From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kevin Hilman Subject: Re: [PATCH] OMAP3: PM: remove save/restore of exception handler state Date: Wed, 20 May 2009 09:12:25 -0700 Message-ID: <87d4a3rbx2.fsf@deeprootsystems.com> References: <1242753878-28325-1-git-send-email-khilman@deeprootsystems.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from wf-out-1314.google.com ([209.85.200.174]:37999 "EHLO wf-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755477AbZETQM0 (ORCPT ); Wed, 20 May 2009 12:12:26 -0400 Received: by wf-out-1314.google.com with SMTP id 26so178199wfd.4 for ; Wed, 20 May 2009 09:12:28 -0700 (PDT) In-Reply-To: <1242753878-28325-1-git-send-email-khilman@deeprootsystems.com> (Kevin Hilman's message of "Tue\, 19 May 2009 10\:24\:38 -0700") Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: linux-omap@vger.kernel.org Kevin Hilman writes: > The exception handler state for the various modes of the processor > (FIQ, IRQ, ABORT, UNDEF, SYSTEM) does not need a full context > save/restore. Only the stack pointers for the used modes need a > save/restore and this is done already in the ARM-generic cpu_init() > function. > > So, this patch drops the full save/restore and calls cpu_init() > immiediately after returning from SRAM. > > Signed-off-by: Kevin Hilman Pushing to the PM branch. Kevin