lkml.org 
[lkml]   [2022]   [Aug]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: ftrace regression with CONFIG_UNWINDER_FRAME_POINTER
On Mon, Aug 15, 2022 at 04:06:46PM -0400, Steven Rostedt wrote:
> On Mon, 15 Aug 2022 12:58:28 -0700
> Johannes Erdfelt <johannes@erdfelt.com> wrote:
>
> > I recently ran across an oops with ftrace when using the frame pointer
> > unwinder. It does not affect Linus' tree (tested 6.0-rc1), but it does
> > affect 5.15.60 and 5.10.136 (at least, have not tested other kernels).
> >
> > It appears to be related to the recently merged retbleed mitigations,
>
> If you believe this, then Cc those that are involved with those
> mitigations, which I did.

Sounds like this one:

https://lore.kernel.org/all/Yu2H%2FRdg%2FU4bHWaY@quatroqueijos/

--
Regards/Gruss,
Boris.

https://people.kernel.org/tglx/notes-about-netiquette

\
 
 \ /
  Last update: 2022-08-16 01:58    [W:0.095 / U:1.164 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site