diff options
Diffstat (limited to 'arch/powerpc/include/asm/paca.h')
| -rw-r--r-- | arch/powerpc/include/asm/paca.h | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h index 70bd4381f8e6..546540b91095 100644 --- a/arch/powerpc/include/asm/paca.h +++ b/arch/powerpc/include/asm/paca.h @@ -16,6 +16,7 @@ #ifdef CONFIG_PPC64 +#include <linux/string.h> #include <asm/types.h> #include <asm/lppaca.h> #include <asm/mmu.h> @@ -131,7 +132,16 @@ struct paca_struct { struct tlb_core_data tcd; #endif /* CONFIG_PPC_BOOK3E */ - mm_context_t context; +#ifdef CONFIG_PPC_BOOK3S + mm_context_id_t mm_ctx_id; +#ifdef CONFIG_PPC_MM_SLICES + u64 mm_ctx_low_slices_psize; + unsigned char mm_ctx_high_slices_psize[SLICE_ARRAY_SIZE]; +#else + u16 mm_ctx_user_psize; + u16 mm_ctx_sllp; +#endif +#endif /* * then miscellaneous read-write fields @@ -194,6 +204,23 @@ struct paca_struct { #endif }; +#ifdef CONFIG_PPC_BOOK3S +static inline void copy_mm_to_paca(mm_context_t *context) +{ + get_paca()->mm_ctx_id = context->id; +#ifdef CONFIG_PPC_MM_SLICES + get_paca()->mm_ctx_low_slices_psize = context->low_slices_psize; + memcpy(&get_paca()->mm_ctx_high_slices_psize, + &context->high_slices_psize, SLICE_ARRAY_SIZE); +#else + get_paca()->mm_ctx_user_psize = context->user_psize; + get_paca()->mm_ctx_sllp = context->sllp; +#endif +} +#else +static inline void copy_mm_to_paca(mm_context_t *context){} +#endif + extern struct paca_struct *paca; extern void initialise_paca(struct paca_struct *new_paca, int cpu); extern void setup_paca(struct paca_struct *new_paca); |