Re: [PATCH v2] firmware: Do not use WARN_ON(!spin_is_locked())

From: Matt Fleming
Date: Thu Aug 14 2014 - 04:54:24 EST


On Wed, 13 Aug, at 11:21:34AM, Guenter Roeck wrote:
> spin_is_locked() always returns false for uniprocessor configurations
> in several architectures, so do not use WARN_ON with it.
> Use lockdep_assert_held() instead to also reduce overhead in
> non-debug kernels.
>
> Cc: Matt Fleming <matt.fleming@xxxxxxxxx>
> Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> ---
> v2: Use lockdep_assert_held instead of WARN_ON_SMP.
>
> drivers/firmware/efi/vars.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)

Thanks Guenter, applied!

--
Matt Fleming, Intel Open Source Technology Center
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