From: Andi Kleen Date: Sat, 16 Apr 2005 22:25:06 +0000 (-0700) Subject: [PATCH] x86_64: Make kernel math errors a die() now X-Git-Tag: v2.6.12-rc3~159 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3a848f632f86f1602094e6172cdc05c048042d7a;p=linux-2.6 [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 Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c index 1b06ab2453..2f42fd5c07 100644 --- 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; /*