Merge ../linux-2.6-watchdog-mm

[linux-drm-fsl-dcu.git] / arch / i386 / kernel / smp.c

diff --git a/arch/i386/kernel/smp.c b/arch/i386/kernel/smp.c
index 1b080ab8a49fad87d600b397d12748393d46ed6e..31e5c6573aae450b3a1f94fe7129de94fc4ea26e 100644 (file)
--- a/arch/i386/kernel/smp.c
+++ b/arch/i386/kernel/smp.c
@@ -321,6 +321,7 @@ static inline void leave_mm (unsigned long cpu)
 
 fastcall void smp_invalidate_interrupt(struct pt_regs *regs)
 {
+       struct pt_regs *old_regs = set_irq_regs(regs);
        unsigned long cpu;
 
        cpu = get_cpu();
@@ -351,6 +352,7 @@ fastcall void smp_invalidate_interrupt(struct pt_regs *regs)
        smp_mb__after_clear_bit();
 out:
        put_cpu_no_resched();
+       set_irq_regs(old_regs);
 }
 
 static void flush_tlb_others(cpumask_t cpumask, struct mm_struct *mm,
@@ -605,11 +607,14 @@ void smp_send_stop(void)
  */
 fastcall void smp_reschedule_interrupt(struct pt_regs *regs)
 {
+       struct pt_regs *old_regs = set_irq_regs(regs);
        ack_APIC_irq();
+       set_irq_regs(old_regs);
 }
 
 fastcall void smp_call_function_interrupt(struct pt_regs *regs)
 {
+       struct pt_regs *old_regs = set_irq_regs(regs);
        void (*func) (void *info) = call_data->func;
        void *info = call_data->info;
        int wait = call_data->wait;
@@ -632,6 +637,7 @@ fastcall void smp_call_function_interrupt(struct pt_regs *regs)
                mb();
                atomic_inc(&call_data->finished);
        }
+       set_irq_regs(old_regs);
 }
 
 /*