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authorMark Brown <broonie@kernel.org>2014-11-26 20:37:57 +0000
committerMark Brown <broonie@kernel.org>2014-11-26 20:37:57 +0000
commitcf2394f70cf7774a107fbaa1ef5010db4bd69baa (patch)
treee79e3e479d04213a67ecd47b31c7db648b0313c2 /arch/x86/kernel/cpu/intel.c
parent45fc84c668ba6cc08cbae74042be838bf9283d98 (diff)
parent206c5f60a3d902bc4b56dab2de3e88de5eb06108 (diff)
Merge tag 'v3.18-rc4' into regulator-max77802
Linux 3.18-rc4
Diffstat (limited to 'arch/x86/kernel/cpu/intel.c')
-rw-r--r--arch/x86/kernel/cpu/intel.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index 1ef456273172..9cc6b6f25f42 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -213,12 +213,13 @@ static void intel_workarounds(struct cpuinfo_x86 *c)
{
#ifdef CONFIG_X86_F00F_BUG
/*
- * All current models of Pentium and Pentium with MMX technology CPUs
+ * All models of Pentium and Pentium with MMX technology CPUs
* have the F0 0F bug, which lets nonprivileged users lock up the
* system. Announce that the fault handler will be checking for it.
+ * The Quark is also family 5, but does not have the same bug.
*/
clear_cpu_bug(c, X86_BUG_F00F);
- if (!paravirt_enabled() && c->x86 == 5) {
+ if (!paravirt_enabled() && c->x86 == 5 && c->x86_model < 9) {
static int f00f_workaround_enabled;
set_cpu_bug(c, X86_BUG_F00F);