diff options
Diffstat (limited to 'arch/powerpc/include/asm')
| -rw-r--r-- | arch/powerpc/include/asm/reg.h | 8 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/switch_to.h | 7 |
2 files changed, 15 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index 11a81bd5dabd..52ed654d01ba 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -75,6 +75,14 @@ #define MSR_HV 0 #endif +/* + * To be used in shared book E/book S, this avoids needing to worry about + * book S/book E in shared code + */ +#ifndef MSR_SPE +#define MSR_SPE 0 +#endif + #define MSR_VEC __MASK(MSR_VEC_LG) /* Enable AltiVec */ #define MSR_VSX __MASK(MSR_VSX_LG) /* Enable VSX */ #define MSR_POW __MASK(MSR_POW_LG) /* Enable Power Management */ diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h index 5b268b6be74c..3690041c126a 100644 --- a/arch/powerpc/include/asm/switch_to.h +++ b/arch/powerpc/include/asm/switch_to.h @@ -34,6 +34,7 @@ static inline void disable_kernel_fp(void) msr_check_and_clear(MSR_FP); } #else +static inline void __giveup_fpu(struct task_struct *t) { } static inline void flush_fp_to_thread(struct task_struct *t) { } #endif @@ -46,6 +47,8 @@ static inline void disable_kernel_altivec(void) { msr_check_and_clear(MSR_VEC); } +#else +static inline void __giveup_altivec(struct task_struct *t) { } #endif #ifdef CONFIG_VSX @@ -57,6 +60,8 @@ static inline void disable_kernel_vsx(void) { msr_check_and_clear(MSR_FP|MSR_VEC|MSR_VSX); } +#else +static inline void __giveup_vsx(struct task_struct *t) { } #endif #ifdef CONFIG_SPE @@ -68,6 +73,8 @@ static inline void disable_kernel_spe(void) { msr_check_and_clear(MSR_SPE); } +#else +static inline void __giveup_spe(struct task_struct *t) { } #endif static inline void clear_task_ebb(struct task_struct *t) |
