linux-kernel - Re: [PATCH -fixes] riscv: patch: Flush the icache right after patching to avoid illegal insns

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Date: Thu, 27 Jun 2024 17:50:44 +0000
From: patchwork-bot+linux-riscv@...nel.org
To: Alexandre Ghiti <alexghiti@...osinc.com>
Cc: linux-riscv@...ts.infradead.org, rostedt@...dmis.org, mhiramat@...nel.org,
 mark.rutland@....com, paul.walmsley@...ive.com, palmer@...belt.com,
 aou@...s.berkeley.edu, bjorn@...osinc.com, andy.chiu@...ive.com,
 puranjay12@...il.com, linux-kernel@...r.kernel.org,
 linux-trace-kernel@...r.kernel.org, conor.dooley@...rochip.com
Subject: Re: [PATCH -fixes] riscv: patch: Flush the icache right after patching to
 avoid illegal insns

Hello:

This patch was applied to riscv/linux.git (fixes)
by Palmer Dabbelt <palmer@...osinc.com>:

On Mon, 24 Jun 2024 10:21:41 +0200 you wrote:
> We cannot delay the icache flush after patching some functions as we may
> have patched a function that will get called before the icache flush.
> 
> The only way to completely avoid such scenario is by flushing the icache
> as soon as we patch a function. This will probably be costly as we don't
> batch the icache maintenance anymore.
> 
> [...]

Here is the summary with links:
  - [-fixes] riscv: patch: Flush the icache right after patching to avoid illegal insns
    https://git.kernel.org/riscv/c/edf2d546bfd6

You are awesome, thank you!
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