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| author | Kevin Hilman <khilman@linaro.org> | 2013-08-14 08:14:50 -0700 |
|---|---|---|
| committer | Kevin Hilman <khilman@linaro.org> | 2013-08-14 08:14:50 -0700 |
| commit | 080e3da4f4bf693ec59bd98eae3ee5bd5b1dd047 (patch) | |
| tree | 2a367e97dcffe9ced54ff71b03ab893a3248fdb4 /arch/powerpc/include/asm/switch_to.h | |
| parent | e91f24ae027a583f2faff84456fa2630144bfed8 (diff) | |
| parent | 39c41df9c1950fba0ee6a4e7a63be281e89fe437 (diff) | |
Merge branch 'zynq/dt' into next/dt
* zynq/dt: (1054 commits)
arm: zynq: dt: Set correct L2 ram latencies
+ v3.11-rc5
Conflicts:
arch/arm/Makefile
Diffstat (limited to 'arch/powerpc/include/asm/switch_to.h')
| -rw-r--r-- | arch/powerpc/include/asm/switch_to.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h index 49a13e0ef234..294c2cedcf7a 100644 --- a/arch/powerpc/include/asm/switch_to.h +++ b/arch/powerpc/include/asm/switch_to.h @@ -15,6 +15,15 @@ extern struct task_struct *__switch_to(struct task_struct *, struct thread_struct; extern struct task_struct *_switch(struct thread_struct *prev, struct thread_struct *next); +#ifdef CONFIG_PPC_BOOK3S_64 +static inline void save_tar(struct thread_struct *prev) +{ + if (cpu_has_feature(CPU_FTR_ARCH_207S)) + prev->tar = mfspr(SPRN_TAR); +} +#else +static inline void save_tar(struct thread_struct *prev) {} +#endif extern void giveup_fpu(struct task_struct *); extern void load_up_fpu(void); |