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-rw-r--r--arch/mips/mm/tlb-r4k.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index 363aa0343bbe..427dcacca586 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -83,13 +83,19 @@ void local_flush_tlb_all(void)
entry = read_c0_wired();
/* Blast 'em all away. */
- while (entry < current_cpu_data.tlbsize) {
- /* Make sure all entries differ. */
- write_c0_entryhi(UNIQUE_ENTRYHI(entry));
- write_c0_index(entry);
+ if (cpu_has_tlbinv && current_cpu_data.tlbsize) {
+ write_c0_index(0);
mtc0_tlbw_hazard();
- tlb_write_indexed();
- entry++;
+ tlbinvf(); /* invalidate VTLB */
+ } else {
+ while (entry < current_cpu_data.tlbsize) {
+ /* Make sure all entries differ. */
+ write_c0_entryhi(UNIQUE_ENTRYHI(entry));
+ write_c0_index(entry);
+ mtc0_tlbw_hazard();
+ tlb_write_indexed();
+ entry++;
+ }
}
tlbw_use_hazard();
write_c0_entryhi(old_ctx);