diff --git a/[refs] b/[refs]
index 5525a7e21ada..12f70eedfb73 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e75b171768b8b98ec5fd57acb3e87a30c97c9472
+refs/heads/master: ab87e8dc88a7cae341c403547cea6b022f5ac023
diff --git a/trunk/arch/powerpc/platforms/pseries/hvCall.S b/trunk/arch/powerpc/platforms/pseries/hvCall.S
index c00cfed7af2c..527da445aaa5 100644
--- a/trunk/arch/powerpc/platforms/pseries/hvCall.S
+++ b/trunk/arch/powerpc/platforms/pseries/hvCall.S
@@ -145,6 +145,7 @@ _GLOBAL(plpar_hcall9)
 
 	HVSC				/* invoke the hypervisor */
 
+	mr	r0,r12
 	ld	r12,STK_PARM(r4)(r1)
 	std	r4,  0(r12)
 	std	r5,  8(r12)
@@ -154,7 +155,7 @@ _GLOBAL(plpar_hcall9)
 	std	r9, 40(r12)
 	std	r10,48(r12)
 	std	r11,56(r12)
-	std	r12,64(r12)
+	std	r0, 64(r12)
 
 	HCALL_INST_POSTCALL