powerpc: Increase exceptions arrays in paca struct to save PPR

[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 <haren@us.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h
index 49b7faf..ed3cdcb 100644 (file)
--- 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) */
 
 #ifdef CONFIG_RELOCATABLE
 #define EXCEPTION_RELON_PROLOG_PSERIES_1(label, h)                     \

diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index e9e7a69..c47d687 100644 (file)
--- 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;