1 files changed, 10 insertions, 2 deletions

diff --git a/arch/powerpc/platforms/iseries/exception.S b/arch/powerpc/platforms/iseries/exception.S
index 5381038f0881..c775cd4b3d6e 100644
--- a/arch/powerpc/platforms/iseries/exception.S
+++ b/arch/powerpc/platforms/iseries/exception.S
@@ -38,11 +38,19 @@
 
         .globl system_reset_iSeries
 system_reset_iSeries:
-        mfspr   r13,SPRN_SPRG3          /* Get paca address */
+        mfspr   r13,SPRN_SPRG3          /* Get alpaca address */
+        LOAD_REG_IMMEDIATE(r23, alpaca)
+        li      r0,ALPACA_SIZE
+        sub     r23,r13,r23
+        divdu   r23,r23,r0              /* r23 has cpu number */
+        LOAD_REG_IMMEDIATE(r13, paca)
+        mulli   r0,r23,PACA_SIZE
+        add     r13,r13,r0
+        mtspr   SPRN_SPRG3,r13          /* Save it away for the future */
         mfmsr   r24
         ori     r24,r24,MSR_RI
         mtmsrd  r24                     /* RI on */
-        lhz     r24,PACAPACAINDEX(r13)  /* Get processor # */
+        mr      r24,r23
         cmpwi   0,r24,0                 /* Are we processor 0? */
         bne     1f
         b       .__start_initialization_iSeries /* Start up the first processor */