[PATCH 4/6] powerpc: Increase exceptions arrays in paca struct to save PPR

[Haren Myneni <haren@linux.vnet.ibm.com>]

Using paca to save user defined PPR value in the first level exception vector.

Signed-off-by: Haren Myneni <haren@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 daf813f..d32b1e5 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;
-- 
1.7.10.4