linux-kernel - Re: [RFC 7/7] x86/unwind/64: Add support for the SYSENTER stack

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Message-ID: <CALCETrV=pwL3SDJs030a=MeDsNu=xnV8bKzP+9+_Dec1uQnOww@mail.gmail.com>
Date:   Mon, 13 Nov 2017 18:13:37 -0800
From:   Andy Lutomirski <luto@...nel.org>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     Andy Lutomirski <luto@...nel.org>, X86 ML <x86@...nel.org>,
        Borislav Petkov <bpetkov@...e.de>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Brian Gerst <brgerst@...il.com>,
        Dave Hansen <dave.hansen@...el.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [RFC 7/7] x86/unwind/64: Add support for the SYSENTER stack

On Mon, Nov 13, 2017 at 2:46 PM, Josh Poimboeuf <jpoimboe@...hat.com> wrote:
> On Fri, Nov 10, 2017 at 08:05:26PM -0800, Andy Lutomirski wrote:
>> Signed-off-by: Andy Lutomirski <luto@...nel.org>
>
> I would make the subject more specific and less unwinder-centric, like:
>
>   "x86/dumpstack: Add get_stack_info() support for the SYSENTER stack"
>
> since there aren't yet any changes to the unwinders themselves (which
> I'm assuming will be needed once you start using the stack).
>
> Also, at least a one-sentence description would be good.
>
> Otherwise the patch looks good to me.

Done.  I also added 32-bit support.

>
> --
> Josh