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Commit 0f107682 authored by Wanpeng Li's avatar Wanpeng Li Committed by Paolo Bonzini
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KVM: VMX: Don't expose PLE enable if there is no hardware support 



KVM doesn't expose the PLE capability to the L1 hypervisor, however,
ple_window still shows the default value on L1 hypervisor. This patch
fixes it by clearing all the PLE related module parameter if there is
no PLE capability.

Reviewed-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: default avatarWanpeng Li <wanpeng.li@hotmail.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: default avatarRadim Krčmář <rkrcmar@redhat.com>
parent 8a60aea6

arch/x86/kvm/vmx.c

+6 −1
Original line number Diff line number Diff line
@@ -6779,8 +6779,13 @@ static __init int hardware_setup(void) 
	if (enable_ept && !cpu_has_vmx_ept_2m_page())

		kvm_disable_largepages();



	if (!cpu_has_vmx_ple())

	if (!cpu_has_vmx_ple()) {

		ple_gap = 0;

		ple_window = 0;

		ple_window_grow = 0;

		ple_window_max = 0;

		ple_window_shrink = 0;

	}



	if (!cpu_has_vmx_apicv()) {

		enable_apicv = 0;