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From acedcdc24c0aad54530c0d41958b19981207e803 Mon Sep 17 00:00:00 2001
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From: Eduardo Habkost <ehabkost@redhat.com>
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Date: Thu, 23 Feb 2017 14:29:38 +0100
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Subject: [PATCH 08/17] target-i386: kvm_cpu_fill_host(): Fill feature words in
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a loop
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RH-Author: Eduardo Habkost <ehabkost@redhat.com>
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Message-id: <20170223142945.17790-8-ehabkost@redhat.com>
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Patchwork-id: 74038
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O-Subject: [RHEL-7.4 qemu-kvm PATCH v2 07/14] target-i386: kvm_cpu_fill_host(): Fill feature words in a loop
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Bugzilla: 1382122
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RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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RH-Acked-by: Igor Mammedov <imammedo@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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Now that the kvm_cpu_fill_host() code is simplified, we can simply set
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the feature word array using a simple loop.
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Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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(cherry picked from commit 2bc65d2b020887da3eb9043ae4f7d133ed85a7fe)
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Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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target-i386/cpu.c | 29 +++++++----------------------
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1 file changed, 7 insertions(+), 22 deletions(-)
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diff --git a/target-i386/cpu.c b/target-i386/cpu.c
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index 1515b87..22ad4f9 100644
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--- a/target-i386/cpu.c
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+++ b/target-i386/cpu.c
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@@ -1268,28 +1268,13 @@ static void kvm_cpu_fill_host(x86_def_t *x86_cpu_def)
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cpu_x86_fill_model_id(x86_cpu_def->model_id);
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- x86_cpu_def->features[FEAT_1_EDX] =
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- kvm_arch_get_supported_cpuid(s, 0x1, 0, R_EDX);
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- x86_cpu_def->features[FEAT_1_ECX] =
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- kvm_arch_get_supported_cpuid(s, 0x1, 0, R_ECX);
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- x86_cpu_def->features[FEAT_7_0_EBX] =
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- kvm_arch_get_supported_cpuid(s, 0x7, 0, R_EBX);
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- x86_cpu_def->features[FEAT_7_0_ECX] =
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- kvm_arch_get_supported_cpuid(s, 0x7, 0, R_ECX);
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- x86_cpu_def->features[FEAT_7_0_EDX] =
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- kvm_arch_get_supported_cpuid(s, 0x7, 0, R_EDX);
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- x86_cpu_def->features[FEAT_XSAVE] =
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- kvm_arch_get_supported_cpuid(s, 0xd, 1, R_EAX);
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- x86_cpu_def->features[FEAT_8000_0001_EDX] =
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- kvm_arch_get_supported_cpuid(s, 0x80000001, 0, R_EDX);
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- x86_cpu_def->features[FEAT_8000_0001_ECX] =
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- kvm_arch_get_supported_cpuid(s, 0x80000001, 0, R_ECX);
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- x86_cpu_def->features[FEAT_C000_0001_EDX] =
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- kvm_arch_get_supported_cpuid(s, 0xC0000001, 0, R_EDX);
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- x86_cpu_def->features[FEAT_SVM] =
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- kvm_arch_get_supported_cpuid(s, 0x8000000A, 0, R_EDX);
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- x86_cpu_def->features[FEAT_KVM] =
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- kvm_arch_get_supported_cpuid(s, KVM_CPUID_FEATURES, 0, R_EAX);
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+ FeatureWord w;
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+ for (w = 0; w < FEATURE_WORDS; w++) {
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+ FeatureWordInfo *wi = &feature_word_info[w];
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+ x86_cpu_def->features[w] =
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+ kvm_arch_get_supported_cpuid(s, wi->cpuid_eax, wi->cpuid_ecx,
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+ wi->cpuid_reg);
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+ }
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#endif /* CONFIG_KVM */
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}
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--
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1.8.3.1
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