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Diffstat (limited to 'arch/x86/kernel/cpu/intel.c')
-rw-r--r--arch/x86/kernel/cpu/intel.c18
1 files changed, 1 insertions, 17 deletions
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index 1905ce9..7170024 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -164,20 +164,6 @@ int __cpuinit ppro_with_ram_bug(void)
return 0;
}
-#ifdef CONFIG_X86_F00F_BUG
-static void __cpuinit trap_init_f00f_bug(void)
-{
- __set_fixmap(FIX_F00F_IDT, __pa_symbol(idt_table), PAGE_KERNEL_RO);
-
- /*
- * Update the IDT descriptor and reload the IDT so that
- * it uses the read-only mapped virtual address.
- */
- idt_descr.address = fix_to_virt(FIX_F00F_IDT);
- load_idt(&idt_descr);
-}
-#endif
-
static void __cpuinit intel_smp_check(struct cpuinfo_x86 *c)
{
/* calling is from identify_secondary_cpu() ? */
@@ -206,8 +192,7 @@ static void __cpuinit intel_workarounds(struct cpuinfo_x86 *c)
/*
* All current models of Pentium and Pentium with MMX technology CPUs
* have the F0 0F bug, which lets nonprivileged users lock up the
- * system.
- * Note that the workaround only should be initialized once...
+ * system. Announce that the fault handler will be checking for it.
*/
c->f00f_bug = 0;
if (!paravirt_enabled() && c->x86 == 5) {
@@ -215,7 +200,6 @@ static void __cpuinit intel_workarounds(struct cpuinfo_x86 *c)
c->f00f_bug = 1;
if (!f00f_workaround_enabled) {
- trap_init_f00f_bug();
printk(KERN_NOTICE "Intel Pentium with F0 0F bug - workaround enabled.\n");
f00f_workaround_enabled = 1;
}
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