Re: [patch V9 10/39] x86/entry: Provide helpers for execute on irqstack

From: Qian Cai
Date: Sat Jun 13 2020 - 17:43:43 EST


On Sat, Jun 13, 2020 at 04:03:02PM +0200, Thomas Gleixner wrote:
> Qian,
>
> Qian Cai <cai@xxxxxx> writes:
> > On Wed, Jun 10, 2020 at 09:38:56PM +0200, Thomas Gleixner wrote:
> >
> > Thomas, I get ahold of one of the affected systems now if you want some
> > testing there.
>
> git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/entry

Looks good.

<start>
# cat /sys/kernel/debug/stackdepot/info
Unique stacks: 27481
Depot index: 285
Depot offset: 3024

<after oom02>
# cat /sys/kernel/debug/stackdepot/info
Unique stacks: 29242
Depot index: 308
Depot offset: 6608

<after the full testsuite>
# cat /sys/kernel/debug/stackdepot/info
Unique stacks: 49221
Depot index: 530
Depot offset: 5888