From: Gleb Natapov <gleb@redhat.com>
To: Jan Kiszka <jan.kiszka@web.de>
Cc: Paolo Bonzini <pbonzini@redhat.com>, kvm <kvm@vger.kernel.org>,
Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>,
Jun Nakajima <jun.nakajima@intel.com>,
Yang Zhang <yang.z.zhang@intel.com>
Subject: Re: [PATCH 1/7] KVM: nEPT: Advertise WB type EPTP
Date: Mon, 5 Aug 2013 16:12:32 +0300 [thread overview]
Message-ID: <20130805131232.GH10891@redhat.com> (raw)
In-Reply-To: <e384f0e43dcb83eb2dba3984ec50d6655f052c72.1375638539.git.jan.kiszka@web.de>
On Sun, Aug 04, 2013 at 07:49:00PM +0200, Jan Kiszka wrote:
> From: Jan Kiszka <jan.kiszka@siemens.com>
>
> At least WB must be possible.
>
> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Gleb Natapov <gleb@redhat.com>
> ---
> arch/x86/kvm/vmx.c | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
> index e51bf4a..53050a0 100644
> --- a/arch/x86/kvm/vmx.c
> +++ b/arch/x86/kvm/vmx.c
> @@ -2250,8 +2250,8 @@ static __init void nested_vmx_setup_ctls_msrs(void)
> if (enable_ept) {
> /* nested EPT: emulate EPT also to L1 */
> nested_vmx_secondary_ctls_high |= SECONDARY_EXEC_ENABLE_EPT;
> - nested_vmx_ept_caps = VMX_EPT_PAGE_WALK_4_BIT;
> - nested_vmx_ept_caps |= VMX_EPT_INVEPT_BIT;
> + nested_vmx_ept_caps = VMX_EPT_PAGE_WALK_4_BIT |
> + VMX_EPTP_WB_BIT | VMX_EPT_INVEPT_BIT;
> nested_vmx_ept_caps &= vmx_capability.ept;
> /*
> * Since invept is completely emulated we support both global
> --
> 1.7.3.4
--
Gleb.
next prev parent reply other threads:[~2013-08-05 13:12 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-04 17:48 [PATCH 0/7] KVM: nVMX: Enable unrestricted guest mode and fix some nEPT issues Jan Kiszka
2013-08-04 17:49 ` [PATCH 1/7] KVM: nEPT: Advertise WB type EPTP Jan Kiszka
2013-08-05 13:12 ` Gleb Natapov [this message]
2013-08-04 17:49 ` [PATCH 2/7] KVM: nVMX: Replace kvm_set_cr0 with vmx_set_cr0 in load_vmcs12_host_state Jan Kiszka
2013-08-04 17:49 ` [PATCH 3/7] KVM: nVMX: Enable unrestricted guest mode support Jan Kiszka
2013-08-04 17:49 ` [PATCH 4/7] KVM: nVMX: Fix guest CR3 read-back on VM-exit Jan Kiszka
2013-08-04 17:49 ` [PATCH 5/7] KVM: nVMX: Load nEPT state after EFER Jan Kiszka
2013-08-04 17:49 ` [PATCH 6/7] KVM: nVMX: Implement support for EFER saving on VM-exit Jan Kiszka
2013-08-05 7:21 ` Arthur Chunqi Li
2013-08-05 7:35 ` Jan Kiszka
2013-08-04 17:49 ` [PATCH 7/7] KVM: nVMX: Update mmu.base_role.nxe after EFER loading on VM-entry/exit Jan Kiszka
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