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Message-Id: <1242638585-18470-40-git-send-email-avi@redhat.com> Date: Mon, 18 May 2009 12:23:01 +0300 From: Avi Kivity <avi@...hat.com> To: linux-kernel@...r.kernel.org Cc: kvm@...r.kernel.org Subject: [PATCH 39/43] KVM: VMX: Zero the vpid module parameter if vpid is not supported This allows reading back how the hardware is configured. Signed-off-by: Avi Kivity <avi@...hat.com> --- arch/x86/kvm/vmx.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index f4b6c4b..9b97c8e 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -1202,6 +1202,9 @@ static __init int setup_vmcs_config(struct vmcs_config *vmcs_conf) vmx_capability.ept, vmx_capability.vpid); } + if (!cpu_has_vmx_vpid()) + enable_vpid = 0; + min = 0; #ifdef CONFIG_X86_64 min |= VM_EXIT_HOST_ADDR_SPACE_SIZE; @@ -2082,7 +2085,7 @@ static void allocate_vpid(struct vcpu_vmx *vmx) int vpid; vmx->vpid = 0; - if (!enable_vpid || !cpu_has_vmx_vpid()) + if (!enable_vpid) return; spin_lock(&vmx_vpid_lock); vpid = find_first_zero_bit(vmx_vpid_bitmap, VMX_NR_VPIDS); -- 1.6.0.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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