linux-kernel - Re: [PATCH v2] firmware: Do not use WARN_ON(!spin_is

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Date:	Thu, 14 Aug 2014 09:54:09 +0100
From:	Matt Fleming <matt@...sole-pimps.org>
To:	Guenter Roeck <linux@...ck-us.net>
Cc:	linux-efi@...r.kernel.org, linux-kernel@...r.kernel.org,
	Matt Fleming <matt.fleming@...el.com>
Subject: Re: [PATCH v2] firmware: Do not use WARN_ON(!spin_is_locked())

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@...el.com>
> Signed-off-by: Guenter Roeck <linux@...ck-us.net>
> ---
> 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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