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target-i386: Remove has_msr_mtrr global variable 

The global variable is not necessary because we can check the CPU
feature flags directly.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Eduardo Habkost 2016-09-26 19:03:29 -03:00
parent 96193c22ab
commit 1eabfce6d5
1 changed files with 2 additions and 6 deletions
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8
target-i386/kvm.c
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@ -99,7 +99,6 @@ static bool has_msr_hv_vpindex;
static bool has_msr_hv_runtime;
static bool has_msr_hv_synic;
static bool has_msr_hv_stimer;
static bool has_msr_mtrr;
static bool has_msr_xss;
static bool has_msr_architectural_pmu;
@ -975,9 +974,6 @@ int kvm_arch_init_vcpu(CPUState *cs)
}
cpu->kvm_msr_buf = g_malloc0(MSR_BUF_SIZE);
if (env->features[FEAT_1_EDX] & CPUID_MTRR) {
has_msr_mtrr = true;
}
if (!(env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_RDTSCP)) {
has_msr_tsc_aux = false;
}
@ -1735,7 +1731,7 @@ static int kvm_put_msrs(X86CPU *cpu, int level)
env->msr_hv_stimer_count[j]);
}
}
if (has_msr_mtrr) {
if (env->features[FEAT_1_EDX] & CPUID_MTRR) {
uint64_t phys_mask = MAKE_64BIT_MASK(0, cpu->phys_bits);
kvm_msr_entry_add(cpu, MSR_MTRRdefType, env->mtrr_deftype);
@ -2125,7 +2121,7 @@ static int kvm_get_msrs(X86CPU *cpu)
kvm_msr_entry_add(cpu, msr, 0);
}
}
if (has_msr_mtrr) {
if (env->features[FEAT_1_EDX] & CPUID_MTRR) {
kvm_msr_entry_add(cpu, MSR_MTRRdefType, 0);
kvm_msr_entry_add(cpu, MSR_MTRRfix64K_00000, 0);
kvm_msr_entry_add(cpu, MSR_MTRRfix16K_80000, 0);