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authorHelge Deller <deller@gmx.de>2007-01-07 10:27:27 -0500
committerKyle McMartin <kyle@athena.road.mcmartin.ca>2007-02-17 01:04:13 -0500
commit0bbdac0897a48f415eb788bf3263c92bd5e97ffb (patch)
tree20692ef93d1a0995c3fe04e2d4536914a4a2c081 /arch/parisc
parent6e16d9409e1f08594587855d2a280c391ba985ff (diff)
[PARISC] detect recursive kernel crash earlier
Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Diffstat (limited to 'arch/parisc')
-rw-r--r--arch/parisc/kernel/traps.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index 7bf9e36f010d..1f62853e4c02 100644
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -255,8 +255,16 @@ KERN_CRIT " || ||\n");
255 printk(KERN_CRIT "%s (pid %d): %s (code %ld)\n", 255 printk(KERN_CRIT "%s (pid %d): %s (code %ld)\n",
256 current->comm, current->pid, str, err); 256 current->comm, current->pid, str, err);
257 257
258 dump_stack(); 258 /* Wot's wrong wif bein' racy? */
259 if (current->thread.flags & PARISC_KERNEL_DEATH) {
260 printk(KERN_CRIT "%s() recursion detected.\n", __FUNCTION__);
261 local_irq_enable();
262 while (1);
263 }
264 current->thread.flags |= PARISC_KERNEL_DEATH;
265
259 show_regs(regs); 266 show_regs(regs);
267 dump_stack();
260 268
261 if (in_interrupt()) 269 if (in_interrupt())
262 panic("Fatal exception in interrupt"); 270 panic("Fatal exception in interrupt");
@@ -267,14 +275,6 @@ KERN_CRIT " || ||\n");
267 panic("Fatal exception"); 275 panic("Fatal exception");
268 } 276 }
269 277
270 /* Wot's wrong wif bein' racy? */
271 if (current->thread.flags & PARISC_KERNEL_DEATH) {
272 printk(KERN_CRIT "%s() recursion detected.\n", __FUNCTION__);
273 local_irq_enable();
274 while (1);
275 }
276
277 current->thread.flags |= PARISC_KERNEL_DEATH;
278 do_exit(SIGSEGV); 278 do_exit(SIGSEGV);
279} 279}
280 280