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Diffstat (limited to 'arch/powerpc/include/asm/paca.h')
-rw-r--r--arch/powerpc/include/asm/paca.h38
1 files changed, 18 insertions, 20 deletions
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index 708c3e592eeb..1c09f8fe2ee8 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -99,7 +99,6 @@ struct paca_struct {
*/
/* used for most interrupts/exceptions */
u64 exgen[13] __attribute__((aligned(0x80)));
- u64 exmc[13]; /* used for machine checks */
u64 exslb[13]; /* used for SLB/segment table misses
* on the linear mapping */
/* SLB related definitions */
@@ -139,6 +138,7 @@ struct paca_struct {
#ifdef CONFIG_PPC_MM_SLICES
u64 mm_ctx_low_slices_psize;
unsigned char mm_ctx_high_slices_psize[SLICE_ARRAY_SIZE];
+ unsigned long addr_limit;
#else
u16 mm_ctx_user_psize;
u16 mm_ctx_sllp;
@@ -172,17 +172,31 @@ struct paca_struct {
u8 thread_mask;
/* Mask to denote subcore sibling threads */
u8 subcore_sibling_mask;
+ /*
+ * Pointer to an array which contains pointer
+ * to the sibling threads' paca.
+ */
+ struct paca_struct **thread_sibling_pacas;
#endif
+#ifdef CONFIG_PPC_STD_MMU_64
+ /* Non-maskable exceptions that are not performance critical */
+ u64 exnmi[13]; /* used for system reset (nmi) */
+ u64 exmc[13]; /* used for machine checks */
+#endif
#ifdef CONFIG_PPC_BOOK3S_64
- /* Exclusive emergency stack pointer for machine check exception. */
+ /* Exclusive stacks for system reset and machine check exception. */
+ void *nmi_emergency_sp;
void *mc_emergency_sp;
+
+ u16 in_nmi; /* In nmi handler */
+
/*
* Flag to check whether we are in machine check early handler
* and already using emergency stack.
*/
u16 in_mce;
- u8 hmi_event_available; /* HMI event is available */
+ u8 hmi_event_available; /* HMI event is available */
#endif
/* Stuff for accurate time accounting */
@@ -206,23 +220,7 @@ 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 void copy_mm_to_paca(struct mm_struct *mm);
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);