Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / arch / x86 / kernel / cpu / mtrr / generic.c

diff --git a/kernel/arch/x86/kernel/cpu/mtrr/generic.c b/kernel/arch/x86/kernel/cpu/mtrr/generic.c
index 3b533cf..b5624fa 100644 (file)
--- a/kernel/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/kernel/arch/x86/kernel/cpu/mtrr/generic.c
@@ -444,11 +444,24 @@ static void __init print_mtrr_state(void)
                pr_debug("TOM2: %016llx aka %lldM\n", mtrr_tom2, mtrr_tom2>>20);
 }
 
+/* PAT setup for BP. We need to go through sync steps here */
+void __init mtrr_bp_pat_init(void)
+{
+       unsigned long flags;
+
+       local_irq_save(flags);
+       prepare_set();
+
+       pat_init();
+
+       post_set();
+       local_irq_restore(flags);
+}
+
 /* Grab all of the MTRR state for this CPU into *state */
 bool __init get_mtrr_state(void)
 {
        struct mtrr_var_range *vrs;
-       unsigned long flags;
        unsigned lo, dummy;
        unsigned int i;
 
@@ -481,15 +494,6 @@ bool __init get_mtrr_state(void)
 
        mtrr_state_set = 1;
 
-       /* PAT setup for BP. We need to go through sync steps here */
-       local_irq_save(flags);
-       prepare_set();
-
-       pat_init();
-
-       post_set();
-       local_irq_restore(flags);
-
        return !!(mtrr_state.enabled & MTRR_STATE_MTRR_ENABLED);
 }