From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matt Fleming Subject: Re: [PATCH v2] firmware: Do not use WARN_ON(!spin_is_locked()) Date: Thu, 14 Aug 2014 09:54:09 +0100 Message-ID: <20140814085409.GX15082@console-pimps.org> References: <1407954094-26126-1-git-send-email-linux@roeck-us.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1407954094-26126-1-git-send-email-linux@roeck-us.net> Sender: linux-kernel-owner@vger.kernel.org To: Guenter Roeck Cc: linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org, Matt Fleming List-Id: linux-efi@vger.kernel.org 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 > Signed-off-by: Guenter Roeck > --- > 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