1 files changed, 7 insertions, 0 deletions

diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c
index 7c1dbef399cd..f14d93351a82 100644
--- a/arch/i386/kernel/smpboot.c
+++ b/arch/i386/kernel/smpboot.c
@@ -58,6 +58,7 @@
 #include <mach_wakecpu.h>
 #include <smpboot_hooks.h>
 #include <asm/vmi.h>
+#include <asm/mtrr.h>
 
 /* Set if we find a B stepping CPU */
 static int __devinitdata smp_b_stepping;
@@ -815,6 +816,12 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu)
         unsigned short nmi_high = 0, nmi_low = 0;
 
         /*
+         * Save current MTRR state in case it was changed since early boot
+         * (e.g. by the ACPI SMI) to initialize new CPUs with MTRRs in sync:
+         */
+        mtrr_save_state();
+
+        /*
          * We can't use kernel_thread since we must avoid to
          * reschedule the child.
          */