linux-kernel - Re: [PATCH 0/2] Introduce Control-flow Enforcement opcodes

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Date:   Tue, 3 Mar 2020 19:35:50 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Yu-cheng Yu <yu-cheng.yu@...el.com>, Ingo Molnar <mingo@...nel.org>
Cc:     linux-kernel@...r.kernel.org, x86@...nel.org,
        "H. Peter Anvin" <hpa@...or.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Andi Kleen <andi.kleen@...el.com>,
        Tony Luck <tony.luck@...el.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "Ravi V. Shankar" <ravi.v.shankar@...el.com>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH 0/2] Introduce Control-flow Enforcement opcodes

Hi,

On Tue,  4 Feb 2020 09:14:23 -0800
Yu-cheng Yu <yu-cheng.yu@...el.com> wrote:

> Control-flow Enforcement (CET) introduces 10 new instructions [1].  Add
> them to the opcode map.  This series has been separated from the CET
> patches [2] for ease of review.
> 
> [1] Detailed information on CET can be found in "Intel 64 and IA-32
>     Architectures Software Developer's Manual":
> 
>     https://software.intel.com/en-us/download/intel-64-and-ia-32-
>     architectures-sdm-combined-volumes-1-2a-2b-2c-2d-3a-3b-3c-3d-and-4
> 
> [2] CET patches:
> 
>     https://lkml.kernel.org/r/20190813205225.12032-1-yu-cheng.yu@intel.com/
>     https://lkml.kernel.org/r/20190813205359.12196-1-yu-cheng.yu@intel.com/

Sorry, somewhat I've missed this series...

This looks good to me.

Acked-by: Masami Hiramatsu <mhiramat@...nel.org>

for this series.

Thank you,

> 
> Adrian Hunter (1):
>   x86/insn: perf tools: Add CET instructions to the new instructions
>     test
> 
> Yu-cheng Yu (1):
>   x86/insn: Add Control-flow Enforcement (CET) instructions to the
>     opcode map
> 
>  arch/x86/lib/x86-opcode-map.txt              |  17 +-
>  tools/arch/x86/lib/x86-opcode-map.txt        |  17 +-
>  tools/perf/arch/x86/tests/insn-x86-dat-32.c  | 112 +++++++++
>  tools/perf/arch/x86/tests/insn-x86-dat-64.c  | 196 +++++++++++++++
>  tools/perf/arch/x86/tests/insn-x86-dat-src.c | 236 +++++++++++++++++++
>  5 files changed, 566 insertions(+), 12 deletions(-)
> 
> -- 
> 2.21.0
> 


-- 
Masami Hiramatsu <mhiramat@...nel.org>