i386: convert hardware exception 16 to an interrupt gate
Handle coprocessor error exception with interrupt initially off.
Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c
index 0039856..5ab4c3f 100644
--- a/arch/x86/kernel/traps_32.c
+++ b/arch/x86/kernel/traps_32.c
@@ -1088,6 +1088,7 @@
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 @@
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);