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-rw-r--r--arch/ia64/sn/kernel/xp_nofault.S3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/ia64/sn/kernel/xp_nofault.S b/arch/ia64/sn/kernel/xp_nofault.S
index b772543053c9..54e8973b6e99 100644
--- a/arch/ia64/sn/kernel/xp_nofault.S
+++ b/arch/ia64/sn/kernel/xp_nofault.S
@@ -21,7 +21,8 @@
xp_nofault_PIOR:
mov r8=r0 // Stage a success return value
ld8.acq r9=[r32];; // PIO Read the specified register
- adds r9=1,r9 // Add to force a consume
+ adds r9=1,r9;; // Add to force consumption
+ or r9=r9,r9;; // Or to force consumption
br.ret.sptk.many b0;; // Return success
.global xp_error_PIOR