[PATCH] [11/48] Suspend2 2.1.9.8 for 2.6.12: 401-e820-table-support.patch

[Nigel Cunningham]

diff -ruNp 402-mtrr-remove-sysdev.patch-old/arch/i386/kernel/cpu/mtrr/main.c 402-mtrr-remove-sysdev.patch-new/arch/i386/kernel/cpu/mtrr/main.c
--- 402-mtrr-remove-sysdev.patch-old/arch/i386/kernel/cpu/mtrr/main.c	2005-06-20 11:46:42.000000000 +1000
+++ 402-mtrr-remove-sysdev.patch-new/arch/i386/kernel/cpu/mtrr/main.c	2005-07-04 23:14:19.000000000 +1000
@@ -166,7 +166,6 @@ static void ipi_handler(void *info)
 	atomic_dec(&data->count);
 	local_irq_restore(flags);
 }
-
 #endif
 
 /**
@@ -560,7 +559,7 @@ struct mtrr_value {
 
 static struct mtrr_value * mtrr_state;
 
-static int mtrr_save(struct sys_device * sysdev, u32 state)
+int mtrr_save(void)
 {
 	int i;
 	int size = num_var_ranges * sizeof(struct mtrr_value);
@@ -580,28 +579,27 @@ static int mtrr_save(struct sys_device *
 	return 0;
 }
 
-static int mtrr_restore(struct sys_device * sysdev)
+/* Restore mtrrs on this CPU only.
+ * Done with interrupts disabled via __smp_lowlevel_suspend
+ */
+int mtrr_restore_one_cpu(void)
 {
 	int i;
 
 	for (i = 0; i < num_var_ranges; i++) {
 		if (mtrr_state[i].lsize) 
-			set_mtrr(i,
+			mtrr_if->set(i,
 				 mtrr_state[i].lbase,
 				 mtrr_state[i].lsize,
 				 mtrr_state[i].ltype);
 	}
-	kfree(mtrr_state);
 	return 0;
 }
 
-
-
-static struct sysdev_driver mtrr_sysdev_driver = {
-	.suspend	= mtrr_save,
-	.resume		= mtrr_restore,
-};
-
+void mtrr_restore_finish(void)
+{
+	kfree(mtrr_state);
+}
 
 /**
  * mtrr_init - initialize mtrrs on the boot CPU
@@ -669,8 +667,7 @@ static int __init mtrr_init(void)
 		init_table();
 		init_other_cpus();
 
-		return sysdev_driver_register(&cpu_sysdev_class,
-					      &mtrr_sysdev_driver);
+		return 0;
 	}
 	return -ENXIO;
 }

-
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