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Commit 01a745ac authored by David Hildenbrand's avatar David Hildenbrand Committed by Christian Borntraeger
Browse files

KVM: s390: store cpu id in vcpu->cpu when scheduled in 



By storing the cpu id, we have a way to verify if the current cpu is
owning a VCPU.

Signed-off-by: default avatarDavid Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
parent dce382b6

arch/s390/kvm/kvm-s390.c

+2 −0
Original line number Diff line number Diff line
@@ -1449,10 +1449,12 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) 
	restore_access_regs(vcpu->run->s.regs.acrs);

	gmap_enable(vcpu->arch.gmap);

	atomic_or(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);

	vcpu->cpu = cpu;

}



void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)

{

	vcpu->cpu = -1;

	atomic_andnot(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);

	gmap_disable(vcpu->arch.gmap);