From: Paolo Bonzini Date: Fri, 21 Feb 2014 09:55:44 +0000 (+0100) Subject: KVM: vmx: we do rely on loading DR7 on entry X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=c845f9c646e646e6a5fe416c2e835342984249f7;p=openwrt%2Fstaging%2Fblogic.git KVM: vmx: we do rely on loading DR7 on entry Currently, this works even if the bit is not in "min", because the bit is always set in MSR_IA32_VMX_ENTRY_CTLS. Mention it for the sake of documentation, and to avoid surprises if we later switch to MSR_IA32_VMX_TRUE_ENTRY_CTLS. Signed-off-by: Paolo Bonzini --- diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index fcc1947db296..b2a913bb07e0 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2871,7 +2871,7 @@ static __init int setup_vmcs_config(struct vmcs_config *vmcs_conf) !(_vmexit_control & VM_EXIT_ACK_INTR_ON_EXIT)) _pin_based_exec_control &= ~PIN_BASED_POSTED_INTR; - min = 0; + min = VM_ENTRY_LOAD_DEBUG_CONTROLS; opt = VM_ENTRY_LOAD_IA32_PAT | VM_ENTRY_LOAD_BNDCFGS; if (adjust_vmx_controls(min, opt, MSR_IA32_VMX_ENTRY_CTLS, &_vmentry_control) < 0)