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authorHaren Myneni <haren@linux.vnet.ibm.com>2012-12-06 21:48:26 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-01-10 17:01:05 +1100
commita09688cd23d477ebd9c8f57881bfe907240cb0a1 (patch)
treec6d2714611c21d92691afa15da76c66b4cc05d00 /arch
parentd261386852178ce0bdf836f7c92267f21c8bb3f9 (diff)
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/include/asm/exception-64s.h1
-rw-r--r--arch/powerpc/include/asm/paca.h6
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 49b7faf7bbf2..ed3cdcb50198 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) */
#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 e9e7a6999bb8..c47d687ab01b 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;