[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>
diff --git a/include/asm-arm/mmu_context.h b/include/asm-arm/mmu_context.h
index 4af9c41..57b8def 100644
--- a/include/asm-arm/mmu_context.h
+++ b/include/asm-arm/mmu_context.h
@@ -86,7 +86,8 @@
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);
}
}