Commit a4a4f191 authored Mar 31, 2015 by Guenther Hutzl Committed by Christian Borntraeger May 08, 2015

KVM: s390: make EDAT1 depend on host support



We should only enable EDAT1 for the guest if the host actually supports
it and the cpu model for the guest has EDAT-1 enabled.

Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Guenther Hutzl <hutzl@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>

parent 785dbef4

arch/s390/kvm/kvm-s390.c

+5 −2

Original line number	Diff line number	Diff line
		@@ -1311,8 +1311,11 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)

		atomic_set(&vcpu->arch.sie_block->cpuflags, CPUSTAT_ZARCH \|
		CPUSTAT_SM \|
		CPUSTAT_STOPPED \|
		CPUSTAT_GED);
		CPUSTAT_STOPPED);

		if (test_kvm_facility(vcpu->kvm, 8))
		atomic_set_mask(CPUSTAT_GED, &vcpu->arch.sie_block->cpuflags);

		kvm_s390_vcpu_setup_model(vcpu);

		vcpu->arch.sie_block->ecb = 6;