lkml.org 
[lkml]   [2023]   [Sep]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH v2] lkdtm/bugs: add test for panic() with stuck secondary CPUs
Date
On Thu, 21 Sep 2023 17:16:34 +0100, Mark Rutland wrote:
> Upon a panic() the kernel will use either smp_send_stop() or
> crash_smp_send_stop() to attempt to stop secondary CPUs via an IPI,
> which may or may not be an NMI. Generally it's preferable that this is an
> NMI so that CPUs can be stopped in as many situations as possible, but
> it's not always possible to provide an NMI, and there are cases where
> CPUs may be unable to handle the NMI regardless.
>
> [...]

I added a line to tests.tst and applied this to for-next/hardening, thanks!

[1/1] lkdtm/bugs: add test for panic() with stuck secondary CPUs
https://git.kernel.org/kees/c/5fb07db970cf

Take care,

--
Kees Cook

\
 
 \ /
  Last update: 2023-09-23 05:55    [W:0.124 / U:0.328 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site