[ARM SMP] Do not clear cpu_vm_mask for VIPT caches

Since we do not invalidate TLBs/caches on MM switches, we should not clear the cpu_vm_mask for the CPU. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
git-mirror · Nov 3, 2005 · 7e5e6e9 · 7e5e6e9
1 parent 4a5f79e
commit 7e5e6e9
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/include/asm-arm/mmu_context.h b/include/asm-arm/mmu_context.h
@@ -86,7 +86,8 @@ switch_mm(struct mm_struct *prev, struct mm_struct *next,
 		cpu_set(cpu, next->cpu_vm_mask);
 		check_context(next);
 		cpu_switch_mm(next->pgd, next);
-		cpu_clear(cpu, prev->cpu_vm_mask);
+		if (cache_is_vivt())
+			cpu_clear(cpu, prev->cpu_vm_mask);
 	}
 }