linux-kernel - Re: (subset) [PATCH V4 0/3] kprobe: Optimize the performance of patching ss

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Date:   Fri, 30 Sep 2022 17:25:53 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     rostedt@...dmis.org, mhiramat@...nel.org, paul.walmsley@...ive.com,
        aou@...s.berkeley.edu, maz@...nel.org, alexandru.elisei@....com,
        will@...nel.org, Liao Chang <liaochang1@...wei.com>,
        palmer@...belt.com, guoren@...nel.org
Cc:     linux-arm-kernel@...ts.infradead.org,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-csky@...r.kernel.org
Subject: Re: (subset) [PATCH V4 0/3] kprobe: Optimize the performance of patching ss

On Tue, 27 Sep 2022 10:24:32 +0800, Liao Chang wrote:
> Single-step slot would not be used until kprobe is enabled, that means
> no race condition occurs on it under SMP, hence it is safe to pacth ss
> slot without stopping machine.
> 
> v4:
> 1. Add Acked-by from Will Deacon
> 2. Mark Rutland provides some subtleties on arm64 micro-architecture
>    that needs to follow.
> 
> [...]

Applied to arm64 (for-next/misc), thanks!

[3/3] arm64/kprobe: Optimize the performance of patching single-step slot
      https://git.kernel.org/arm64/c/a0caebbd0460

-- 
Catalin