From: Will Deacon Date: Tue, 14 Sep 2010 08:53:02 +0000 (+0100) Subject: ARM: 6389/1: errata: incorrect hazard handling in the SCU may lead to data corruption X-Git-Tag: v2.6.36-rc6~11^2~14 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a672e99b129e286df2e2697a1b603d82321117f3;p=pandora-kernel.git ARM: 6389/1: errata: incorrect hazard handling in the SCU may lead to data corruption On the r2p0, r2p1 and r2p2 versions of the Cortex-A9, data corruption can occur if a shared cache line is replaced on one CPU as another CPU is accessing it. This workaround sets two bits in the diagnostic register of the Cortex-A9, reducing the linefill issuing capabilities of the processor and avoiding the erroneous behaviour. Acked-by: Catalin Marinas Signed-off-by: Will Deacon Signed-off-by: Russell King --- Reading git-diff-tree failed