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author | David S. Miller <davem@davemloft.net> | 2009-12-11 17:12:17 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2009-12-11 17:12:17 -0800 |
commit | 501706565b2d4d2d40d0d301d5411ede099b8a6f (patch) | |
tree | 142a18bf1f1e74a09dbfa27540b893ade0fd797d /drivers/xen/manage.c | |
parent | e93737b0f0159a61772894943199fd3b6f315641 (diff) | |
parent | 2fe77b81c77eed92c4c0439f74c8148a295b4a86 (diff) | |
download | linux-3.10-501706565b2d4d2d40d0d301d5411ede099b8a6f.tar.gz linux-3.10-501706565b2d4d2d40d0d301d5411ede099b8a6f.tar.bz2 linux-3.10-501706565b2d4d2d40d0d301d5411ede099b8a6f.zip |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts:
include/net/tcp.h
Diffstat (limited to 'drivers/xen/manage.c')
-rw-r--r-- | drivers/xen/manage.c | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c index 10d03d7931c..c4997930afc 100644 --- a/drivers/xen/manage.c +++ b/drivers/xen/manage.c @@ -43,7 +43,6 @@ static int xen_suspend(void *data) if (err) { printk(KERN_ERR "xen_suspend: sysdev_suspend failed: %d\n", err); - dpm_resume_noirq(PMSG_RESUME); return err; } @@ -69,7 +68,6 @@ static int xen_suspend(void *data) } sysdev_resume(); - dpm_resume_noirq(PMSG_RESUME); return 0; } @@ -81,6 +79,12 @@ static void do_suspend(void) shutting_down = SHUTDOWN_SUSPEND; + err = stop_machine_create(); + if (err) { + printk(KERN_ERR "xen suspend: failed to setup stop_machine %d\n", err); + goto out; + } + #ifdef CONFIG_PREEMPT /* If the kernel is preemptible, we need to freeze all the processes to prevent them from being in the middle of a pagetable update @@ -88,29 +92,32 @@ static void do_suspend(void) err = freeze_processes(); if (err) { printk(KERN_ERR "xen suspend: freeze failed %d\n", err); - return; + goto out_destroy_sm; } #endif err = dpm_suspend_start(PMSG_SUSPEND); if (err) { printk(KERN_ERR "xen suspend: dpm_suspend_start %d\n", err); - goto out; + goto out_thaw; } - printk(KERN_DEBUG "suspending xenstore...\n"); - xs_suspend(); - err = dpm_suspend_noirq(PMSG_SUSPEND); if (err) { printk(KERN_ERR "dpm_suspend_noirq failed: %d\n", err); - goto resume_devices; + goto out_resume; } + printk(KERN_DEBUG "suspending xenstore...\n"); + xs_suspend(); + err = stop_machine(xen_suspend, &cancelled, cpumask_of(0)); + + dpm_resume_noirq(PMSG_RESUME); + if (err) { printk(KERN_ERR "failed to start xen_suspend: %d\n", err); - goto out; + cancelled = 1; } if (!cancelled) { @@ -119,17 +126,21 @@ static void do_suspend(void) } else xs_suspend_cancel(); - dpm_resume_noirq(PMSG_RESUME); - -resume_devices: +out_resume: dpm_resume_end(PMSG_RESUME); /* Make sure timer events get retriggered on all CPUs */ clock_was_set(); -out: + +out_thaw: #ifdef CONFIG_PREEMPT thaw_processes(); + +out_destroy_sm: #endif + stop_machine_destroy(); + +out: shutting_down = SHUTDOWN_INVALID; } #endif /* CONFIG_PM_SLEEP */ |