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target-i386: introduce kvm_put_one_msr 

Avoid further code duplication in the next patch.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2016-09-22 14:50:00 +02:00
parent a008535b9f
commit 73e1b8f2f9
1 changed files with 11 additions and 9 deletions
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20
target-i386/kvm.c
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@ -1532,6 +1532,14 @@ static void kvm_msr_entry_add(X86CPU *cpu, uint32_t index, uint64_t value)
msrs->nmsrs++;
}
static int kvm_put_one_msr(X86CPU *cpu, int index, uint64_t value)
{
kvm_msr_buf_reset(cpu);
kvm_msr_entry_add(cpu, index, value);
return kvm_vcpu_ioctl(CPU(cpu), KVM_SET_MSRS, cpu->kvm_msr_buf);
}
static int kvm_put_tscdeadline_msr(X86CPU *cpu)
{
CPUX86State *env = &cpu->env;
@ -1541,10 +1549,7 @@ static int kvm_put_tscdeadline_msr(X86CPU *cpu)
return 0;
}
kvm_msr_buf_reset(cpu);
kvm_msr_entry_add(cpu, MSR_IA32_TSCDEADLINE, env->tsc_deadline);
ret = kvm_vcpu_ioctl(CPU(cpu), KVM_SET_MSRS, cpu->kvm_msr_buf);
ret = kvm_put_one_msr(cpu, MSR_IA32_TSCDEADLINE, env->tsc_deadline);
if (ret < 0) {
return ret;
}
@ -1567,11 +1572,8 @@ static int kvm_put_msr_feature_control(X86CPU *cpu)
return 0;
}
kvm_msr_buf_reset(cpu);
kvm_msr_entry_add(cpu, MSR_IA32_FEATURE_CONTROL,
cpu->env.msr_ia32_feature_control);
ret = kvm_vcpu_ioctl(CPU(cpu), KVM_SET_MSRS, cpu->kvm_msr_buf);
ret = kvm_put_one_msr(cpu, MSR_IA32_FEATURE_CONTROL,
cpu->env.msr_ia32_feature_control);
if (ret < 0) {
return ret;
}