From mboxrd@z Thu Jan 1 00:00:00 1970 From: arnd@arndb.de (Arnd Bergmann) Date: Tue, 28 Oct 2014 15:24:38 +0100 Subject: [PATCH v2 4/5] ARM: allow errata and XIP options to be enabled without ARCH_MULTIPLATFORM_STRICT In-Reply-To: <20141028140231.GE27405@n2100.arm.linux.org.uk> References: <1414503095-25986-1-git-send-email-kaixu.xia@linaro.org> <1414503095-25986-5-git-send-email-kaixu.xia@linaro.org> <20141028140231.GE27405@n2100.arm.linux.org.uk> Message-ID: <6893071.4YhqEbdaBz@wuerfel> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tuesday 28 October 2014 14:02:31 Russell King - ARM Linux wrote: > On Tue, Oct 28, 2014 at 09:31:34PM +0800, Xia Kaixu wrote: > > With the ARCH_MULTIPLATFORM_STRICT option, it becomes much easier to > > enable the ERRATA options when we know at configuration time that we > > don't care about the generic case. The previous configuration makes > > XIP_KERNEL option fundamentally non-MULTIPLATFORM, but it's still > > valid to select it when building for !ARCH_MULTIPLATFORM_STRICT and > > selecting only the one machine that you want to run on. > > XIP_KERNEL isn't supported on anything past ARMv5 though. I would really like to get some of the platforms that currently use XIP_KERNEL to use ARCH_MULTIPLATFORM in the long run. One of them is EFM32, which is ARMv7-M. > I don't like the case for errata though - we want these errata to be > handled by the board firmware, not by the kernel, and we don't want > to make it any easier for people to ignore that fact. Ok, fair enough. Arnd