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| author | David S. Miller <davem@davemloft.net> | 2013-08-03 21:36:46 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-08-03 21:36:46 -0700 |
| commit | 0e76a3a587fc7abda2badf249053b427baad255e (patch) | |
| tree | 646a1da67dc25654552028225ca4b7a0a8043cc9 /arch/arm/include/asm/virt.h | |
| parent | fba3679d34511c42bf452e89dda457a1219eb43a (diff) | |
| parent | 72a67a94bcba71a5fddd6b3596a20604d2b5dcd6 (diff) | |
| download | linux-rt-0e76a3a587fc7abda2badf249053b427baad255e.tar.gz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Merge net into net-next to setup some infrastructure Eric
Dumazet needs for usbnet changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/arm/include/asm/virt.h')
| -rw-r--r-- | arch/arm/include/asm/virt.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/include/asm/virt.h b/arch/arm/include/asm/virt.h index 50af92bac737..4371f45c5784 100644 --- a/arch/arm/include/asm/virt.h +++ b/arch/arm/include/asm/virt.h @@ -29,6 +29,7 @@ #define BOOT_CPU_MODE_MISMATCH PSR_N_BIT #ifndef __ASSEMBLY__ +#include <asm/cacheflush.h> #ifdef CONFIG_ARM_VIRT_EXT /* @@ -41,10 +42,21 @@ */ extern int __boot_cpu_mode; +static inline void sync_boot_mode(void) +{ + /* + * As secondaries write to __boot_cpu_mode with caches disabled, we + * must flush the corresponding cache entries to ensure the visibility + * of their writes. + */ + sync_cache_r(&__boot_cpu_mode); +} + void __hyp_set_vectors(unsigned long phys_vector_base); unsigned long __hyp_get_vectors(void); #else #define __boot_cpu_mode (SVC_MODE) +#define sync_boot_mode() #endif #ifndef ZIMAGE |