lkml.org 
[lkml]   [2020]   [Jan]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH V2] x86/apic/msi: Plug non-maskable MSI affinity race
Date
Evan Green <evgreen@chromium.org> writes:
> On Fri, Jan 31, 2020 at 6:27 AM Thomas Gleixner <tglx@linutronix.de> wrote:
>> #1 is uninteresting and has no unintended side effects. #2 and #3 might
>> expose issues in device driver interrupt handlers which are not prepared to
>> handle a spurious interrupt correctly. This not a regression, it's just
>> exposing something which was already broken as spurious interrupts can
>> happen for a lot of reasons and all driver handlers need to be able to deal
>> with them.
>>
>> Reported-by: Evan Green <evgreen@chromium.org>
>> Debugged-by: Evan Green <evgreen@chromium.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
>
> Heh, thanks for the credit.

Thanks for the detective work and the persistance to convince me!

> Something weird happened on this line with your signoff, though.

Yeah. No idea how I fatfingered that.

> I've been running this on my system for a few hours with no issues
> (normal repro in <1 minute). So,
>
> Tested-by: Evan Green <evgreen@chromium.org>

Thanks for confirmation!

tglx

\
 
 \ /
  Last update: 2020-01-31 22:46    [W:0.923 / U:0.240 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site