[PATCH 04/11] KVM: PPC: fix incorrect element_size for stxsiwx in analyse_instr

wei.guo.simon at gmail.com wei.guo.simon at gmail.com
Wed Apr 25 21:54:37 AEST 2018


From: Simon Guo <wei.guo.simon at gmail.com>

stwsiwx will place contents of word element 1 of VSR into word
storage of EA. So the element size of stwsiwx should be 4.

This patch correct the size from 8 to 4.

Signed-off-by: Simon Guo <wei.guo.simon at gmail.com>
---
 arch/powerpc/lib/sstep.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c
index 34d68f1..151d484 100644
--- a/arch/powerpc/lib/sstep.c
+++ b/arch/powerpc/lib/sstep.c
@@ -2178,7 +2178,7 @@ int analyse_instr(struct instruction_op *op, const struct pt_regs *regs,
 		case 140:	/* stxsiwx */
 			op->reg = rd | ((instr & 1) << 5);
 			op->type = MKOP(STORE_VSX, 0, 4);
-			op->element_size = 8;
+			op->element_size = 4;
 			break;
 
 		case 268:	/* lxvx */
-- 
1.8.3.1



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