From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Tue, 10 Dec 2013 11:27:02 -0800 From: Greg Kroah-Hartman To: Heiko =?iso-8859-1?Q?St=FCbner?= Cc: Pavel Machek , linux-kernel@vger.kernel.org, stable@vger.kernel.org, Laxman Dewangan , ian.campbell@citrix.com, rjw@rjwysocki.net, len.brown@intel.com, Thomas Gleixner Subject: Re: [PATCH 3.12 46/62] irq: Enable all irqs unconditionally in irq_resume Message-ID: <20131210192702.GC8075@kroah.com> References: <20131210080057.415644748@linuxfoundation.org> <20131210090113.GA22756@amd.pavel.ucw.cz> <20131210090847.GA4600@kroah.com> <201312101352.53714.heiko@sntech.de> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <201312101352.53714.heiko@sntech.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: On Tue, Dec 10, 2013 at 01:52:53PM +0100, Heiko St�bner wrote: > Am Dienstag, 10. Dezember 2013, 10:08:47 schrieb Greg Kroah-Hartman: > > On Tue, Dec 10, 2013 at 10:01:13AM +0100, Pavel Machek wrote: > > > Hi! > > > > > > > 3.12-stable review patch. If anyone has any objections, please let > > > > > > > > me know. > > > > > > Objections... well... I'm not sure if it meets stable criteria. In > > > particular, I don't think it was ever demonstrated as having bad > > > effect on the users. > > > > Well, I'm guessing someone on the cc: here wanted it in stable@, so I'll > > let them speak up as to why... > > As for bad effects on users ... any suspend_noirq callback returning an error > and thus aborting the suspend will cause the error fixed by this, as the > early-irqs won't get reenabled in the suspend-rollback [due to the syscore_ops > doing their resume never being run]. > > You could for example lose keys connected thru the gpio-keys driver until the > next reboot. > > And it seems at least Laxman and myself were affected by it. So, to be clear, this patch fixes a problem on your machines, right? thanks, greg k-h