linux-kernel - Re: [PATCH 0/6] x86/insn: Add instructions to instruction decoder

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Message-ID: <YdMOiFDdEny4Jicc@kernel.org>
Date:   Mon, 3 Jan 2022 11:56:08 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Adrian Hunter <adrian.hunter@...el.com>
Cc:     Jiri Olsa <jolsa@...hat.com>, linux-kernel@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
        H Peter Anvin <hpa@...or.com>, chang.seok.bae@...el.com,
        Masami Hiramatsu <mhiramat@...nel.org>
Subject: Re: [PATCH 0/6] x86/insn: Add instructions to instruction decoder

Em Mon, Jan 03, 2022 at 10:13:24AM +0200, Adrian Hunter escreveu:
> On 23/12/2021 08:38, Masami Hiramatsu wrote:
> > Hi,
> > 
> > Sorry, I missed this series.
> > 
> > On Thu,  2 Dec 2021 11:50:23 +0200
> > Adrian Hunter <adrian.hunter@...el.com> wrote:
> > 
> >> Hi
> >>
> >> Here are patches to bring the kernel and tools x86 instruction decoder
> >> more up to date.
> >>
> >> x86 instruction decoder is used for both kernel instructions and user space
> >> instructions (e.g. uprobes, perf tools Intel PT), so it is good to update
> >> it with new instructions.
> > 
> > Hmm, I thought perf used objdump for that purpose internally.
> > Anyway, this series looks good to me. I'm a bit surprised that the
> > insn decoder can actually support those instructions only changing
> > X86_EVEX_M() macro :-)
> > 
> > Acked-by: Masami Hiramatsu <mhiramat@...nel.org>
> > 
> > Thank you!
> 
> Thanks!
> 
> Arnaldo, could you consider taking these patches?

I can pick the tools/ bits, the arch/x86/ should go via PeterZ, right?
Peter?

- Arnaldo