Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932178Ab2JVS7m (ORCPT ); Mon, 22 Oct 2012 14:59:42 -0400 Received: from mail-ea0-f174.google.com ([209.85.215.174]:45271 "EHLO mail-ea0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932079Ab2JVS7l (ORCPT ); Mon, 22 Oct 2012 14:59:41 -0400 MIME-Version: 1.0 In-Reply-To: References: From: Bryan Wu Date: Mon, 22 Oct 2012 11:59:19 -0700 Message-ID: Subject: Re: [PATCH] ledtrig-cpu: use spin_lock to replace mutex lock To: Linus Walleij , "Rafael J. Wysocki" , Miles Lane Cc: akpm , Linux LED Subsystem , lkml Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1186 Lines: 38 Hiya, Can I get some Acked or Tested-by from Rafael or Miles before I put it in my linux-leds tree? Thanks, -Bryan On Thu, Oct 18, 2012 at 12:34 PM, Bryan Wu wrote: > On Thu, Oct 18, 2012 at 11:35 AM, Linus Walleij > wrote: >> On Thu, Oct 18, 2012 at 8:18 PM, Bryan Wu wrote: >> >>> Mutex lock is not safe in atomic context like the bug reported by >>> Miles Lane: >> (...) >>> This patch replace mutex lock with spin lock which is safe for this case. >>> >>> Reported-by: Miles Lane >>> Reported-by: Rafael J. Wysocki >>> Cc: Linus Walleij >>> Signed-off-by: Bryan Wu >> >> Looks correct to me: >> Acked-by: Linus Walleij >> > > Thanks, Linus. > > Miles, could you please help to try this patch on your testing system? > I really appreciate it. > > -Bryan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/