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 <pbonzini@redhat.com>

parent c9a7953f

arch/x86/kvm/vmx.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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)