stubdom: fix x86_64 irq stack size
by making it use STACK_SIZE like other places.
Signed-off-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>
diff -r be3025f6af2e extras/mini-os/events.c
--- a/extras/mini-os/events.c Mon Mar 24 18:24:03 2008 +0000
+++ b/extras/mini-os/events.c Tue Mar 25 17:05:53 2008 +0000
@@ -118,9 +118,7 @@ evtchn_port_t bind_virq(uint32_t virq, e
 }
 
 #if defined(__x86_64__)
-/* Allocate 4 pages for the irqstack */
-#define STACK_PAGES 4
-char irqstack[1024 * 4 * STACK_PAGES];
+char irqstack[2 * STACK_SIZE];
 
 static struct pda
 {
@@ -139,9 +137,9 @@ void init_events(void)
 asm volatile("movl %0,%%fs ; movl %0,%%gs" :: "r" (0));
 wrmsrl(0xc0000101, &cpu0_pda); /* 0xc0000101 is MSR_GS_BASE */
 cpu0_pda.irqcount = -1;
- cpu0_pda.irqstackptr = irqstack + 1024 * 4 * STACK_PAGES;
+ cpu0_pda.irqstackptr = (void*) (((unsigned long)irqstack + 2 * STACK_SIZE) 
& ~(STACK_SIZE - 1));
 #endif
- /* inintialise event handler */
+ /* initialize event handler */
 for ( i = 0; i < NR_EVS; i++ )
 {
 ev_actions[i].handler = default_handler;
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