On Tue, Dec 20, 2016 at 10:39:16AM +0100, Petr Mladek wrote:
> On Mon 2016-12-19 11:25:49, Josh Poimboeuf wrote:
> > 3) probably some kind of runtime NMI stack checking feature to
> >complement objtool, along with a lot of burn time to ensure there are
> >no issues, particularly in entry co
On Mon 2016-12-19 11:25:49, Josh Poimboeuf wrote:
> On Mon, Dec 19, 2016 at 05:25:19PM +0100, Miroslav Benes wrote:
> > On Thu, 8 Dec 2016, Josh Poimboeuf wrote:
> >
> > > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> > > index 215612c..b4a6663 100644
> > > --- a/arch/x86/Kconfig
> > > +++ b/
On Mon, 19 Dec 2016, Josh Poimboeuf wrote:
> On Mon, Dec 19, 2016 at 05:25:19PM +0100, Miroslav Benes wrote:
> > On Thu, 8 Dec 2016, Josh Poimboeuf wrote:
> >
> > > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> > > index 215612c..b4a6663 100644
> > > --- a/arch/x86/Kconfig
> > > +++ b/arch/x
On Mon, Dec 19, 2016 at 05:25:19PM +0100, Miroslav Benes wrote:
> On Thu, 8 Dec 2016, Josh Poimboeuf wrote:
>
> > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> > index 215612c..b4a6663 100644
> > --- a/arch/x86/Kconfig
> > +++ b/arch/x86/Kconfig
> > @@ -155,6 +155,7 @@ config X86
> > sele
On Thu, 8 Dec 2016, Josh Poimboeuf wrote:
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 215612c..b4a6663 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -155,6 +155,7 @@ config X86
> select HAVE_PERF_REGS
> select HAVE_PERF_USER_STACK_DUMP
> select HAVE
On Fri, Dec 16, 2016 at 02:07:39PM +0100, Petr Mladek wrote:
> On Thu 2016-12-08 12:08:26, Josh Poimboeuf wrote:
> > For live patching and possibly other use cases, a stack trace is only
> > useful if it can be assured that it's completely reliable. Add a new
> > save_stack_trace_tsk_reliable() fu
On Thu 2016-12-08 12:08:26, Josh Poimboeuf wrote:
> For live patching and possibly other use cases, a stack trace is only
> useful if it can be assured that it's completely reliable. Add a new
> save_stack_trace_tsk_reliable() function to achieve that.
>
> Scenarios which indicate that a stack tr
For live patching and possibly other use cases, a stack trace is only
useful if it can be assured that it's completely reliable. Add a new
save_stack_trace_tsk_reliable() function to achieve that.
Scenarios which indicate that a stack trace may be unreliable:
- running task
- interrupt stack
- p
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