From mboxrd@z Thu Jan 1 00:00:00 1970 From: mkl@pengutronix.de (Marc Kleine-Budde) Date: Wed, 17 Jul 2013 13:48:45 +0200 Subject: BUG: commit "ARM: Remove __ARCH_WANT_INTERRUPTS_ON_CTXSW on pre-ARMv6 CPUs" breaks armv5 with CONFIG_PREEMPT In-Reply-To: <20130717085139.GJ24642@n2100.arm.linux.org.uk> References: <20130620095705.GA18536@arm.com> <51C2D5EF.3040803@pengutronix.de> <20130620102856.GC18536@arm.com> <20130620111255.GD18536@arm.com> <51C2E917.9000708@pengutronix.de> <51C2EA04.4060701@pengutronix.de> <51C2EBCD.4070206@pengutronix.de> <51C42AE0.9070506@pengutronix.de> <20130621135219.GC4099@arm.com> <51E658AF.1090009@pengutronix.de> <20130717085139.GJ24642@n2100.arm.linux.org.uk> Message-ID: <51E6849D.7080505@pengutronix.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 07/17/2013 10:51 AM, Russell King - ARM Linux wrote: > On Wed, Jul 17, 2013 at 10:41:19AM +0200, Marc Kleine-Budde wrote: >> What happend to that patch? I cannot find it in v3.10.x nor in linus/master. > > Catalin sent it to me, and I didn't apply it because it's still racy. > > We have stateful context switches (due to cache clearing) and this does > nothing to solve the problem there. If we get preempted during the > cache clearing, things will still go wrong. Thanks for the update. > See: > > http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=7771/1 > > I've no idea what's happening about this. It looks to me like nothing > happened after Catalin's last comment there. Catalin, what's next? Marc -- Pengutronix e.K. | Marc Kleine-Budde | Industrial Linux Solutions | Phone: +49-231-2826-924 | Vertretung West/Dortmund | Fax: +49-5121-206917-5555 | Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de | -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 259 bytes Desc: OpenPGP digital signature URL: