diff options
author | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2007-11-26 17:40:01 -0500 |
---|---|---|
committer | Ralf Baechle <ralf@linux-mips.org> | 2008-01-29 05:14:57 -0500 |
commit | e9c33572a92aa2ee565da5136745ea304ac23d9a (patch) | |
tree | c2a56008c9205540438352363fbcfea593019741 /arch | |
parent | 87353d8ac39c52784da605ecbe965ecdfad609ad (diff) |
[MIPS] Use real cache invalidate
R10k non coherent machines need a real dma cache invalidate to get rid of
speculative stores in cache. For other machines this promises a slight
speedup.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/mips/mm/c-r4k.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index c91b59680695..06074948450d 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c | |||
@@ -589,7 +589,7 @@ static void r4k_dma_cache_inv(unsigned long addr, unsigned long size) | |||
589 | if (size >= scache_size) | 589 | if (size >= scache_size) |
590 | r4k_blast_scache(); | 590 | r4k_blast_scache(); |
591 | else | 591 | else |
592 | blast_scache_range(addr, addr + size); | 592 | blast_inv_scache_range(addr, addr + size); |
593 | return; | 593 | return; |
594 | } | 594 | } |
595 | 595 | ||
@@ -597,7 +597,7 @@ static void r4k_dma_cache_inv(unsigned long addr, unsigned long size) | |||
597 | r4k_blast_dcache(); | 597 | r4k_blast_dcache(); |
598 | } else { | 598 | } else { |
599 | R4600_HIT_CACHEOP_WAR_IMPL; | 599 | R4600_HIT_CACHEOP_WAR_IMPL; |
600 | blast_dcache_range(addr, addr + size); | 600 | blast_inv_dcache_range(addr, addr + size); |
601 | } | 601 | } |
602 | 602 | ||
603 | bc_inv(addr, size); | 603 | bc_inv(addr, size); |