i386: convert hardware exception 15 to an interrupt gate

Handle exception 15 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 e259850..0039856 100644 (file)
--- a/arch/x86/kernel/traps_32.c
+++ b/arch/x86/kernel/traps_32.c
@@ -1164,6 +1164,7 @@ void do_simd_coprocessor_error(struct pt_regs *regs, long error_code)
 
 void do_spurious_interrupt_bug(struct pt_regs *regs, long error_code)
 {
+       conditional_sti(regs);
 #if 0
        /* No need to warn about this any longer. */
        printk(KERN_INFO "Ignoring P6 Local APIC Spurious Interrupt Bug...\n");
@@ -1277,7 +1278,7 @@ void __init trap_init(void)
        set_intr_gate(12, &stack_segment);
        set_intr_gate(13, &general_protection);
        set_intr_gate(14, &page_fault);
-       set_trap_gate(15, &spurious_interrupt_bug);
+       set_intr_gate(15, &spurious_interrupt_bug);
        set_trap_gate(16, &coprocessor_error);
        set_trap_gate(17, &alignment_check);
 #ifdef CONFIG_X86_MCE