[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 (file)
--- a/arch/x86_64/kernel/traps.c
+++ b/arch/x86_64/kernel/traps.c
@@ -733,14 +733,8 @@ static int kernel_math_error(struct pt_regs *regs, char *str)
                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 @@ asmlinkage void do_simd_coprocessor_error(struct pt_regs *regs)
 
        conditional_sti(regs);
        if ((regs->cs & 3) == 0 &&
-               kernel_math_error(regs, "simd math error"))
+               kernel_math_error(regs, "kernel simd math error"))
                return;
 
        /*