linux-kernel - Re: [PATCH bpf-next 2/5] x86/alternative: introduce text_poke

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Message-ID: <80E388D2-819C-4126-B81D-0659AB6506D2@fb.com>
Date:   Wed, 18 May 2022 15:32:16 +0000
From:   Song Liu <songliubraving@...com>
To:     Peter Zijlstra <peterz@...radead.org>
CC:     Song Liu <song@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>, Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Luis Chamberlain <mcgrof@...nel.org>,
        "Torvalds, Linus" <torvalds@...ux-foundation.org>,
        "Edgecombe, Rick P" <rick.p.edgecombe@...el.com>,
        Kernel Team <Kernel-team@...com>
Subject: Re: [PATCH bpf-next 2/5] x86/alternative: introduce text_poke_set



> On May 18, 2022, at 12:45 AM, Peter Zijlstra <peterz@...radead.org> wrote:
> 
> On Wed, May 18, 2022 at 06:58:46AM +0000, Song Liu wrote:
>> Hi Peter, 
>> 
>>> On May 15, 2022, at 10:40 PM, Song Liu <song@...nel.org> wrote:
>>> 
>>> Introduce a memset like API for text_poke. This will be used to fill the
>>> unused RX memory with illegal instructions.
>>> 
>>> Suggested-by: Peter Zijlstra <peterz@...radead.org>
>>> Signed-off-by: Song Liu <song@...nel.org>
>> 
>> Could you please share your comments on this? 
> 
> I wrote it; it must be good! What specifically you want to know?

Maybe just your Acked-by or Signed-off-by?

Thanks,
Song