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-rw-r--r--arch/powerpc/include/asm/exception-64s.h17
1 files changed, 12 insertions, 5 deletions
diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h
index f3c6272f430f..90f4b771df02 100644
--- a/arch/powerpc/include/asm/exception-64s.h
+++ b/arch/powerpc/include/asm/exception-64s.h
@@ -46,12 +46,19 @@
#define EX_DSISR 48
#define EX_CCR 52
#define EX_R3 56
-#define EX_LR 64
-#define EX_CFAR 72
-#define EX_PPR 80 /* SMT thread status register (priority) */
-#define EX_CTR 88
+#define EX_CFAR 64
+#define EX_PPR 72
+#define EX_CTR 80
-#define EX_SIZE 12 /* size in u64 units */
+#define EX_SIZE 11 /* size in u64 units */
+
+/*
+ * EX_LR is only used in EXSLB and where it does not overlap with EX_DAR
+ * EX_CCR similarly with DSISR, but being 4 byte registers there is a hole
+ * in the save area so it's not necessary to overlap them. Could be used
+ * for future savings though if another 4 byte register was to be saved.
+ */
+#define EX_LR EX_DAR
#ifdef CONFIG_RELOCATABLE
#define __EXCEPTION_RELON_PROLOG_PSERIES_1(label, h) \