i386: convert hardware exception 19 to an interrupt gate
Handle SIMD coprocessor 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 54b89f4..1bd7960 100644
--- a/arch/x86/kernel/traps_32.c
+++ b/arch/x86/kernel/traps_32.c
@@ -1144,6 +1144,8 @@
void do_simd_coprocessor_error(struct pt_regs *regs, long error_code)
{
+ conditional_sti(regs);
+
if (cpu_has_xmm) {
/* Handle SIMD FPU exceptions on PIII+ processors. */
ignore_fpu_irq = 1;
@@ -1294,7 +1296,7 @@
#ifdef CONFIG_X86_MCE
set_intr_gate(18, &machine_check);
#endif
- set_trap_gate(19, &simd_coprocessor_error);
+ set_intr_gate(19, &simd_coprocessor_error);
if (cpu_has_fxsr) {
printk(KERN_INFO "Enabling fast FPU save and restore... ");