (no matching commit)
  - [v23,18/28] riscv/kernel: update __show_regs to print shadow stack register
    (no matching commit)
  - [v23,19/28] riscv/ptrace: riscv cfi status and state via ptrace and in core files
    (no matching commit)
  - [v23,20/28] riscv/hwprobe: zicfilp / zicfiss enumeration in hwprobe
    (no matching commit)
  - [v23,21/28] riscv: kernel command line option to opt out of user cfi
    (no matching commit)
  - [v23,22/28] riscv: enable kernel access to shadow stack memory via FWFT sbi call
    (no matching commit)
  - [v23,23/28] arch/riscv: compile vdso with landing pad and shadow stack note
    (no matching commit)
  - [v23,24/28] arch/riscv: dual vdso creation logic and select vdso based on hw
    (no matching commit)
  - [v23,25/28] riscv: create a config for shadow stack and landing pad instr support
    (no matching commit)
  - [v23,26/28] riscv: Documentation for landing pad / indirect branch tracking
    (no matching commit)
  - [v23,27/28] riscv: Documentation for shadow stack on riscv
    (no matching commit)
  - [v23,28/28] kselftest/riscv: kselftest for user mode cfi
    (no matching commit)

You are awesome, thank you!
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