Merge branch 'linux-next' of git://git.infradead.org/~dedekind/ubifs-2.6

[linux-2.6-omap-h63xx.git] / arch / ia64 / kernel / head.S

diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S
index 41c712917ff706b595ee1683b3e6fdbcf0b46efe..8bdea8eb62e366abc0350bd53261146d445ab41a 100644 (file)
--- a/arch/ia64/kernel/head.S
+++ b/arch/ia64/kernel/head.S
@@ -359,7 +359,31 @@ start_ap:
        mov ar.rsc=0            // place RSE in enforced lazy mode
        ;;
        loadrs                  // clear the dirty partition
-       mov IA64_KR(PER_CPU_DATA)=r0    // clear physical per-CPU base
+       movl r19=__phys_per_cpu_start
+       mov r18=PERCPU_PAGE_SIZE
+       ;;
+#ifndef CONFIG_SMP
+       add r19=r19,r18
+       ;;
+#else
+(isAP) br.few 2f
+       mov r20=r19
+       sub r19=r19,r18
+       ;;
+       shr.u r18=r18,3
+1:
+       ld8 r21=[r20],8;;
+       st8[r19]=r21,8
+       adds r18=-1,r18;;
+       cmp4.lt p7,p6=0,r18
+(p7)   br.cond.dptk.few 1b
+2:
+#endif
+       tpa r19=r19
+       ;;
+       .pred.rel.mutex isBP,isAP
+(isBP) mov IA64_KR(PER_CPU_DATA)=r19   // per-CPU base for cpu0
+(isAP) mov IA64_KR(PER_CPU_DATA)=r0    // clear physical per-CPU base
        ;;
        mov ar.bspstore=r2      // establish the new RSE stack
        ;;