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Commit ff7158b2 authored by Thomas Huth's avatar Thomas Huth Committed by Paolo Bonzini
Browse files

KVM: s390: Allow NULL parameter for kvm_s390_get_regs_rre 



We're not always interested in both registers that are specified
for an RRE instruction. So allow NULL as parameter, too, to indicate
that we do not need the corresponding value.

Signed-off-by: default avatarThomas Huth <thuth@linux.vnet.ibm.com>
Reviewed-by: default avatarCornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 800c1065

arch/s390/kvm/kvm-s390.h

+4 −2
Original line number Diff line number Diff line
@@ -90,7 +90,9 @@ static inline void kvm_s390_get_base_disp_sse(struct kvm_vcpu *vcpu, 


static inline void kvm_s390_get_regs_rre(struct kvm_vcpu *vcpu, int *r1, int *r2)

{

	if (r1)

		*r1 = (vcpu->arch.sie_block->ipb & 0x00f00000) >> 20;

	if (r2)

		*r2 = (vcpu->arch.sie_block->ipb & 0x000f0000) >> 16;

}