time and suspending sysdevs [was Re: Fixing MTRR smp breakage and suspending sysdevs.]

[Pavel Machek <pavel@ucw.cz>]

Hi!

> > >One thing I have noticed is that by adding the sysdev suspend/resume
> > >calls, I've gained a few seconds delay. I'll see if I can track down
> > the
> > >cause.

Sysdev suspend/resume calls should be added to swsusp1, too. Can
someone verify that this fixes stuff? I should get some sleep...

								Pavel

--- clean/kernel/power/disk.c	2004-10-01 00:30:32.000000000 +0200
+++ linux/kernel/power/disk.c	2004-10-29 00:30:40.000000000 +0200
@@ -102,6 +116,7 @@
 
 static void finish(void)
 {
+	sysdev_resume();
 	device_resume();
 	platform_finish();
 	enable_nonboot_cpus();
@@ -133,8 +148,12 @@
 	free_some_memory();
 
 	disable_nonboot_cpus();
-	if ((error = device_suspend(PM_SUSPEND_DISK)))
+	if ((error = device_suspend(PM_SUSPEND_DISK))) {
+		printk("Some devices failed to suspend\n");
 		goto Finish;
+	}
+
+	sysdev_suspend(POWER_SUSPEND_DISK);
 
 	return 0;
  Finish:
--- clean/kernel/power/swsusp.c	2004-10-19 14:16:29.000000000 +0200
+++ linux/kernel/power/swsusp.c	2004-10-29 00:32:26.000000000 +0200
@@ -825,6 +812,7 @@
 int swsusp_write(void)
 {
 	int error;
+	sysdev_resume();
 	device_resume();
 	lock_swapdevices();
 	error = write_suspend_image();


-- 
People were complaining that M$ turns users into beta-testers...
...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl!