Re: [PATCH 08/12] x86/dumpstack: Pin the target stack in save_stack_trace_tsk()

From: Josh Poimboeuf
Date: Wed Sep 14 2016 - 14:35:10 EST


On Wed, Sep 14, 2016 at 11:22:00AM -0700, Andy Lutomirski wrote:
> On Wed, Sep 14, 2016 at 7:55 AM, Josh Poimboeuf <jpoimboe@xxxxxxxxxx> wrote:
> > On Tue, Sep 13, 2016 at 02:29:28PM -0700, Andy Lutomirski wrote:
> >> This will prevent a crash if the target task dies before or while
> >> dumping its stack once we start freeing task stacks early.
> >>
> >> Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>
> >
> > Do we need a similar patch for show_stack()?
>
> Probably. Shouldn't it go in show_stack_log_lvl() instead, though?

Yeah, that would probably be better.

--
Josh