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authorIngo Molnar <mingo@elte.hu>2008-11-11 09:16:20 +0100
committerIngo Molnar <mingo@elte.hu>2008-11-11 09:16:20 +0100
commit45b86a96f17cb2900f291129b0e67287400e45b2 (patch)
treef7968bf36e3947ee42251f7eebc6ea5f24aca202 /arch/arm/mm/cache-xsc3l2.c
parent072ba49838b42c873c496d72c91bb237914cf3b6 (diff)
parent4143c5cb36331155a1823af8b3a8c761a59fed71 (diff)
Merge branch 'devel' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into tracing/urgent
Diffstat (limited to 'arch/arm/mm/cache-xsc3l2.c')
-rw-r--r--arch/arm/mm/cache-xsc3l2.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/mm/cache-xsc3l2.c b/arch/arm/mm/cache-xsc3l2.c
index 10b1bae1a25..464de893a98 100644
--- a/arch/arm/mm/cache-xsc3l2.c
+++ b/arch/arm/mm/cache-xsc3l2.c
@@ -98,7 +98,7 @@ static void xsc3_l2_inv_range(unsigned long start, unsigned long end)
/*
* Clean and invalidate partial last cache line.
*/
- if (end & (CACHE_LINE_SIZE - 1)) {
+ if (start < end && (end & (CACHE_LINE_SIZE - 1))) {
xsc3_l2_clean_pa(end & ~(CACHE_LINE_SIZE - 1));
xsc3_l2_inv_pa(end & ~(CACHE_LINE_SIZE - 1));
end &= ~(CACHE_LINE_SIZE - 1);
@@ -107,7 +107,7 @@ static void xsc3_l2_inv_range(unsigned long start, unsigned long end)
/*
* Invalidate all full cache lines between 'start' and 'end'.
*/
- while (start != end) {
+ while (start < end) {
xsc3_l2_inv_pa(start);
start += CACHE_LINE_SIZE;
}