1 files changed, 14 insertions, 8 deletions

diff --git a/arch/alpha/kernel/irq_alpha.c b/arch/alpha/kernel/irq_alpha.c
index ddf5cf8dcb0b..6dd126b8be85 100644
--- a/arch/alpha/kernel/irq_alpha.c
+++ b/arch/alpha/kernel/irq_alpha.c
@@ -39,6 +39,7 @@ asmlinkage void
 do_entInt(unsigned long type, unsigned long vector,
           unsigned long la_ptr, struct pt_regs *regs)
 {
+        struct pt_regs *old_regs;
         switch (type) {
         case 0:
 #ifdef CONFIG_SMP
@@ -51,6 +52,7 @@ do_entInt(unsigned long type, unsigned long vector,
 #endif
                 break;
         case 1:
+                old_regs = set_irq_regs(regs);
 #ifdef CONFIG_SMP
           {
                 long cpu;
@@ -61,18 +63,23 @@ do_entInt(unsigned long type, unsigned long vector,
                 if (cpu != boot_cpuid) {
                         kstat_cpu(cpu).irqs[RTC_IRQ]++;
                 } else {
-                        handle_irq(RTC_IRQ, regs);
+                        handle_irq(RTC_IRQ);
                 }
           }
 #else
-                handle_irq(RTC_IRQ, regs);
+                handle_irq(RTC_IRQ);
 #endif
+                set_irq_regs(old_regs);
                 return;
         case 2:
-                alpha_mv.machine_check(vector, la_ptr, regs);
+                old_regs = set_irq_regs(regs);
+                alpha_mv.machine_check(vector, la_ptr);
+                set_irq_regs(old_regs);
                 return;
         case 3:
-                alpha_mv.device_interrupt(vector, regs);
+                old_regs = set_irq_regs(regs);
+                alpha_mv.device_interrupt(vector);
+                set_irq_regs(old_regs);
                 return;
         case 4:
                 perf_irq(la_ptr, regs);
@@ -120,8 +127,7 @@ struct mcheck_info __mcheck_info;
 
 void
 process_mcheck_info(unsigned long vector, unsigned long la_ptr,
-                    struct pt_regs *regs, const char *machine,
-                    int expected)
+                    const char *machine, int expected)
 {
         struct el_common *mchk_header;
         const char *reason;
@@ -148,7 +154,7 @@ process_mcheck_info(unsigned long vector, unsigned long la_ptr,
         mchk_header = (struct el_common *)la_ptr;
 
         printk(KERN_CRIT "%s machine check: vector=0x%lx pc=0x%lx code=0x%x\n",
-               machine, vector, regs->pc, mchk_header->code);
+               machine, vector, get_irq_regs()->pc, mchk_header->code);
 
         switch (mchk_header->code) {
         /* Machine check reasons.  Defined according to PALcode sources.  */
@@ -189,7 +195,7 @@ process_mcheck_info(unsigned long vector, unsigned long la_ptr,
         printk(KERN_CRIT "machine check type: %s%s\n",
                reason, mchk_header->retry ? " (retryable)" : "");
 
-        dik_show_regs(regs, NULL);
+        dik_show_regs(get_irq_regs(), NULL);
 
 #ifdef CONFIG_VERBOSE_MCHECK
         if (alpha_verbose_mcheck > 1) {