linux-kernel - Re: [PATCH v3 1/6] x86/stacktrace: do not unwind after user regs

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Date:   Thu, 21 Jun 2018 16:35:30 +0200
From:   Ingo Molnar <mingo@...nel.org>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     Jiri Slaby <jslaby@...e.cz>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Andy Lutomirski <luto@...nel.org>,
        Borislav Petkov <bp@...en8.de>, mingo@...hat.com,
        linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org
Subject: Re: [PATCH v3 1/6] x86/stacktrace: do not unwind after user regs


* Josh Poimboeuf <jpoimboe@...hat.com> wrote:

> On Tue, May 22, 2018 at 11:06:09AM -0500, Josh Poimboeuf wrote:
> > On Sat, May 19, 2018 at 09:42:51AM +0200, Ingo Molnar wrote:
> > > 
> > > * Josh Poimboeuf <jpoimboe@...hat.com> wrote:
> > > 
> > > > On Fri, May 18, 2018 at 08:55:47AM +0200, Ingo Molnar wrote:
> > > > > 
> > > > > * Jiri Slaby <jslaby@...e.cz> wrote:
> > > > > 
> > > > > > Josh pointed out, that there is no way a frame can be after user regs.
> > > > > > So remove the last unwind and the check.
> > > > > > 
> > > > > > Signed-off-by: Jiri Slaby <jslaby@...e.cz>
> > > > > > Cc: Thomas Gleixner <tglx@...utronix.de>
> > > > > > Cc: Ingo Molnar <mingo@...hat.com>
> > > > > > Cc: "H. Peter Anvin" <hpa@...or.com>
> > > > > > Cc: x86@...nel.org
> > > > > > Cc: Josh Poimboeuf <jpoimboe@...hat.com>
> > > > > 
> > > > > Josh: an Acked-by or Reviewed-by for the whole series from you would be nice.
> > > > 
> > > > The patches look good, but I want to run it through some testing before
> > > > I give them an ACK.
> > 
> > For the series:
> > 
> > Acked-by: Josh Poimboeuf <jpoimboe@...hat.com>
> 
> Ingo,
> 
> Any chance this can make the next merge window?

Applied now - will push it out after testing.

Thanks,

	Ingo