Patchwork [15/28] i386: kvm: filter CPUID leaf 7 based on GET_SUPPORTED_CPUID, too

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Submitter Marcelo Tosatti
Date Oct. 31, 2012, 9:39 a.m.
Message ID <ffa8c11f0bbf47e1b7a3a62f97bc1da591c6734a.1351676406.git.mtosatti@redhat.com>
Download mbox | patch
Permalink /patch/195841/
State New
Headers show

Comments

Marcelo Tosatti - Oct. 31, 2012, 9:39 a.m.
From: Eduardo Habkost <ehabkost@redhat.com>

Now that CPUID leaf 7 features can be enabled/disabled on the
command-line, we need to filter them properly using GET_SUPPORTED_CPUID,
at the same place where other features are filtered out.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 target-i386/cpu.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

Patch

diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index be16898..22d91ed 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -1384,6 +1384,8 @@  static void filter_features_for_kvm(X86CPU *cpu)
         kvm_arch_get_supported_cpuid(s, 0x80000001, 0, R_ECX);
     env->cpuid_svm_features  &=
         kvm_arch_get_supported_cpuid(s, 0x8000000A, 0, R_EDX);
+    env->cpuid_7_0_ebx_features &=
+        kvm_arch_get_supported_cpuid(s, 7, 0, R_EBX);
     env->cpuid_kvm_features &=
         kvm_arch_get_supported_cpuid(s, KVM_CPUID_FEATURES, 0, R_EAX);
     env->cpuid_ext4_features &=