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[PARISC] detect recursive kernel crash earlier

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Helge Deller 18 年之前
父節點
當前提交
0bbdac0897
共有 1 個文件被更改,包括 9 次插入9 次删除
  1. 9 9
      arch/parisc/kernel/traps.c

+ 9 - 9
arch/parisc/kernel/traps.c

@@ -255,8 +255,16 @@ KERN_CRIT "                     ||     ||\n");
 		printk(KERN_CRIT "%s (pid %d): %s (code %ld)\n",
 		printk(KERN_CRIT "%s (pid %d): %s (code %ld)\n",
 			current->comm, current->pid, str, err);
 			current->comm, current->pid, str, err);
 
 
-	dump_stack();
+	/* Wot's wrong wif bein' racy? */
+	if (current->thread.flags & PARISC_KERNEL_DEATH) {
+		printk(KERN_CRIT "%s() recursion detected.\n", __FUNCTION__);
+		local_irq_enable();
+		while (1);
+	}
+	current->thread.flags |= PARISC_KERNEL_DEATH;
+
 	show_regs(regs);
 	show_regs(regs);
+	dump_stack();
 
 
 	if (in_interrupt())
 	if (in_interrupt())
 		panic("Fatal exception in interrupt");
 		panic("Fatal exception in interrupt");
@@ -267,14 +275,6 @@ KERN_CRIT "                     ||     ||\n");
 		panic("Fatal exception");
 		panic("Fatal exception");
 	}
 	}
 
 
-	/* Wot's wrong wif bein' racy? */
-	if (current->thread.flags & PARISC_KERNEL_DEATH) {
-		printk(KERN_CRIT "%s() recursion detected.\n", __FUNCTION__);
-		local_irq_enable();
-		while (1);
-	}
-
-	current->thread.flags |= PARISC_KERNEL_DEATH;
 	do_exit(SIGSEGV);
 	do_exit(SIGSEGV);
 }
 }