diff options
Diffstat (limited to 'arch/powerpc/include/asm/paca.h')
| -rw-r--r-- | arch/powerpc/include/asm/paca.h | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h index b62c31037cad..4185f1c96125 100644 --- a/arch/powerpc/include/asm/paca.h +++ b/arch/powerpc/include/asm/paca.h @@ -32,6 +32,7 @@ #include <asm/accounting.h> #include <asm/hmi.h> #include <asm/cpuidle.h> +#include <asm/atomic.h> register struct paca_struct *local_paca asm("r13"); @@ -46,7 +47,10 @@ extern unsigned int debug_smp_processor_id(void); /* from linux/smp.h */ #define get_paca() local_paca #endif +#ifdef CONFIG_PPC_PSERIES #define get_lppaca() (get_paca()->lppaca_ptr) +#endif + #define get_slb_shadow() (get_paca()->slb_shadow_ptr) struct task_struct; @@ -58,7 +62,7 @@ struct task_struct; * processor. */ struct paca_struct { -#ifdef CONFIG_PPC_BOOK3S +#ifdef CONFIG_PPC_PSERIES /* * Because hw_cpu_id, unlike other paca fields, is accessed * routinely from other CPUs (from the IRQ code), we stick to @@ -67,7 +71,8 @@ struct paca_struct { */ struct lppaca *lppaca_ptr; /* Pointer to LpPaca for PLIC */ -#endif /* CONFIG_PPC_BOOK3S */ +#endif /* CONFIG_PPC_PSERIES */ + /* * MAGIC: the spinlock functions in arch/powerpc/lib/locks.c * load lock_token and paca_index with a single lwz @@ -141,7 +146,7 @@ struct paca_struct { #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_low_slices_psize[BITS_PER_LONG / BITS_PER_BYTE]; unsigned char mm_ctx_high_slices_psize[SLICE_ARRAY_SIZE]; unsigned long mm_ctx_slb_addr_limit; #else @@ -160,10 +165,14 @@ struct paca_struct { u64 saved_msr; /* MSR saved here by enter_rtas */ u16 trap_save; /* Used when bad stack is encountered */ u8 irq_soft_mask; /* mask for irq soft masking */ + u8 soft_enabled; /* irq soft-enable flag */ u8 irq_happened; /* irq happened while soft-disabled */ u8 io_sync; /* writel() needs spin_unlock sync */ u8 irq_work_pending; /* IRQ_WORK interrupt while soft-disable */ u8 nap_state_lost; /* NV GPR values lost in power7_idle */ +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE + u8 pmcregs_in_use; /* pseries puts this in lppaca */ +#endif u64 sprg_vdso; /* Saved user-visible sprg */ #ifdef CONFIG_PPC_TRANSACTIONAL_MEM u64 tm_scratch; /* TM scratch area for reclaim */ @@ -177,6 +186,8 @@ struct paca_struct { u8 thread_mask; /* Mask to denote subcore sibling threads */ u8 subcore_sibling_mask; + /* Flag to request this thread not to stop */ + atomic_t dont_stop; /* * Pointer to an array which contains pointer * to the sibling threads' paca. @@ -241,18 +252,20 @@ struct paca_struct { void *rfi_flush_fallback_area; u64 l1d_flush_size; #endif -}; +} ____cacheline_aligned; extern void copy_mm_to_paca(struct mm_struct *mm); -extern struct paca_struct *paca; +extern struct paca_struct **paca_ptrs; extern void initialise_paca(struct paca_struct *new_paca, int cpu); extern void setup_paca(struct paca_struct *new_paca); -extern void allocate_pacas(void); +extern void allocate_paca_ptrs(void); +extern void allocate_paca(int cpu); extern void free_unused_pacas(void); #else /* CONFIG_PPC64 */ -static inline void allocate_pacas(void) { }; +static inline void allocate_paca_ptrs(void) { }; +static inline void allocate_paca(int cpu) { }; static inline void free_unused_pacas(void) { }; #endif /* CONFIG_PPC64 */ |