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KVM: s390: introduce defines for control registers

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In KVM code we use masks to test/set control registers.

Let's define the ones we use in arch/s390/include/asm/ctl_reg.h and
replace all occurrences in KVM code.

As we will be needing the define for Clock-comparator sign control soon,
let's also add it.

Suggested-by: Collin L. Walling <walling@linux.ibm.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Collin Walling <walling@linux.ibm.com>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
David Hildenbrand
2018-04-30 17:55:24 +02:00
committato da Christian Borntraeger
parent 20c922f04b
commit b9224cd738
4 ha cambiato i file con 30 aggiunte e 14 eliminazioni
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2
arch/s390/kvm/guestdbg.c
Vedi File

@@ -153,7 +153,7 @@ void kvm_s390_patch_guest_per_regs(struct kvm_vcpu *vcpu)
if (guestdbg_sstep_enabled(vcpu)) {
/* disable timer (clock-comparator) interrupts */
vcpu->arch.sie_block->gcr[0] &= ~0x800ul;
vcpu->arch.sie_block->gcr[0] &= ~CR0_CLOCK_COMPARATOR_SUBMASK;
vcpu->arch.sie_block->gcr[9] |= PER_EVENT_IFETCH;
vcpu->arch.sie_block->gcr[10] = 0;
vcpu->arch.sie_block->gcr[11] = -1UL;