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-rw-r--r--arch/powerpc/include/asm/paca.h18
-rw-r--r--arch/powerpc/kernel/asm-offsets.c8
-rw-r--r--arch/powerpc/mm/hash_utils_64.c4
3 files changed, 22 insertions, 8 deletions
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index 1cc6e0828907..ef78c288c712 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>
@@ -132,7 +133,13 @@ struct paca_struct {
#endif /* CONFIG_PPC_BOOK3E */
#ifdef CONFIG_PPC_BOOK3S
- mm_context_t context;
+ 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_sllp;
+#endif
#endif
/*
@@ -199,7 +206,14 @@ struct paca_struct {
#ifdef CONFIG_PPC_BOOK3S
static inline void copy_mm_to_paca(mm_context_t *context)
{
- get_paca()->context = *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_sllp = context->sllp;
+#endif
}
#else
static inline void copy_mm_to_paca(mm_context_t *context){}
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 9db7be292bf3..07cebc3514f3 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -186,12 +186,12 @@ int main(void)
DEFINE(PACASOFTIRQEN, offsetof(struct paca_struct, soft_enabled));
DEFINE(PACAIRQHAPPENED, offsetof(struct paca_struct, irq_happened));
#ifdef CONFIG_PPC_BOOK3S
- DEFINE(PACACONTEXTID, offsetof(struct paca_struct, context.id));
+ DEFINE(PACACONTEXTID, offsetof(struct paca_struct, mm_ctx_id));
#ifdef CONFIG_PPC_MM_SLICES
DEFINE(PACALOWSLICESPSIZE, offsetof(struct paca_struct,
- context.low_slices_psize));
+ mm_ctx_low_slices_psize));
DEFINE(PACAHIGHSLICEPSIZE, offsetof(struct paca_struct,
- context.high_slices_psize));
+ mm_ctx_high_slices_psize));
DEFINE(MMUPSIZEDEFSIZE, sizeof(struct mmu_psize_def));
#endif /* CONFIG_PPC_MM_SLICES */
#endif
@@ -224,7 +224,7 @@ int main(void)
#ifdef CONFIG_PPC_MM_SLICES
DEFINE(MMUPSIZESLLP, offsetof(struct mmu_psize_def, sllp));
#else
- DEFINE(PACACONTEXTSLLP, offsetof(struct paca_struct, context.sllp));
+ DEFINE(PACACONTEXTSLLP, offsetof(struct paca_struct, mm_ctx_sllp));
#endif /* CONFIG_PPC_MM_SLICES */
DEFINE(PACA_EXGEN, offsetof(struct paca_struct, exgen));
DEFINE(PACA_EXMC, offsetof(struct paca_struct, exmc));
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 03279eac0957..db744576d730 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -853,11 +853,11 @@ static unsigned int get_paca_psize(unsigned long addr)
unsigned long index, mask_index;
if (addr < SLICE_LOW_TOP) {
- lpsizes = get_paca()->context.low_slices_psize;
+ lpsizes = get_paca()->mm_ctx_low_slices_psize;
index = GET_LOW_SLICE_INDEX(addr);
return (lpsizes >> (index * 4)) & 0xF;
}
- hpsizes = get_paca()->context.high_slices_psize;
+ hpsizes = get_paca()->mm_ctx_high_slices_psize;
index = GET_HIGH_SLICE_INDEX(addr);
mask_index = index & 0x1;
return (hpsizes[index >> 1] >> (mask_index * 4)) & 0xF;