[PATCH 3/6] powerpc: Increase exceptions arrays in paca struct to save PPR
Using paca to save user defined PPR value in the first level exception vector.
Signed-off-by: Haren Myneni <ha...@us.ibm.com>
---
arch/powerpc/include/asm/exception-64s.h | 1 +
arch/powerpc/include/asm/paca.h | 6 +++---
2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/include/asm/exception-64s.h
b/arch/powerpc/include/asm/exception-64s.h
index 45702e0..bfd3f1f 100644
--- a/arch/powerpc/include/asm/exception-64s.h
+++ b/arch/powerpc/include/asm/exception-64s.h
@@ -47,6 +47,7 @@
#define EX_R3 64
#define EX_LR 72
#define EX_CFAR 80
+#define EX_PPR 88 /* SMT thread status register (priority) */
/*
* We're short on space and time in the exception prolog, so we can't
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index e9e7a69..c47d687 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -93,9 +93,9 @@ struct paca_struct {
* Now, starting in cacheline 2, the exception save areas
*/
/* used for most interrupts/exceptions */
- u64 exgen[11] __attribute__((aligned(0x80)));
- u64 exmc[11]; /* used for machine checks */
- u64 exslb[11]; /* used for SLB/segment table misses
+ u64 exgen[12] __attribute__((aligned(0x80)));
+ u64 exmc[12]; /* used for machine checks */
+ u64 exslb[12]; /* used for SLB/segment table misses
* on the linear mapping */
/* SLB related definitions */
u16 vmalloc_sllp;
--
1.7.1
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