[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>
diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c
index 1b06ab2..2f42fd5 100644
--- a/arch/x86_64/kernel/traps.c
+++ b/arch/x86_64/kernel/traps.c
@@ -733,14 +733,8 @@
return 1;
}
notify_die(DIE_GPF, str, regs, 0, 16, SIGFPE);
-#if 0
- /* This should be a die, but warn only for now */
+ /* Illegal floating point operation in the kernel */
die(str, regs, 0);
-#else
- printk(KERN_DEBUG "%s: %s at ", current->comm, str);
- printk_address(regs->rip);
- printk("\n");
-#endif
return 0;
}
@@ -824,7 +818,7 @@
conditional_sti(regs);
if ((regs->cs & 3) == 0 &&
- kernel_math_error(regs, "simd math error"))
+ kernel_math_error(regs, "kernel simd math error"))
return;
/*