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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-05-26 23:31:28 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2008-05-27 10:11:38 +0200 |
| commit | 359cdd3f866b6219a6729e313faf2221397f3278 (patch) | |
| tree | ec052599c175ee1ef0a2221670f18f6dad95cc77 /drivers/xen | |
| parent | 0e91398f2a5d4eb6b07df8115917d0d1cf3e9b58 (diff) | |
| download | linux-3.10-359cdd3f866b6219a6729e313faf2221397f3278.tar.gz linux-3.10-359cdd3f866b6219a6729e313faf2221397f3278.tar.bz2 linux-3.10-359cdd3f866b6219a6729e313faf2221397f3278.zip | |
xen: maintain clock offset over save/restore
Hook into the device model to make sure that timekeeping's resume handler
is called. This deals with our clocksource's non-monotonicity over the
save/restore. Explicitly call clock_has_changed() to make sure that
all the timers get retriggered properly.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/xen')
| -rw-r--r-- | drivers/xen/manage.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c index ba85fa2cff3..675c3dd2396 100644 --- a/drivers/xen/manage.c +++ b/drivers/xen/manage.c @@ -34,14 +34,21 @@ static enum shutdown_state shutting_down = SHUTDOWN_INVALID; static int xen_suspend(void *data) { int *cancelled = data; + int err; BUG_ON(!irqs_disabled()); load_cr3(swapper_pg_dir); + err = device_power_down(PMSG_SUSPEND); + if (err) { + printk(KERN_ERR "xen_suspend: device_power_down failed: %d\n", + err); + return err; + } + xen_mm_pin_all(); gnttab_suspend(); - xen_time_suspend(); xen_pre_suspend(); /* @@ -52,10 +59,11 @@ static int xen_suspend(void *data) *cancelled = HYPERVISOR_suspend(virt_to_mfn(xen_start_info)); xen_post_suspend(*cancelled); - xen_time_resume(); gnttab_resume(); xen_mm_unpin_all(); + device_power_up(); + if (!*cancelled) { xen_irq_resume(); xen_console_resume(); @@ -105,7 +113,8 @@ static void do_suspend(void) device_resume(); - + /* Make sure timer events get retriggered on all CPUs */ + clock_was_set(); out: #ifdef CONFIG_PREEMPT thaw_processes(); |