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[ARM] 5487/1: ARM errata: Stale prediction on replaced interworking branch
authorCatalin Marinas <catalin.marinas@arm.com>
Thu, 30 Apr 2009 16:06:09 +0000 (17:06 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Thu, 30 Apr 2009 19:12:50 +0000 (20:12 +0100)
commit7ce236fcd6fd45b0441a2d49acb2ceb2de2e8a47
tree1f092413fbe0c91350e7861638dec7bb475c8435tree | snapshot
parent9cba3ccc8fe77b67aff2db8f5827d7cb752ce11fcommit | diff
[ARM] 5487/1: ARM errata: Stale prediction on replaced interworking branch

This patch adds the workaround for the 430973 Cortex-A8 (r1p0..r1p2)
erratum. The BTAC/BTB is now flushed at every context switch.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/Kconfig diff | blob | history
arch/arm/mm/proc-v7.S diff | blob | history
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