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x86: Suppress stack overrun message for init_task 

init_task doesn't get its stack end location set to
STACK_END_MAGIC, and hence the message is confusing
rather than helpful in this case.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
LKML-Reference: <4B06AEFE02000078000211F4@vpn.id2.novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Jan Beulich 2009-11-20 14:00:14 +00:00 committed by Ingo Molnar
parent 31c997cac7
commit 0e7810be30
1 changed files with 1 additions and 1 deletions
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2
arch/x86/mm/fault.c
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@ -658,7 +658,7 @@ no_context(struct pt_regs *regs, unsigned long error_code,
show_fault_oops(regs, error_code, address);
stackend = end_of_stack(tsk);
if (*stackend != STACK_END_MAGIC)
if (tsk != &init_task && *stackend != STACK_END_MAGIC)
printk(KERN_ALERT "Thread overran stack, or stack corrupted\n");
tsk->thread.cr2 = address;