evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

xen/vcpu: Fix vcpu restore path.

Browse source 
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
Show stats Download patch file Download diff file Expand all files Collapse all files

7
arch/x86/xen/enlighten.c
View file

@ -193,10 +193,11 @@ void xen_vcpu_restore(void)
{ {
int cpu; int cpu;
for_each_online_cpu(cpu) { for_each_possible_cpu(cpu) {
bool other_cpu = (cpu != smp_processor_id()); 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)) HYPERVISOR_vcpu_op(VCPUOP_down, cpu, NULL))
BUG(); BUG();
@ -205,7 +206,7 @@ void xen_vcpu_restore(void)
if (have_vcpu_info_placement) if (have_vcpu_info_placement)
xen_vcpu_setup(cpu); xen_vcpu_setup(cpu);
if (other_cpu && if (other_cpu && is_up &&
HYPERVISOR_vcpu_op(VCPUOP_up, cpu, NULL)) HYPERVISOR_vcpu_op(VCPUOP_up, cpu, NULL))
BUG(); BUG();
} }