Displaying 2 results from an estimated 2 matches for "pmsg_resum".
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pmsg_resume
2011 Feb 07
26
[PATCH 0/2] Fix hangup after creating checkpoint on Xen.
Hi,
The following patch series fixes hangup after creating checkpoint on
Xen. The Linux Xen guest can be saved the state to restore later, and
also created snapshot like checkpoint via the hypervisor.
But, when the snapshot is created for the PV guest, it will hangup.
We added ''PMSG_CANCEL'' message and ''cancel'' handler in dev_pm_ops
struct in the pm-linux
2011 Feb 16
4
[PATCH] xen: use freeze/restore/thaw PM events for suspend/resume/chkpt
...MSG_SUSPEND);
+ err = dpm_suspend_noirq(PMSG_FREEZE);
if (err) {
printk(KERN_ERR "dpm_suspend_noirq failed: %d\n", err);
goto out_resume;
@@ -134,7 +134,7 @@ static void do_suspend(void)
else
err = stop_machine(xen_suspend, &cancelled, cpumask_of(0));
- dpm_resume_noirq(PMSG_RESUME);
+ dpm_resume_noirq(cancelled ? PMSG_THAW : PMSG_RESTORE);
if (err) {
printk(KERN_ERR "failed to start xen_suspend: %d\n", err);
@@ -148,7 +148,7 @@ out_resume:
} else
xs_suspend_cancel();
- dpm_resume_end(PMSG_RESUME);
+ dpm_resume_end(cancelled ? PMSG_THAW : PMSG_RESTORE...