Re: [PATCH v3 6/8] KVM:VMX: Load Guest CET via VMCS when CET is enabled in Guest

2019-03-08 Thread Paolo Bonzini
On 08/03/19 17:28, Sean Christopherson wrote: > On Mon, Mar 04, 2019 at 08:36:55PM +0800, Yang Weijiang wrote: >> On Mon, Mar 04, 2019 at 07:12:02PM -0800, Sean Christopherson wrote: >>> On Mon, Mar 04, 2019 at 05:56:40PM +0800, Yang Weijiang wrote: Cannot agree with you more! This is

Re: [PATCH v3 6/8] KVM:VMX: Load Guest CET via VMCS when CET is enabled in Guest

2019-03-08 Thread Sean Christopherson
On Mon, Mar 04, 2019 at 08:36:55PM +0800, Yang Weijiang wrote: > On Mon, Mar 04, 2019 at 07:12:02PM -0800, Sean Christopherson wrote: > > On Mon, Mar 04, 2019 at 05:56:40PM +0800, Yang Weijiang wrote: > > > Cannot agree with you more! > > > This is some design limitation, but from my point of

Re: [PATCH v3 6/8] KVM:VMX: Load Guest CET via VMCS when CET is enabled in Guest

2019-03-04 Thread Yang Weijiang
On Mon, Mar 04, 2019 at 07:12:02PM -0800, Sean Christopherson wrote: > On Mon, Mar 04, 2019 at 05:56:40PM +0800, Yang Weijiang wrote: > > On Mon, Mar 04, 2019 at 10:43:07AM -0800, Sean Christopherson wrote: > > > On Sun, Mar 03, 2019 at 08:26:08PM +0800, Yang Weijiang wrote: > > > > On Fri, Mar

Re: [PATCH v3 6/8] KVM:VMX: Load Guest CET via VMCS when CET is enabled in Guest

2019-03-04 Thread Sean Christopherson
On Mon, Mar 04, 2019 at 05:56:40PM +0800, Yang Weijiang wrote: > On Mon, Mar 04, 2019 at 10:43:07AM -0800, Sean Christopherson wrote: > > On Sun, Mar 03, 2019 at 08:26:08PM +0800, Yang Weijiang wrote: > > > On Fri, Mar 01, 2019 at 06:58:19AM -0800, Sean Christopherson wrote: > > > > On Thu, Feb

Re: [PATCH v3 6/8] KVM:VMX: Load Guest CET via VMCS when CET is enabled in Guest

2019-03-04 Thread Yang Weijiang
On Mon, Mar 04, 2019 at 10:43:07AM -0800, Sean Christopherson wrote: > On Sun, Mar 03, 2019 at 08:26:08PM +0800, Yang Weijiang wrote: > > On Fri, Mar 01, 2019 at 06:58:19AM -0800, Sean Christopherson wrote: > > > On Thu, Feb 28, 2019 at 04:38:44PM +0800, Yang Weijiang wrote: > > > > On Thu, Feb

Re: [PATCH v3 6/8] KVM:VMX: Load Guest CET via VMCS when CET is enabled in Guest

2019-03-04 Thread Sean Christopherson
On Sun, Mar 03, 2019 at 08:26:08PM +0800, Yang Weijiang wrote: > On Fri, Mar 01, 2019 at 06:58:19AM -0800, Sean Christopherson wrote: > > On Thu, Feb 28, 2019 at 04:38:44PM +0800, Yang Weijiang wrote: > > > On Thu, Feb 28, 2019 at 08:17:15AM -0800, Sean Christopherson wrote: > > > > On Mon, Feb

Re: [PATCH v3 6/8] KVM:VMX: Load Guest CET via VMCS when CET is enabled in Guest

2019-03-03 Thread Yang Weijiang
On Fri, Mar 01, 2019 at 06:58:19AM -0800, Sean Christopherson wrote: > On Thu, Feb 28, 2019 at 04:38:44PM +0800, Yang Weijiang wrote: > > On Thu, Feb 28, 2019 at 08:17:15AM -0800, Sean Christopherson wrote: > > > On Mon, Feb 25, 2019 at 09:27:14PM +0800, Yang Weijiang wrote: > > > > "Load Guest

Re: [PATCH v3 6/8] KVM:VMX: Load Guest CET via VMCS when CET is enabled in Guest

2019-03-01 Thread Sean Christopherson
On Thu, Feb 28, 2019 at 04:38:44PM +0800, Yang Weijiang wrote: > On Thu, Feb 28, 2019 at 08:17:15AM -0800, Sean Christopherson wrote: > > On Mon, Feb 25, 2019 at 09:27:14PM +0800, Yang Weijiang wrote: > > > "Load Guest CET state" bit controls whether guest CET states > > > will be loaded at Guest

Re: [PATCH v3 6/8] KVM:VMX: Load Guest CET via VMCS when CET is enabled in Guest

2019-02-28 Thread Yang Weijiang
On Thu, Feb 28, 2019 at 08:17:15AM -0800, Sean Christopherson wrote: > On Mon, Feb 25, 2019 at 09:27:14PM +0800, Yang Weijiang wrote: > > "Load Guest CET state" bit controls whether guest CET states > > will be loaded at Guest entry. Before doing that, KVM needs > > to check if CPU CET feature is

Re: [PATCH v3 6/8] KVM:VMX: Load Guest CET via VMCS when CET is enabled in Guest

2019-02-28 Thread Sean Christopherson
On Mon, Feb 25, 2019 at 09:27:14PM +0800, Yang Weijiang wrote: > "Load Guest CET state" bit controls whether guest CET states > will be loaded at Guest entry. Before doing that, KVM needs > to check if CPU CET feature is available. > > Signed-off-by: Zhang Yi Z > Signed-off-by: Yang Weijiang >

[PATCH v3 6/8] KVM:VMX: Load Guest CET via VMCS when CET is enabled in Guest

2019-02-25 Thread Yang Weijiang
"Load Guest CET state" bit controls whether guest CET states will be loaded at Guest entry. Before doing that, KVM needs to check if CPU CET feature is available. Signed-off-by: Zhang Yi Z Signed-off-by: Yang Weijiang --- arch/x86/kvm/vmx.c | 32 1 file