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| author | Ian Campbell <ian.campbell@citrix.com> | 2011-02-17 13:31:20 +0300 |
|---|---|---|
| committer | Ian Campbell <ian.campbell@citrix.com> | 2011-02-17 13:31:20 +0300 |
| commit | 8dd38383a51d0fb6b025dc330aaa3470281da3b2 (patch) | |
| tree | e1de2f65e13e9383b91697afe283f2e28d3fdeaa | |
| parent | 100b33c8bd8a3235fd0b7948338d6cbb3db3c63d (diff) | |
| download | linux-8dd38383a51d0fb6b025dc330aaa3470281da3b2.tar.xz | |
xen: suspend and resume system devices when running PVHVM
Otherwise we fail to properly suspend/resume all of the emulated devices.
Something between 2.6.38-rc2 and rc3 appears to have exposed this
issue, but it's always been wrong not to do this.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Jeremy Fitzhardinge <jeremy@goop.org>
| -rw-r--r-- | drivers/xen/manage.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c index db8c4c4ac880..24177272bcb8 100644 --- a/drivers/xen/manage.c +++ b/drivers/xen/manage.c @@ -37,11 +37,19 @@ static enum shutdown_state shutting_down = SHUTDOWN_INVALID; #ifdef CONFIG_PM_SLEEP static int xen_hvm_suspend(void *data) { + int err; struct sched_shutdown r = { .reason = SHUTDOWN_suspend }; int *cancelled = data; BUG_ON(!irqs_disabled()); + err = sysdev_suspend(PMSG_SUSPEND); + if (err) { + printk(KERN_ERR "xen_hvm_suspend: sysdev_suspend failed: %d\n", + err); + return err; + } + *cancelled = HYPERVISOR_sched_op(SCHEDOP_shutdown, &r); xen_hvm_post_suspend(*cancelled); @@ -53,6 +61,8 @@ static int xen_hvm_suspend(void *data) xen_timer_resume(); } + sysdev_resume(); + return 0; } |