From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Martin Subject: Re: [PATCH 00/14] Fix issues with ARMv6+v6k+v7 kernels Date: Wed, 9 Feb 2011 09:48:26 +0000 Message-ID: References: <20110117192050.GE23331@n2100.arm.linux.org.uk> <0557426516de482c1769a50fa0b5f17a@mail.gmail.com> <20110208164747.GD6188@n2100.arm.linux.org.uk> <78d0134576ace6be5874871076cf0c10@mail.gmail.com> <20110209003537.GQ20795@atomide.com> <54f225541194205f01fe9f03b5110d16@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mail-ey0-f174.google.com ([209.85.215.174]:57036 "EHLO mail-ey0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753058Ab1BIJs2 convert rfc822-to-8bit (ORCPT ); Wed, 9 Feb 2011 04:48:28 -0500 Received: by eye27 with SMTP id 27so3481895eye.19 for ; Wed, 09 Feb 2011 01:48:26 -0800 (PST) In-Reply-To: <54f225541194205f01fe9f03b5110d16@mail.gmail.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Santosh Shilimkar Cc: Tony Lindgren , Nicolas Pitre , linux-omap@vger.kernel.org, Russell King - ARM Linux , linux-arm-kernel@lists.infradead.org On Wed, Feb 9, 2011 at 6:04 AM, Santosh Shilimkar wrote: >> -----Original Message----- >> From: linux-omap-owner@vger.kernel.org [mailto:linux-omap- >> owner@vger.kernel.org] On Behalf Of Tony Lindgren >> Sent: Wednesday, February 09, 2011 6:06 AM >> To: Nicolas Pitre >> Cc: Santosh Shilimkar; Russell King - ARM Linux; linux- >> omap@vger.kernel.org; linux-arm-kernel@lists.infradead.org >> Subject: Re: [PATCH 00/14] Fix issues with ARMv6+v6k+v7 kernels >> >> * Nicolas Pitre [110208 12:41]: >> > On Tue, 8 Feb 2011, Santosh Shilimkar wrote: >> > >> > > > I think it's probably going to be better to _purposely_ break >> the >> > > > OMAP build when it covers v6 and v7 CPUs in these kernels as I >> don't >> > > > think it's sanely fixable given where we are. >> > >> > Agreed. =A0At least making SMP unavailable when both v6 and v7 are >> > configured should be small and good enough for 2.6.38-rc5. >> >> That's probably the best solution as then we can still do boot >> testing on all omap2plus_defconfig boards. >> > Just to be clear, are we saying disable SMP from omap2plus build. > If the v6, v7 is not fixable then, we also need a SMP > config for OMAP. Just boot test with SMP disable config for > OMAP4 is not enough. You could also have a "v7+" unified kernel -- i.e., supporting OMAP3+4+= SMP. This is what we currently do in Linaro, since we're focusing on v7 and = above. Cheers ---Dave -- To unsubscribe from this list: send the line "unsubscribe linux-omap" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 From: dave.martin@linaro.org (Dave Martin) Date: Wed, 9 Feb 2011 09:48:26 +0000 Subject: [PATCH 00/14] Fix issues with ARMv6+v6k+v7 kernels In-Reply-To: <54f225541194205f01fe9f03b5110d16@mail.gmail.com> References: <20110117192050.GE23331@n2100.arm.linux.org.uk> <0557426516de482c1769a50fa0b5f17a@mail.gmail.com> <20110208164747.GD6188@n2100.arm.linux.org.uk> <78d0134576ace6be5874871076cf0c10@mail.gmail.com> <20110209003537.GQ20795@atomide.com> <54f225541194205f01fe9f03b5110d16@mail.gmail.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Feb 9, 2011 at 6:04 AM, Santosh Shilimkar wrote: >> -----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, February 09, 2011 6:06 AM >> To: Nicolas Pitre >> Cc: Santosh Shilimkar; Russell King - ARM Linux; linux- >> omap at vger.kernel.org; linux-arm-kernel at lists.infradead.org >> Subject: Re: [PATCH 00/14] Fix issues with ARMv6+v6k+v7 kernels >> >> * Nicolas Pitre [110208 12:41]: >> > On Tue, 8 Feb 2011, Santosh Shilimkar wrote: >> > >> > > > I think it's probably going to be better to _purposely_ break >> the >> > > > OMAP build when it covers v6 and v7 CPUs in these kernels as I >> don't >> > > > think it's sanely fixable given where we are. >> > >> > Agreed. ?At least making SMP unavailable when both v6 and v7 are >> > configured should be small and good enough for 2.6.38-rc5. >> >> That's probably the best solution as then we can still do boot >> testing on all omap2plus_defconfig boards. >> > Just to be clear, are we saying disable SMP from omap2plus build. > If the v6, v7 is not fixable then, we also need a SMP > config for OMAP. Just boot test with SMP disable config for > OMAP4 is not enough. You could also have a "v7+" unified kernel -- i.e., supporting OMAP3+4+SMP. This is what we currently do in Linaro, since we're focusing on v7 and above. Cheers ---Dave