ARC: ARCompact entry: elide re-reading ECR in ProtV handler

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

ARC: ARCompact entry: elide re-reading ECR in ProtV handler
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
f5f3bde4 · Vineet Gupta · 7badf6fe · f5f3bde4
Commit f5f3bde4 authored Sep 29, 2016 by Vineet Gupta
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arch/arc/kernel/entry-compact.S arch/arc/kernel/entry-compact.S +1 -1

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--- a/arch/arc/kernel/entry-compact.S
+++ b/arch/arc/kernel/entry-compact.S
@@ -259,7 +259,7 @@ ENTRY(EV_TLBProtV)

 	EXCEPTION_PROLOGUE

-	lr  r2, [ecr]
+	mov r2, r9	; ECR set into r9 already
 	lr  r0, [efa]	; Faulting Data address (not part of pt_regs saved above)

 	; Exception auto-disables further Intr/exceptions.