Re: [Xen-devel] [PATCH v4 2/8] x86: disable XPTI when RDCL_NO

2018-03-21 Thread Wei Liu
On Mon, Mar 19, 2018 at 07:43:09AM -0600, Jan Beulich wrote: > >>> On 19.03.18 at 14:38, wrote: > > Use the respective ARCH_CAPABILITIES MSR bit, but don't expose the MSR > > to guests yet. > > > > Signed-off-by: Jan Beulich > > Tested-by: Juergen Gross > > Reviewed-by: Juergen Gross > > Revie

Re: [Xen-devel] [PATCH v4 2/8] x86: disable XPTI when RDCL_NO

2018-03-19 Thread Jan Beulich
>>> On 19.03.18 at 14:38, wrote: > Use the respective ARCH_CAPABILITIES MSR bit, but don't expose the MSR > to guests yet. > > Signed-off-by: Jan Beulich > Tested-by: Juergen Gross > Reviewed-by: Juergen Gross > Reviewed-by: Andrew Cooper > --- > v3: Re-base. > v2: New. And I realize I've on

[Xen-devel] [PATCH v4 2/8] x86: disable XPTI when RDCL_NO

2018-03-19 Thread Jan Beulich
Use the respective ARCH_CAPABILITIES MSR bit, but don't expose the MSR to guests yet. Signed-off-by: Jan Beulich Tested-by: Juergen Gross Reviewed-by: Juergen Gross Reviewed-by: Andrew Cooper --- v3: Re-base. v2: New. --- a/tools/libxl/libxl_cpuid.c +++ b/tools/libxl/libxl_cpuid.c @@ -204,6 +