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xen/vcpu: Fix vcpu restore path.

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The runstate of vcpu should be restored for all possible cpus, as well as the
vcpu info placement.

Acked-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Wei Liu 2012-12-13 15:33:05 +00:00 committed by Konrad Rzeszutek Wilk
parent cc31fd9c4f
commit 9d328a948f
1 changed files with 4 additions and 3 deletions
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7
arch/x86/xen/enlighten.c
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@ -193,10 +193,11 @@ void xen_vcpu_restore(void)
{
int cpu;
for_each_online_cpu(cpu) {
for_each_possible_cpu(cpu) {
bool other_cpu = (cpu != smp_processor_id());
bool is_up = HYPERVISOR_vcpu_op(VCPUOP_is_up, cpu, NULL);
if (other_cpu &&
if (other_cpu && is_up &&
HYPERVISOR_vcpu_op(VCPUOP_down, cpu, NULL))
BUG();
@ -205,7 +206,7 @@ void xen_vcpu_restore(void)
if (have_vcpu_info_placement)
xen_vcpu_setup(cpu);
if (other_cpu &&
if (other_cpu && is_up &&
HYPERVISOR_vcpu_op(VCPUOP_up, cpu, NULL))
BUG();
}