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KVM: PPC: Fix ONE_REG AltiVec support
The get and set operations got exchanged by mistake when moving the
code from book3s.c to powerpc.c.
Fixes: 3840edc803
Cc: stable@vger.kernel.org # 3.18+
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
parent
696066f875
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@ -919,21 +919,17 @@ int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg)
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r = -ENXIO;
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break;
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}
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vcpu->arch.vr.vr[reg->id - KVM_REG_PPC_VR0] = val.vval;
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val.vval = vcpu->arch.vr.vr[reg->id - KVM_REG_PPC_VR0];
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break;
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case KVM_REG_PPC_VSCR:
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if (!cpu_has_feature(CPU_FTR_ALTIVEC)) {
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r = -ENXIO;
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break;
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}
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vcpu->arch.vr.vscr.u[3] = set_reg_val(reg->id, val);
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val = get_reg_val(reg->id, vcpu->arch.vr.vscr.u[3]);
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break;
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case KVM_REG_PPC_VRSAVE:
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if (!cpu_has_feature(CPU_FTR_ALTIVEC)) {
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r = -ENXIO;
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break;
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}
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vcpu->arch.vrsave = set_reg_val(reg->id, val);
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val = get_reg_val(reg->id, vcpu->arch.vrsave);
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break;
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#endif /* CONFIG_ALTIVEC */
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default:
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@ -974,17 +970,21 @@ int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg)
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r = -ENXIO;
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break;
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}
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val.vval = vcpu->arch.vr.vr[reg->id - KVM_REG_PPC_VR0];
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vcpu->arch.vr.vr[reg->id - KVM_REG_PPC_VR0] = val.vval;
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break;
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case KVM_REG_PPC_VSCR:
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if (!cpu_has_feature(CPU_FTR_ALTIVEC)) {
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r = -ENXIO;
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break;
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}
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val = get_reg_val(reg->id, vcpu->arch.vr.vscr.u[3]);
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vcpu->arch.vr.vscr.u[3] = set_reg_val(reg->id, val);
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break;
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case KVM_REG_PPC_VRSAVE:
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val = get_reg_val(reg->id, vcpu->arch.vrsave);
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if (!cpu_has_feature(CPU_FTR_ALTIVEC)) {
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r = -ENXIO;
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break;
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}
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vcpu->arch.vrsave = set_reg_val(reg->id, val);
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break;
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#endif /* CONFIG_ALTIVEC */
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default:
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