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| author | Atsushi Nemoto <anemo@mba.ocn.ne.jp> | 2005-09-28 20:24:58 +0900 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2005-10-29 19:32:28 +0100 |
| commit | 9043f7e95d104795fcb03a2f762524babcd49da5 (patch) | |
| tree | cee4858eaee2579c061b3e8e52f88c557087d45b /arch/mips/mm/c-tx39.c | |
| parent | 9d58f302ca370c720fa47cb419f0b33eaa1a1132 (diff) | |
| download | op-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.c | 9 |
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) |
