From: Arnd Bergmann <arnd@arndb.de>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: Xia Kaixu <kaixu.xia@linaro.org>, arm@kernel.org,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 4/5] ARM: allow errata and XIP options to be enabled without ARCH_MULTIPLATFORM_STRICT
Date: Tue, 28 Oct 2014 15:24:38 +0100
Message-ID: <6893071.4YhqEbdaBz@wuerfel>
User-Agent: KMail/4.11.5 (Linux/3.16.0-10-generic; KDE/4.11.5; x86_64; ; )
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>
MIME-Version: 1.0
Content-Transfer-Encoding: 7Bit
Content-Type: text/plain; charset="us-ascii"
Sender: linux-kernel-owner@vger.kernel.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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/