KVM: s390: remove diag318 reset code
The diag318 data must be set to 0 by VM-wide reset events
triggered by diag308. As such, KVM should not handle
resetting this data via the VCPU ioctls.
Fixes: 23a60f8344
("s390/kvm: diagnose 0x318 sync and reset")
Signed-off-by: Collin Walling <walling@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Link: https://lore.kernel.org/r/20201104181032.109800-1-walling@linux.ibm.com
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@ -3564,7 +3564,6 @@ static void kvm_arch_vcpu_ioctl_initial_reset(struct kvm_vcpu *vcpu)
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vcpu->arch.sie_block->pp = 0;
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vcpu->arch.sie_block->pp = 0;
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vcpu->arch.sie_block->fpf &= ~FPF_BPBC;
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vcpu->arch.sie_block->fpf &= ~FPF_BPBC;
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vcpu->arch.sie_block->todpr = 0;
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vcpu->arch.sie_block->todpr = 0;
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vcpu->arch.sie_block->cpnc = 0;
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}
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}
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}
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}
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@ -3582,7 +3581,6 @@ static void kvm_arch_vcpu_ioctl_clear_reset(struct kvm_vcpu *vcpu)
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regs->etoken = 0;
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regs->etoken = 0;
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regs->etoken_extension = 0;
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regs->etoken_extension = 0;
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regs->diag318 = 0;
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}
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}
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int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
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int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
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