linux-kernel - Re: [PATCH] x86/sev: Add ENCODE_FRAME_POINTER after stack changed for #VC

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Message-ID: <CAJhGHyBbN82UTEqFy1_=bPo+8a13S24jUzwKu5o5jJu3jbkETA@mail.gmail.com>
Date:   Wed, 27 Apr 2022 16:26:59 +0800
From:   Lai Jiangshan <jiangshanlai@...il.com>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     LKML <linux-kernel@...r.kernel.org>, X86 ML <x86@...nel.org>,
        Lai Jiangshan <jiangshan.ljs@...group.com>,
        Joerg Roedel <jroedel@...e.de>,
        Andy Lutomirski <luto@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        "H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH] x86/sev: Add ENCODE_FRAME_POINTER after stack changed for #VC

On Tue, Apr 12, 2022 at 8:24 PM Lai Jiangshan <jiangshanlai@...il.com> wrote:
>
> On Sat, Mar 19, 2022 at 1:03 AM Josh Poimboeuf <jpoimboe@...hat.com> wrote:
>
> > Ok, maybe Joerg can test it.  It looks obviously right to me though.
>
> It looks also obviously right to me.
>
> Hello, Joerg
>
> Any feedback?
>
> > Since it fixes a real frame pointer unwinding bug, it probably needs:
> >
> >   Fixes: a13644f3a53d ("x86/entry/64: Add entry code for #VC handler")
> >
> > Acked-by: Josh Poimboeuf <jpoimboe@...hat.com>
>
> Hello, Borislav
>
> Can you have a look at the patch, please?
>
> Thanks
> Lai


Hello

Ping.

Thanks
Lai