From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [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 [thread overview]
Message-ID: <6893071.4YhqEbdaBz@wuerfel> (raw)
In-Reply-To: <20141028140231.GE27405@n2100.arm.linux.org.uk>
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
next prev parent reply other threads:[~2014-10-28 14:24 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-28 13:31 [PATCH v2 0/5] ARM: get a strict multiplatform kernel that can run on any hardware Xia Kaixu
2014-10-28 13:31 ` [PATCH v2 1/5] ARM: introduce a CONFIG_ARCH_MULTIPLATFORM_STRICT Kconfig option Xia Kaixu
2014-10-28 14:18 ` Arnd Bergmann
2014-10-28 14:21 ` Russell King - ARM Linux
2014-10-28 13:31 ` [PATCH v2 2/5] ARM: change the corresponding arm/mach defconfigs Xia Kaixu
2014-10-28 13:31 ` [PATCH v2 3/5] ARM: restrict CPU_BIG_ENDIAN configuration option Xia Kaixu
2014-10-28 14:00 ` Russell King - ARM Linux
2014-10-28 14:37 ` Arnd Bergmann
2014-10-28 14:53 ` Russell King - ARM Linux
2014-10-28 16:03 ` Arnd Bergmann
2014-10-28 13:31 ` [PATCH v2 4/5] ARM: allow errata and XIP options to be enabled without ARCH_MULTIPLATFORM_STRICT Xia Kaixu
2014-10-28 14:02 ` Russell King - ARM Linux
2014-10-28 14:24 ` Arnd Bergmann [this message]
2014-10-28 14:31 ` Russell King - ARM Linux
2014-10-28 14:50 ` Arnd Bergmann
2014-10-28 15:05 ` Russell King - ARM Linux
2014-10-28 15:32 ` Arnd Bergmann
2014-10-28 13:31 ` [PATCH v2 5/5] ARM: use early console instead of early debug in allmodconfig kernels Xia Kaixu
2014-10-28 14:05 ` Russell King - ARM Linux
2014-10-28 14:29 ` Arnd Bergmann
2014-10-28 14:35 ` Russell King - ARM Linux
2014-10-28 15:01 ` Arnd Bergmann
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