powerpc: Set the correct ksp_limit on ppc32 when switching to irq stack

[cascardo/linux.git] / arch / powerpc / kernel / misc_32.S

diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S
index 879f096..7c6bb4b 100644 (file)
--- a/arch/powerpc/kernel/misc_32.S
+++ b/arch/powerpc/kernel/misc_32.S
@@ -57,11 +57,14 @@ _GLOBAL(call_do_softirq)
        mtlr    r0
        blr
 
+/*
+ * void call_do_irq(struct pt_regs *regs, struct thread_info *irqtp);
+ */
 _GLOBAL(call_do_irq)
        mflr    r0
        stw     r0,4(r1)
        lwz     r10,THREAD+KSP_LIMIT(r2)
-       addi    r11,r3,THREAD_INFO_GAP
+       addi    r11,r4,THREAD_INFO_GAP
        stwu    r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r4)
        mr      r1,r4
        stw     r10,8(r1)