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[PATCH] x86_64: Make kernel math errors a die() now 

There were no reports about the previous warning for FPU exceptions in the
kernel, so make it a die() now.

Also improve the error messages slightly.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andi Kleen 2005-04-16 15:25:06 -07:00 committed by Linus Torvalds
parent c29601e9c1
commit 3a848f632f
1 changed files with 2 additions and 8 deletions
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10
arch/x86_64/kernel/traps.c
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@ -733,14 +733,8 @@ static int kernel_math_error(struct pt_regs *regs, char *str)
return 1; return 1;
} }
notify_die(DIE_GPF, str, regs, 0, 16, SIGFPE); notify_die(DIE_GPF, str, regs, 0, 16, SIGFPE);
#if 0 /* Illegal floating point operation in the kernel */
/* This should be a die, but warn only for now */
die(str, regs, 0); die(str, regs, 0);
#else
printk(KERN_DEBUG "%s: %s at ", current->comm, str);
printk_address(regs->rip);
printk("\n");
#endif
return 0; return 0;
} }
@ -824,7 +818,7 @@ asmlinkage void do_simd_coprocessor_error(struct pt_regs *regs)
conditional_sti(regs); conditional_sti(regs);
if ((regs->cs & 3) == 0 && if ((regs->cs & 3) == 0 &&
kernel_math_error(regs, "simd math error")) kernel_math_error(regs, "kernel simd math error"))
return; return;
/* /*