From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: I-cache/D-cache inconsistency issue with page cache
Date: Sat, 24 Sep 2011 11:12:31 +0100 [thread overview]
Message-ID: <20110924101231.GD17169@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <20110924100701.GA5908@glandium.org>
On Sat, Sep 24, 2011 at 12:07:01PM +0200, Mike Hommey wrote:
> This has been seen on tegra boards under Ubuntu Maverick
> (2.6.35.7.something) and under Android (2.6.32.9.something) and on the Asus
> Transformer (Android, 2.6.36.3.something). All Cortex-A9 tegras. It has
> *not* been reproduced on pandaboards (Cortex-A9 OMAP4430).
Ah, your kernels are probably too old.
You need to ensure that you have at least 6012191 (ARM: 6380/1:
Introduce __sync_icache_dcache() for VIPT caches) and 85848dd (ARM:
6381/1: Use lazy cache flushing on ARMv7 SMP systems). Note that both
these depend on some preceding patches too.
next prev parent reply other threads:[~2011-09-24 10:12 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-23 11:57 I-cache/D-cache inconsistency issue with page cache Mike Hommey
2011-09-23 19:39 ` Russell King - ARM Linux
2011-09-24 9:35 ` Mike Hommey
2011-09-24 9:47 ` Russell King - ARM Linux
2011-09-24 10:07 ` Mike Hommey
2011-09-24 10:12 ` Russell King - ARM Linux [this message]
2011-09-25 9:51 ` Catalin Marinas
2011-09-25 10:34 ` Russell King - ARM Linux
2011-09-25 15:26 ` Catalin Marinas
2011-09-25 19:30 ` Russell King - ARM Linux
2011-09-24 10:14 ` Siarhei Siamashka
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