From 252d28fe65adc2e51bc71358eae43ba94b74da91 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:56:09 +0200 Subject: [PATCH] i386: convert hardware exception 16 to an interrupt gate Handle coprocessor error exception with interrupt initially off. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 0039856b6344..5ab4c3fc7c1d 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -1088,6 +1088,7 @@ void math_error(void __user *ip) void do_coprocessor_error(struct pt_regs *regs, long error_code) { + conditional_sti(regs); ignore_fpu_irq = 1; math_error((void __user *)regs->ip); } @@ -1279,7 +1280,7 @@ void __init trap_init(void) set_intr_gate(13, &general_protection); set_intr_gate(14, &page_fault); set_intr_gate(15, &spurious_interrupt_bug); - set_trap_gate(16, &coprocessor_error); + set_intr_gate(16, &coprocessor_error); set_trap_gate(17, &alignment_check); #ifdef CONFIG_X86_MCE set_trap_gate(18, &machine_check);