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| author | Ian Campbell <ian.campbell@citrix.com> | 2011-02-17 11:04:20 +0000 |
|---|---|---|
| committer | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2011-02-25 16:43:11 +0000 |
| commit | 36b401e2c2788c7b4881115ddbbff603fe4cf78d (patch) | |
| tree | b6e3a794e84619d661ebd1d01216ce7dbe9d2e83 /drivers/xen | |
| parent | ceb180294790c8a6a437533488616f6b591b49d0 (diff) | |
| download | linux-36b401e2c2788c7b4881115ddbbff603fe4cf78d.tar.gz linux-36b401e2c2788c7b4881115ddbbff603fe4cf78d.tar.bz2 linux-36b401e2c2788c7b4881115ddbbff603fe4cf78d.zip | |
xen: suspend: pass extra hypercall argument via suspend_info struct
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'drivers/xen')
| -rw-r--r-- | drivers/xen/manage.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c index 5c0184fb9d84..6ce6b91e7645 100644 --- a/drivers/xen/manage.c +++ b/drivers/xen/manage.c @@ -36,6 +36,7 @@ static enum shutdown_state shutting_down = SHUTDOWN_INVALID; struct suspend_info { int cancelled; + unsigned long arg; /* extra hypercall argument */ }; #ifdef CONFIG_PM_SLEEP @@ -58,7 +59,7 @@ static int xen_hvm_suspend(void *data) * or the domain was merely checkpointed, and 0 if it * is resuming in a new domain. */ - si->cancelled = HYPERVISOR_suspend(0UL); + si->cancelled = HYPERVISOR_suspend(si->arg); xen_hvm_post_suspend(si->cancelled); gnttab_resume(); @@ -97,7 +98,7 @@ static int xen_suspend(void *data) * or the domain was merely checkpointed, and 0 if it * is resuming in a new domain. */ - si->cancelled = HYPERVISOR_suspend(virt_to_mfn(xen_start_info)); + si->cancelled = HYPERVISOR_suspend(si->arg); xen_post_suspend(si->cancelled); gnttab_resume(); @@ -150,6 +151,11 @@ static void do_suspend(void) si.cancelled = 1; if (xen_hvm_domain()) + si.arg = 0UL; + else + si.arg = virt_to_mfn(xen_start_info); + + if (xen_hvm_domain()) err = stop_machine(xen_hvm_suspend, &si, cpumask_of(0)); else err = stop_machine(xen_suspend, &si, cpumask_of(0)); |