[POWERPC] Move iSeries_tb_recal into its own late_initcall.

[safe/jmp/linux-2.6] / arch / powerpc / kernel / head_64.S

diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 5a53ceb..8cdd48e 100644 (file)
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -103,8 +103,8 @@ __secondary_hold_acknowledge:
 
        . = 0x60
 /*
- * The following code is used on pSeries to hold secondary processors
- * in a spin loop after they have been freed from OpenFirmware, but
+ * The following code is used to hold secondary processors
+ * in a spin loop after they have entered the kernel, but
  * before the bulk of the kernel has been relocated.  This code
  * is relocated to physical address 0x60 before prom_init is run.
  * All of it must fit below the first exception vector at 0x100.
@@ -278,8 +278,12 @@ exception_marker:
        beq-    1f;                                                        \
        ld      r1,PACAKSAVE(r13);      /* kernel stack to use          */ \
 1:     cmpdi   cr1,r1,0;               /* check if r1 is in userspace  */ \
-       bge-    cr1,bad_stack;          /* abort if it is               */ \
-       std     r9,_CCR(r1);            /* save CR in stackframe        */ \
+       bge-    cr1,2f;                 /* abort if it is               */ \
+       b       3f;                                                        \
+2:     li      r1,(n);                 /* will be reloaded later       */ \
+       sth     r1,PACA_TRAP_SAVE(r13);                                    \
+       b       bad_stack;                                                 \
+3:     std     r9,_CCR(r1);            /* save CR in stackframe        */ \
        std     r11,_NIP(r1);           /* save SRR0 in stackframe      */ \
        std     r12,_MSR(r1);           /* save SRR1 in stackframe      */ \
        std     r10,0(r1);              /* make stack chain pointer     */ \
@@ -940,6 +944,8 @@ bad_stack:
        SAVE_2GPRS(7,r1)
        SAVE_10GPRS(12,r1)
        SAVE_10GPRS(22,r1)
+       lhz     r12,PACA_TRAP_SAVE(r13)
+       std     r12,_TRAP(r1)
        addi    r11,r1,INT_FRAME_SIZE
        std     r11,0(r1)
        li      r12,0
@@ -1734,10 +1740,6 @@ _STATIC(__boot_from_prom)
        /* We never return */
        trap
 
-/*
- * At this point, r3 contains the physical address we are running at,
- * returned by prom_init()
- */
 _STATIC(__after_prom_start)
 
 /*