linux-kernel - Re: [PATCH 6/6] x86/dumpstack: allow preemption in show_stack_log_lvl() and dump

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Date:   Thu, 8 Sep 2016 16:47:48 -0500
From:   Josh Poimboeuf <jpoimboe@...hat.com>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        "H . Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org,
        Andy Lutomirski <luto@...capital.net>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Brian Gerst <brgerst@...il.com>,
        Kees Cook <keescook@...omium.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Frederic Weisbecker <fweisbec@...il.com>,
        Byungchul Park <byungchul.park@....com>,
        Nilay Vaish <nilayvaish@...il.com>
Subject: Re: [PATCH 6/6] x86/dumpstack: allow preemption in
 show_stack_log_lvl() and dump_trace()

On Thu, Sep 08, 2016 at 09:04:01AM +0200, Ingo Molnar wrote:
> 
> * Josh Poimboeuf <jpoimboe@...hat.com> wrote:
> 
> >  arch/x86/kernel/dumpstack_32.c | 14 ++++++--------
> 
> > --- a/arch/x86/kernel/dumpstack_32.c
> > +++ b/arch/x86/kernel/dumpstack_32.c
> 
> > +static void *is_softirq_stack(unsigned long *stack);
> >  {
> 
> FYI, this bit clearly wasn't build tested on 32-bit even once - I'm skipping this 
> patch.

Argh, sorry about that.  I did a lot of testing on 32-bit with this
patch before.  I guess I goofed somehow when I split up the patches.

-- 
Josh