From mboxrd@z Thu Jan 1 00:00:00 1970 From: Santosh Shilimkar Subject: RE: [PATCH 00/14] Fix issues with ARMv6+v6k+v7 kernels Date: Wed, 9 Feb 2011 15:30:36 +0530 Message-ID: <80a27c86473cf29a9fa5e68aa29eef46@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> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from na3sys009aog106.obsmtp.com ([74.125.149.77]:54559 "EHLO na3sys009aog106.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753463Ab1BIKA5 convert rfc822-to-8bit (ORCPT ); Wed, 9 Feb 2011 05:00:57 -0500 Received: by wwj40 with SMTP id 40so7226445wwj.15 for ; Wed, 09 Feb 2011 02:00:55 -0800 (PST) In-Reply-To: Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Dave Martin , Tony Lindgren Cc: Nicolas Pitre , linux-omap@vger.kernel.org, Russell King - ARM Linux , linux-arm-kernel@lists.infradead.org > -----Original Message----- > From: Dave Martin [mailto:dave.martin@linaro.org] > Sent: Wednesday, February 09, 2011 3:18 PM > To: Santosh Shilimkar > Cc: Tony Lindgren; Nicolas Pitre; linux-omap@vger.kernel.org; > Russell King - ARM Linux; linux-arm-kernel@lists.infradead.org > Subject: Re: [PATCH 00/14] Fix issues with ARMv6+v6k+v7 kernels > > 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. > This sounds good way forward considering future OMAP architectures as well. But I let Tony comment on this idea. Regards, Santosh -- 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: santosh.shilimkar@ti.com (Santosh Shilimkar) Date: Wed, 9 Feb 2011 15:30:36 +0530 Subject: [PATCH 00/14] Fix issues with ARMv6+v6k+v7 kernels In-Reply-To: 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: <80a27c86473cf29a9fa5e68aa29eef46@mail.gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org > -----Original Message----- > From: Dave Martin [mailto:dave.martin at linaro.org] > Sent: Wednesday, February 09, 2011 3:18 PM > To: Santosh Shilimkar > Cc: Tony Lindgren; Nicolas Pitre; linux-omap at vger.kernel.org; > Russell King - ARM Linux; linux-arm-kernel at lists.infradead.org > Subject: Re: [PATCH 00/14] Fix issues with ARMv6+v6k+v7 kernels > > 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. > This sounds good way forward considering future OMAP architectures as well. But I let Tony comment on this idea. Regards, Santosh