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powerpc: Increase exceptions arrays in paca struct to save PPR

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[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>
This commit is contained in:
Haren Myneni 2012-12-06 21:48:26 +00:00 committed by Benjamin Herrenschmidt
parent d261386852
commit a09688cd23
2 changed files with 4 additions and 3 deletions
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1
arch/powerpc/include/asm/exception-64s.h
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@ -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) \

6
arch/powerpc/include/asm/paca.h
View file

@ -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;