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>
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_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)