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authorAtsushi Nemoto <anemo@mba.ocn.ne.jp>2005-09-28 20:24:58 +0900
committerRalf Baechle <ralf@linux-mips.org>2005-10-29 19:32:28 +0100
commit9043f7e95d104795fcb03a2f762524babcd49da5 (patch)
treecee4858eaee2579c061b3e8e52f88c557087d45b /arch/mips/mm/c-tx39.c
parent9d58f302ca370c720fa47cb419f0b33eaa1a1132 (diff)
downloadop-kernel-dev-9043f7e95d104795fcb03a2f762524babcd49da5.zip
op-kernel-dev-9043f7e95d104795fcb03a2f762524babcd49da5.tar.gz
Sync c-tx39.c with c-r4k.c.
tx39_flush_cache_range() does nothing if !cpu_has_dc_aliases. It should flush d-cache and invalidate i-cache since the TX39(H2) has separate I/D cache. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/mm/c-tx39.c')
-rw-r--r--arch/mips/mm/c-tx39.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/mips/mm/c-tx39.c b/arch/mips/mm/c-tx39.c
index 56c3fcd..c3ba81d 100644
--- a/arch/mips/mm/c-tx39.c
+++ b/arch/mips/mm/c-tx39.c
@@ -167,15 +167,16 @@ static void tx39_flush_cache_mm(struct mm_struct *mm)
static void tx39_flush_cache_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end)
{
- struct mm_struct *mm = vma->vm_mm;
+ int exec;
- if (!cpu_has_dc_aliases)
+ if (!(cpu_context(smp_processor_id(), vma->vm_mm)))
return;
- if (cpu_context(smp_processor_id(), mm) != 0) {
+ exec = vma->vm_flags & VM_EXEC;
+ if (cpu_has_dc_aliases || exec)
tx39_blast_dcache();
+ if (exec)
tx39_blast_icache();
- }
}
static void tx39_flush_cache_page(struct vm_area_struct *vma, unsigned long page, unsigned long pfn)
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