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[PULL,6/6] i386: hvf: Explicitly set CR4 guest/host mask

Message ID 20200716181903.1895314-7-ehabkost@redhat.com
State New
Headers show
Series [PULL,1/6] i368/cpu: Clear env->user_features after loading versioned CPU model | expand

Commit Message

Eduardo Habkost July 16, 2020, 6:19 p.m. UTC 
From: Roman Bolshakov <r.bolshakov@yadro.com>

Removal of register reset omitted initialization of CR4 guest/host mask.
x86_64 guests aren't booting without it.

Fixes: 5009ef22c6bb2 ("i386: hvf: Don't duplicate register reset")
Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Message-Id: <20200714090726.41082-1-r.bolshakov@yadro.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
 target/i386/hvf/vmx.h | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/target/i386/hvf/vmx.h b/target/i386/hvf/vmx.h
index 75ba1e2a5f..587b1b8375 100644
--- a/target/i386/hvf/vmx.h
+++ b/target/i386/hvf/vmx.h
@@ -166,6 +166,7 @@  static inline void macvm_set_cr4(hv_vcpuid_t vcpu, uint64_t cr4)
 
     wvmcs(vcpu, VMCS_GUEST_CR4, guest_cr4);
     wvmcs(vcpu, VMCS_CR4_SHADOW, cr4);
+    wvmcs(vcpu, VMCS_CR4_MASK, CR4_VMXE);
 
     hv_vcpu_invalidate_tlb(vcpu);
     hv_vcpu_flush(vcpu);