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xen: suspend: refactor non-arch specific pre/post suspend hooks 

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Ian Campbell 2011-02-17 11:04:20 +00:00 committed by Stefano Stabellini
parent 03c8142bd2
commit 82043bb60d
1 changed files with 20 additions and 5 deletions
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25
drivers/xen/manage.c
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@ -39,6 +39,23 @@ struct suspend_info {
unsigned long arg; /* extra hypercall argument */ unsigned long arg; /* extra hypercall argument */
}; };
static void xen_hvm_post_suspend(void)
{
gnttab_resume();
}
static void xen_pre_suspend(void)
{
xen_mm_pin_all();
gnttab_suspend();
}
static void xen_post_suspend(void)
{
gnttab_resume();
xen_mm_unpin_all();
}
#ifdef CONFIG_PM_SLEEP #ifdef CONFIG_PM_SLEEP
static int xen_hvm_suspend(void *data) static int xen_hvm_suspend(void *data)
{ {
@ -62,7 +79,7 @@ static int xen_hvm_suspend(void *data)
si->cancelled = HYPERVISOR_suspend(si->arg); si->cancelled = HYPERVISOR_suspend(si->arg);
xen_arch_hvm_post_suspend(si->cancelled); xen_arch_hvm_post_suspend(si->cancelled);
gnttab_resume(); xen_hvm_post_suspend();
if (!si->cancelled) { if (!si->cancelled) {
xen_irq_resume(); xen_irq_resume();
@ -89,8 +106,7 @@ static int xen_suspend(void *data)
return err; return err;
} }
xen_mm_pin_all(); xen_pre_suspend();
gnttab_suspend();
xen_arch_pre_suspend(); xen_arch_pre_suspend();
/* /*
@ -101,8 +117,7 @@ static int xen_suspend(void *data)
si->cancelled = HYPERVISOR_suspend(si->arg); si->cancelled = HYPERVISOR_suspend(si->arg);
xen_arch_post_suspend(si->cancelled); xen_arch_post_suspend(si->cancelled);
gnttab_resume(); xen_post_suspend();
xen_mm_unpin_all();
if (!si->cancelled) { if (!si->cancelled) {
xen_irq_resume(); xen_irq_resume();