[ARM] 4500/1: Add locking around the background L2x0 cache operations

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The background operations of the L2x0 cache controllers are aborted if
another operation is issued on the same or different core. This patch
protects the maintenance operation issuing/polling with a spinlock.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

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Catalin Marinas 2007-07-20 11:42:40 +01:00 • committed by Russell King

parent 13a63ab289

commit 0762097625

1 changed files with 6 additions and 0 deletions

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arch/arm/mm/cache-l2x0.c

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