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authorAl Viro <viro@zeniv.linux.org.uk>2014-12-09 02:39:29 +0100
committerAl Viro <viro@zeniv.linux.org.uk>2014-12-09 02:39:29 +0100
commitba00410b8131b23edfb0e09f8b6dd26c8eb621fb (patch)
treec08504e4d2fa51ac91cef544f336d0169806c49f /arch/x86/kernel/cpu/intel.c
parentMerge tag 'trace-seq-file-cleanup' of git://git.kernel.org/pub/scm/linux/kern... (diff)
parentcopy_from_iter_nocache() (diff)
downloadlinux-ba00410b8131b23edfb0e09f8b6dd26c8eb621fb.tar.xz
linux-ba00410b8131b23edfb0e09f8b6dd26c8eb621fb.zip
Merge branch 'iov_iter' into for-next
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);