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Diffstat (limited to 'arch/x86/kernel/traps.c')
-rw-r--r--arch/x86/kernel/traps.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index eb8586693e0..68bda7a8415 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -69,9 +69,6 @@
asmlinkage int system_call(void);
-/* Do we ignore FPU interrupts ? */
-char ignore_fpu_irq;
-
/*
* The IDT has to be page-aligned to simplify the Pentium
* F0 0F bug workaround.
@@ -564,9 +561,6 @@ void math_error(struct pt_regs *regs, int error_code, int trapnr)
dotraplinkage void do_coprocessor_error(struct pt_regs *regs, long error_code)
{
-#ifdef CONFIG_X86_32
- ignore_fpu_irq = 1;
-#endif
exception_enter(regs);
math_error(regs, error_code, X86_TRAP_MF);
exception_exit(regs);
@@ -694,10 +688,19 @@ void __init early_trap_init(void)
set_intr_gate_ist(X86_TRAP_DB, &debug, DEBUG_STACK);
/* int3 can be called from all */
set_system_intr_gate_ist(X86_TRAP_BP, &int3, DEBUG_STACK);
+#ifdef CONFIG_X86_32
set_intr_gate(X86_TRAP_PF, &page_fault);
+#endif
load_idt(&idt_descr);
}
+void __init early_trap_pf_init(void)
+{
+#ifdef CONFIG_X86_64
+ set_intr_gate(X86_TRAP_PF, &page_fault);
+#endif
+}
+
void __init trap_init(void)
{
int i;