This commit was manufactured by cvs2svn to create tag

[linux-2.6.git] / arch / i386 / kernel / process.c

diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c
index 3093d1f..e8a01f2 100644 (file)
--- a/arch/i386/kernel/process.c
+++ b/arch/i386/kernel/process.c
@@ -219,6 +219,32 @@ static int __init idle_setup (char *str)
 
 __setup("idle=", idle_setup);
 
+void stack_overflow(void)
+{
+        extern unsigned long stack_overflowed;
+        unsigned long esp = current_stack_pointer();
+       int panicing = ((esp&(THREAD_SIZE-1)) <= STACK_PANIC);
+
+       oops_in_progress = 1;
+       printk( "esp: 0x%lx masked: 0x%lx STACK_PANIC:0x%lx %d %d\n",
+               esp, (esp&(THREAD_SIZE-1)), STACK_PANIC, 
+               (((esp&(THREAD_SIZE-1)) <= STACK_PANIC)), panicing);
+       show_trace(current,(void*)esp);
+
+       if (panicing)
+         panic("stack overflow\n");
+
+       oops_in_progress = 0;
+
+       /* Just let it happen once per task, as otherwise it goes nuts
+        * in printing stack traces.  This means that I need to dump
+        * the stack_overflowed boolean into the task or thread_info
+        * structure.  For now just turn it off all together.
+        */
+
+       /* stack_overflowed = 0; */
+}
+
 void show_regs(struct pt_regs * regs)
 {
        unsigned long cr0 = 0L, cr2 = 0L, cr3 = 0L, cr4 = 0L;