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Commit 9d328a94 authored by Wei Liu's avatar Wei Liu Committed by Konrad Rzeszutek Wilk
Browse files

xen/vcpu: Fix vcpu restore path. 



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

Acked-by: default avatarJan Beulich <jbeulich@suse.com>
Signed-off-by: default avatarWei Liu <wei.liu2@citrix.com>
Signed-off-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
parent cc31fd9c

arch/x86/xen/enlighten.c

+4 −3
Original line number Diff line number Diff line
@@ -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();

	}