| Message ID | 1416481692-23764-1-git-send-email-js07.lee@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index 265b836..34b66af 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c @@ -33,7 +33,7 @@ static void flush_pfn_alias(unsigned long pfn, unsigned long vaddr) asm( "mcrr p15, 0, %1, %0, c14\n" " mcr p15, 0, %2, c7, c10, 4" : - : "r" (to), "r" (to + PAGE_SIZE - L1_CACHE_BYTES), "r" (zero) + : "r" (to), "r" (to + PAGE_SIZE - 1), "r" (zero) : "cc"); }
L1_CACHE_BYTES could be larger than real L1 cache line size. In that case, flush_pfn_alias function would omit to flush last bytes as much as L1_CACHE_BYTES - real cache line size. So fix end address to "to + PAGE_SIZE - 1". The bottom bits of the address is LINELEN. that is ignored by mcrr. Signed-off-by: Jungseung Lee <js07.lee@gmail.com> --- arch/arm/mm/flush.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)