From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH] omap: Update omap3_defconfig to work with SMP_ON_UP Date: Tue, 14 Sep 2010 13:27:43 -0700 Message-ID: <20100914202743.GK8647@atomide.com> References: <20100817104414.19061.38999.stgit@baageli.muru.com> <20100906104413.GD20903@n2100.arm.linux.org.uk> <20100914185907.GG8647@atomide.com> <20100914190314.GH8647@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mho-02-ewr.mailhop.org ([204.13.248.72]:50598 "EHLO mho-02-ewr.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751819Ab0INU15 (ORCPT ); Tue, 14 Sep 2010 16:27:57 -0400 Content-Disposition: inline In-Reply-To: Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: "Shilimkar, Santosh" Cc: Russell King - ARM Linux , "linux-arm-kernel@lists.infradead.org" , "linux-omap@vger.kernel.org" , "bryan.wu@canonical.com" * Shilimkar, Santosh [100914 12:09]: > > -----Original Message----- > > From: linux-omap-owner@vger.kernel.org [mailto:linux-omap- > > owner@vger.kernel.org] On Behalf Of Tony Lindgren > > Sent: Wednesday, September 15, 2010 12:33 AM > > To: Russell King - ARM Linux > > Cc: linux-arm-kernel@lists.infradead.org; linux-omap@vger.kernel.org; > > bryan.wu@canonical.com > > Subject: [PATCH] omap: Update omap3_defconfig to work with SMP_ON_UP > > > > With the recent changes to core ARM kernel code, we can now > > boot SMP kernel on UP systems. Update omap3_defconfig to > > enable SMP. This allows us to remove omap_4430sdp_defconfig. > > > Not yet. > We still have some issues around Ethernet, bridge/syslink, > sensors but hopefully we should be able to fix those. > Will have a closer look at this and see if these can be > easily fixed. Sounds like you're having these problems anyways and they are not related to the defconfigs? Considering Linus' earlier comments on the defconfigs, I don't see any reasonds not to merge this patch. If TI wants to fix up some other things, there's still about two weeks before -rc6. > > In addition to enabling SMP, we also need to disable some > > options to make the system boot: > > > > - For some reason LOCK_STAT causes tons of > > WARNING: at mm/percpu-vm.c:320 pcpu_alloc+0x2fc/0x888() > > so disable it for now. > > > > - MUSB init fails for multi-omap, disable it for now. > > > > - LOCAL_TIMERS hangs on omap4, disable it for now. > > This is expected on omap4 ES1.0 and hence not enabled > in the omap_4430sdp_defconfig. Maybe add a check for ES1.0 there to the init then? Regards, Tony From mboxrd@z Thu Jan 1 00:00:00 1970 From: tony@atomide.com (Tony Lindgren) Date: Tue, 14 Sep 2010 13:27:43 -0700 Subject: [PATCH] omap: Update omap3_defconfig to work with SMP_ON_UP In-Reply-To: References: <20100817104414.19061.38999.stgit@baageli.muru.com> <20100906104413.GD20903@n2100.arm.linux.org.uk> <20100914185907.GG8647@atomide.com> <20100914190314.GH8647@atomide.com> Message-ID: <20100914202743.GK8647@atomide.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org * Shilimkar, Santosh [100914 12:09]: > > -----Original Message----- > > From: linux-omap-owner at vger.kernel.org [mailto:linux-omap- > > owner at vger.kernel.org] On Behalf Of Tony Lindgren > > Sent: Wednesday, September 15, 2010 12:33 AM > > To: Russell King - ARM Linux > > Cc: linux-arm-kernel at lists.infradead.org; linux-omap at vger.kernel.org; > > bryan.wu at canonical.com > > Subject: [PATCH] omap: Update omap3_defconfig to work with SMP_ON_UP > > > > With the recent changes to core ARM kernel code, we can now > > boot SMP kernel on UP systems. Update omap3_defconfig to > > enable SMP. This allows us to remove omap_4430sdp_defconfig. > > > Not yet. > We still have some issues around Ethernet, bridge/syslink, > sensors but hopefully we should be able to fix those. > Will have a closer look at this and see if these can be > easily fixed. Sounds like you're having these problems anyways and they are not related to the defconfigs? Considering Linus' earlier comments on the defconfigs, I don't see any reasonds not to merge this patch. If TI wants to fix up some other things, there's still about two weeks before -rc6. > > In addition to enabling SMP, we also need to disable some > > options to make the system boot: > > > > - For some reason LOCK_STAT causes tons of > > WARNING: at mm/percpu-vm.c:320 pcpu_alloc+0x2fc/0x888() > > so disable it for now. > > > > - MUSB init fails for multi-omap, disable it for now. > > > > - LOCAL_TIMERS hangs on omap4, disable it for now. > > This is expected on omap4 ES1.0 and hence not enabled > in the omap_4430sdp_defconfig. Maybe add a check for ES1.0 there to the init then? Regards, Tony