Merge branch 'drm-patches' of master.kernel.org:/pub/scm/linux/kernel/git/airlied...
[linux-drm-fsl-dcu.git] / arch / i386 / kernel / cpu / mtrr / main.c
index 0acfb6a5a220839deeba89f0f1766cf703c94332..02a2f39e5e0a3ce9e1d9bdc80293749551eb05ca 100644 (file)
@@ -729,6 +729,17 @@ void mtrr_ap_init(void)
        local_irq_restore(flags);
 }
 
+/**
+ * Save current fixed-range MTRR state of the BSP
+ */
+void mtrr_save_state(void)
+{
+       if (smp_processor_id() == 0)
+               mtrr_save_fixed_ranges(NULL);
+       else
+               smp_call_function_single(0, mtrr_save_fixed_ranges, NULL, 1, 1);
+}
+
 static int __init mtrr_init_finialize(void)
 {
        if (!mtrr_if)