[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <Y4idWUktk/R/cHE/@lorien.usersys.redhat.com>
Date: Thu, 1 Dec 2022 07:26:01 -0500
From: Phil Auld <pauld@...hat.com>
To: linux-kernel@...r.kernel.org
Cc: Thomas Gleixner <tglx@...utronix.de>,
Peter Zijlstra <peterz@...radead.org>,
Valentin Schneider <vschneid@...hat.com>,
Steven Price <steven.price@....com>,
Mark Rutland <mark.rutland@....com>,
Frederic Weisbecker <frederic@...nel.org>
Subject: Re: [PATCH v5 0/2] cpuhp: fix some st->target issues
On Thu, Nov 17, 2022 at 11:23:27AM -0500 Phil Auld wrote:
> Fix a few cpuhp related issues.
>
> The first prevents target_store() from calling cpu_down() when
> target == state which prevents the cpu being incorrectly marked
> as dying. The second just makes the boot cpu have a valid cpuhp
> target rather than 0 (CPU_OFFLINE) while being in state
> CPU_ONLINE.
>
> v3: Added code to make sure st->target == target in the nop case.
>
> v4: Use WARN_ON in the case where state == target but st->target does
> not.
>
> v5: Fixed lowercase on first patch title and cleaned up cover letter.
> Rebased on v6.1-rc5.
>
> Phil Auld (2):
> cpuhp: Make target_store() a nop when target == state
> cpuhp: Set cpuhp target for boot cpu
>
> cpu.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
Thanks for picking these up, Thomas!
Cheers,
Phil
> --
> 2.31.1
>
--
Powered by blists - more mailing lists