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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <c5737eb6-383b-13ea-20d1-af597c69a21d@intel.com>
Date:   Mon, 3 Jan 2022 10:13:24 +0200
From:   Adrian Hunter <adrian.hunter@...el.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
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

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?

> 
>>
>>
>> Adrian Hunter (6):
>>       perf tests: Add AMX instructions to x86 instruction decoder test
>>       x86/insn: Add AMX instructions to x86 instruction decoder
>>       perf tests: Add misc instructions to x86 instruction decoder test
>>       x86/insn: Add misc instructions to x86 instruction decoder
>>       perf tests: Add AVX512-FP16 instructions to x86 instruction decoder test
>>       x86/insn: Add AVX512-FP16 instructions to x86 instruction decoder
>>
>>  arch/x86/include/asm/insn.h                  |    2 +-
>>  arch/x86/lib/x86-opcode-map.txt              |  111 +-
>>  tools/arch/x86/include/asm/insn.h            |    2 +-
>>  tools/arch/x86/lib/x86-opcode-map.txt        |  111 +-
>>  tools/perf/arch/x86/tests/insn-x86-dat-32.c  |  918 +++++++++++++++++
>>  tools/perf/arch/x86/tests/insn-x86-dat-64.c  | 1426 ++++++++++++++++++++++++++
>>  tools/perf/arch/x86/tests/insn-x86-dat-src.c | 1189 +++++++++++++++++++++
>>  7 files changed, 3731 insertions(+), 28 deletions(-)
>>
>>
>> Regards
>> Adrian
> 
>