[HVM] Save/restore cleanups 01: PIT

Define public structure for the saved PIT data and use it instead
of a series of explicit loads and stores.
Don't save ephemeral Xen timer structs; rebuild them instead.
Signed-off-by: Tim Deegan <Tim.Deegan@xensource.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/xen/arch/x86/hvm/vioapic.c b/xen/arch/x86/hvm/vioapic.c
index 7e23726b29..120693ef09 100644
--- a/xen/arch/x86/hvm/vioapic.c
+++ b/xen/arch/x86/hvm/vioapic.c
@@ -312,7 +312,7 @@ static uint32_t ioapic_get_delivery_bitmask(
 static inline int pit_channel0_enabled(void)
 {
     PITState *pit = &current->domain->arch.hvm_domain.pl_time.vpit;
-    struct periodic_time *pt = &pit->channels[0].pt;
+    struct periodic_time *pt = &pit->pt[0];
     return pt->enabled;
 }