diff options
| author | David Howells <dhowells@redhat.com> | 2012-03-28 18:30:01 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2012-03-28 18:30:01 +0100 |
| commit | 9f97da78bf018206fb623cd351d454af2f105fe0 (patch) | |
| tree | 509971bf0d93f56d7ad182bdad3c89886f7ce675 /arch/arm/include/asm/mmu.h | |
| parent | 15d07dc9c59eae51219c40253bdf920f62bb10f2 (diff) | |
Disintegrate asm/system.h for ARM
Disintegrate asm/system.h for ARM.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Russell King <linux@arm.linux.org.uk>
cc: linux-arm-kernel@lists.infradead.org
Diffstat (limited to 'arch/arm/include/asm/mmu.h')
| -rw-r--r-- | arch/arm/include/asm/mmu.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/include/asm/mmu.h b/arch/arm/include/asm/mmu.h index 14965658a92..b8e580a297e 100644 --- a/arch/arm/include/asm/mmu.h +++ b/arch/arm/include/asm/mmu.h @@ -34,4 +34,11 @@ typedef struct { #endif +/* + * switch_mm() may do a full cache flush over the context switch, + * so enable interrupts over the context switch to avoid high + * latency. + */ +#define __ARCH_WANT_INTERRUPTS_ON_CTXSW + #endif |