Re: [Xen-devel] [PATCH v3 2/8] x86/HVM: ignore guest INVD uses

2019-09-03 Thread Jan Beulich
On 03.09.2019 12:18, Andrew Cooper wrote: > On 03/09/2019 10:37, Jan Beulich wrote: >> The only place we'd expect the insn to be sensibly used is in >> (virtualization unaware) firmware. >> >> Suggested-by: Andrew Cooper >> Signed-off-by: Jan Beulich >> --- >> v3: New. >> >> --- a/xen/arch/x86/hv

Re: [Xen-devel] [PATCH v3 2/8] x86/HVM: ignore guest INVD uses

2019-09-03 Thread Andrew Cooper
On 03/09/2019 10:37, Jan Beulich wrote: > The only place we'd expect the insn to be sensibly used is in > (virtualization unaware) firmware. > > Suggested-by: Andrew Cooper > Signed-off-by: Jan Beulich > --- > v3: New. > > --- a/xen/arch/x86/hvm/emulate.c > +++ b/xen/arch/x86/hvm/emulate.c > @@ -

Re: [Xen-devel] [PATCH v3 2/8] x86/HVM: ignore guest INVD uses

2019-09-03 Thread Paul Durrant
> -Original Message- > From: Jan Beulich > Sent: 03 September 2019 10:38 > To: xen-devel@lists.xenproject.org > Cc: Andrew Cooper ; Paul Durrant > ; Roger Pau Monne > ; Wei Liu > Subject: [PATCH v3 2/8] x86/HVM: ignore guest INVD uses > > The only place we'd expect the insn to be sensib

[Xen-devel] [PATCH v3 2/8] x86/HVM: ignore guest INVD uses

2019-09-03 Thread Jan Beulich
The only place we'd expect the insn to be sensibly used is in (virtualization unaware) firmware. Suggested-by: Andrew Cooper Signed-off-by: Jan Beulich --- v3: New. --- a/xen/arch/x86/hvm/emulate.c +++ b/xen/arch/x86/hvm/emulate.c @@ -2210,11 +2210,18 @@ static int hvmemul_cache_op(