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Commit a09688cd authored by Haren Myneni's avatar Haren Myneni Committed by Benjamin Herrenschmidt
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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: default avatarHaren Myneni <haren@us.ibm.com>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent d2613868

arch/powerpc/include/asm/exception-64s.h

+1 −0
Original line number Diff line number Diff line
@@ -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)			\

arch/powerpc/include/asm/paca.h

+3 −3
Original line number Diff line number Diff line
@@ -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;