From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: [PATCH 2/2] asm-generic: Don't warn that atomic_t is only 24 bit Date: Wed, 28 Apr 2010 15:33:29 +0200 Message-ID: <201004281533.29327.arnd@arndb.de> References: <1272451837-17961-1-git-send-email-peter.fritzsche@gmx.de> <1272453036-18670-1-git-send-email-peter.fritzsche@gmx.de> Mime-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Return-path: Received: from moutng.kundenserver.de ([212.227.126.186]:50341 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752095Ab0D1Ndf (ORCPT ); Wed, 28 Apr 2010 09:33:35 -0400 In-Reply-To: <1272453036-18670-1-git-send-email-peter.fritzsche@gmx.de> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Peter Fritzsche Cc: Ingo Molnar , Andrew Morton , Heiko Carstens , Mathieu Desnoyers , linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, Keith M Wesolowski On Wednesday 28 April 2010, Peter Fritzsche wrote: > 32-bit Sparc used to only allow usage of 24-bit of it's atomic_t type. > This was corrected with linux 2.6.3 when Keith M Wesolowski changed the > implementation to use the parisc approach of having an array of > spinlocks to protect the atomic_t. > > These warnings were also removed from the sparc implementation when the > new implementation was merged in BKrev:402e4949VThdc6D3iaosSFUgabMfvw, > but the warning still remained in some other places without any > 24-bit-only atomic_t implementation inside the kernel. > > We should remove these warnings to allow users to rely on the full > 32-bit range of atomic_t. > > Signed-off-by: Peter Fritzsche Acked-by: Arnd Bergmann