Merge branch 'syscore' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspen...
[pandora-kernel.git] / virt / kvm / kvm_main.c
index 7bee6dc..556e3ef 100644 (file)
@@ -30,7 +30,7 @@
 #include <linux/debugfs.h>
 #include <linux/highmem.h>
 #include <linux/file.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
 #include <linux/cpu.h>
 #include <linux/sched.h>
 #include <linux/cpumask.h>
@@ -2446,33 +2446,26 @@ static void kvm_exit_debug(void)
        debugfs_remove(kvm_debugfs_dir);
 }
 
-static int kvm_suspend(struct sys_device *dev, pm_message_t state)
+static int kvm_suspend(void)
 {
        if (kvm_usage_count)
                hardware_disable_nolock(NULL);
        return 0;
 }
 
-static int kvm_resume(struct sys_device *dev)
+static void kvm_resume(void)
 {
        if (kvm_usage_count) {
                WARN_ON(raw_spin_is_locked(&kvm_lock));
                hardware_enable_nolock(NULL);
        }
-       return 0;
 }
 
-static struct sysdev_class kvm_sysdev_class = {
-       .name = "kvm",
+static struct syscore_ops kvm_syscore_ops = {
        .suspend = kvm_suspend,
        .resume = kvm_resume,
 };
 
-static struct sys_device kvm_sysdev = {
-       .id = 0,
-       .cls = &kvm_sysdev_class,
-};
-
 struct page *bad_page;
 pfn_t bad_pfn;
 
@@ -2556,14 +2549,6 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
                goto out_free_2;
        register_reboot_notifier(&kvm_reboot_notifier);
 
-       r = sysdev_class_register(&kvm_sysdev_class);
-       if (r)
-               goto out_free_3;
-
-       r = sysdev_register(&kvm_sysdev);
-       if (r)
-               goto out_free_4;
-
        /* A kmem cache lets us meet the alignment requirements of fx_save. */
        if (!vcpu_align)
                vcpu_align = __alignof__(struct kvm_vcpu);
@@ -2571,7 +2556,7 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
                                           0, NULL);
        if (!kvm_vcpu_cache) {
                r = -ENOMEM;
-               goto out_free_5;
+               goto out_free_3;
        }
 
        r = kvm_async_pf_init();
@@ -2588,6 +2573,8 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
                goto out_unreg;
        }
 
+       register_syscore_ops(&kvm_syscore_ops);
+
        kvm_preempt_ops.sched_in = kvm_sched_in;
        kvm_preempt_ops.sched_out = kvm_sched_out;
 
@@ -2599,10 +2586,6 @@ out_unreg:
        kvm_async_pf_deinit();
 out_free:
        kmem_cache_destroy(kvm_vcpu_cache);
-out_free_5:
-       sysdev_unregister(&kvm_sysdev);
-out_free_4:
-       sysdev_class_unregister(&kvm_sysdev_class);
 out_free_3:
        unregister_reboot_notifier(&kvm_reboot_notifier);
        unregister_cpu_notifier(&kvm_cpu_notifier);
@@ -2630,8 +2613,7 @@ void kvm_exit(void)
        misc_deregister(&kvm_dev);
        kmem_cache_destroy(kvm_vcpu_cache);
        kvm_async_pf_deinit();
-       sysdev_unregister(&kvm_sysdev);
-       sysdev_class_unregister(&kvm_sysdev_class);
+       unregister_syscore_ops(&kvm_syscore_ops);
        unregister_reboot_notifier(&kvm_reboot_notifier);
        unregister_cpu_notifier(&kvm_cpu_notifier);
        on_each_cpu(hardware_disable_nolock, NULL, 1);