| commit | 0eb948dd7f7c3cec37440c16a6c738c8e75efcda | |
| author | Russell King <rmk+kernel@arm.linux.org.uk> | |
| Thu, 19 Nov 2009 11:12:15 +0000 (19 11:12 +0000) | ||
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | |
| Mon, 14 Dec 2009 13:34:58 +0000 (14 13:34 +0000) | ||
| tree | 96ecc9b1a3b5326f7de82cd2055b448a7e43c9f8 | treesnapshot (tar.gz zip) |
| parent | 22763c5cf3690a681551162c15d34d935308c8d7 | commitdiff |
ARM: cache-l2x0: avoid taking spinlock for every iteration
Taking the spinlock for every iteration is very expensive; instead,
batch iterations up into 4K blocks, releasing and reacquiring the
spinlock between each block.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Taking the spinlock for every iteration is very expensive; instead,
batch iterations up into 4K blocks, releasing and reacquiring the
spinlock between each block.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
| arch/arm/mm/cache-l2x0.c | diffblobblamehistory |