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| author | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
|---|---|---|
| committer | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
| commit | 97327692361306d1e6259021bc425e32832fdb50 (patch) | |
| tree | fe9088f3248ec61e24f404f21b9793cb644b7f01 /arch/arm/include/asm/switch_to.h | |
| parent | 2d05a8f663478a44e088d122e0d62109bbc801d0 (diff) | |
| parent | a3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff) | |
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dirty fix to merging
Diffstat (limited to 'arch/arm/include/asm/switch_to.h')
| -rw-r--r-- | arch/arm/include/asm/switch_to.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/include/asm/switch_to.h b/arch/arm/include/asm/switch_to.h new file mode 100644 index 00000000..fa09e6b4 --- /dev/null +++ b/arch/arm/include/asm/switch_to.h @@ -0,0 +1,18 @@ +#ifndef __ASM_ARM_SWITCH_TO_H +#define __ASM_ARM_SWITCH_TO_H + +#include <linux/thread_info.h> + +/* + * switch_to(prev, next) should switch from task `prev' to `next' + * `prev' will never be the same as `next'. schedule() itself + * contains the memory barrier to tell GCC not to cache `current'. + */ +extern struct task_struct *__switch_to(struct task_struct *, struct thread_info *, struct thread_info *); + +#define switch_to(prev,next,last) \ +do { \ + last = __switch_to(prev,task_thread_info(prev), task_thread_info(next)); \ +} while (0) + +#endif /* __ASM_ARM_SWITCH_TO_H */ |