linux-kernel - Re: [PATCH] powerpc/64s: watchdog false positive warning at CPU unplug

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Message-ID: <87zicppz0k.fsf@concordia.ellerman.id.au>
Date:   Fri, 30 Jun 2017 20:10:03 +1000
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Nicholas Piggin <npiggin@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     Don Zickus <dzickus@...hat.com>, linuxppc-dev@...ts.ozlabs.org,
        santosiv@...ibm.com, linux-kernel@...r.kernel.org,
        Nicholas Piggin <npiggin@...il.com>
Subject: Re: [PATCH] powerpc/64s: watchdog false positive warning at CPU unplug

Nicholas Piggin <npiggin@...il.com> writes:

> CPU unplug will call stop_wd_on_cpu regardless if the watchdog has
> been configured to be enabled on that CPU. Don't warn in the case
> it's not in our enabled mask, this is a valid case.
>
> Fixes: powerpc-64s-implement-arch-specific-hardlockup-watchdog.patch
> Reported-by: Santosh Sivaraj <santosiv@...ibm.com>
> Signed-off-by: Nicholas Piggin <npiggin@...il.com>
> ---
>  arch/powerpc/kernel/watchdog.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)

Acked-by: Michael Ellerman <mpe@...erman.id.au>

cheers