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

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Message-ID: <20200326142624.GA6411@kernel.org>
Date:   Thu, 26 Mar 2020 11:26:24 -0300
From:   Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
To:     Adrian Hunter <adrian.hunter@...el.com>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Yu-cheng Yu <yu-cheng.yu@...el.com>,
        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>,
        Andi Kleen <andi.kleen@...el.com>,
        Tony Luck <tony.luck@...el.com>, 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

Em Thu, Mar 26, 2020 at 07:11:18AM +0200, Adrian Hunter escreveu:
> On 3/03/20 12:35 pm, Masami Hiramatsu wrote:
> > 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.
 
> These are the correct patches for CET instructions.
 
> Sorry for the confusion.

Thanks, applied, sorry for the long delay in doing so.

- Arnaldo