Re: [PATCH 5.10 v2 04/16] x86/alternatives: Introduce int3_emulate_jcc()

[Sasha Levin <sashal@kernel.org>]

[ Sasha's backport helper bot ]

Hi,

✅ All tests passed successfully. No issues detected.
No action required from the submitter.

The upstream commit SHA1 provided is correct: db7adcfd1cec4e95155e37bc066fddab302c6340

WARNING: Author mismatch between patch and upstream commit:
Backport author: Pawan Gupta<pawan.kumar.gupta@linux.intel.com>
Commit author: Peter Zijlstra<peterz@infradead.org>

Status in newer kernel trees:
6.15.y | Present (exact SHA1)
6.12.y | Present (exact SHA1)
6.6.y | Present (exact SHA1)
6.1.y | Present (different SHA1: 75c066485bcb)
5.15.y | Present (different SHA1: f4ba357b0739)

Note: The patch differs from the upstream commit:
---
1:  db7adcfd1cec4 ! 1:  fd965993ed457 x86/alternatives: Introduce int3_emulate_jcc()
    @@ Metadata
      ## Commit message ##
         x86/alternatives: Introduce int3_emulate_jcc()
     
    +    commit db7adcfd1cec4e95155e37bc066fddab302c6340 upstream.
    +
         Move the kprobe Jcc emulation into int3_emulate_jcc() so it can be
         used by more code -- specifically static_call() will need this.
     
    @@ Commit message
         Signed-off-by: Ingo Molnar <mingo@kernel.org>
         Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
         Link: https://lore.kernel.org/r/20230123210607.057678245@infradead.org
    +    Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@igalia.com>
    +    Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
     
      ## arch/x86/include/asm/text-patching.h ##
     @@ arch/x86/include/asm/text-patching.h: void int3_emulate_ret(struct pt_regs *regs)
---

Results of testing on various branches:

| Branch                    | Patch Apply | Build Test |
|---------------------------|-------------|------------|
| stable/linux-5.15.y       |  Success    |  Success   |