Re: [Xen-devel] [PATCH] x86/EPT: defer enabling of A/D maintenance until PML get enabled

[George Dunlap <dunlapg@xxxxxxxxx>]

On Mon, Sep 28, 2015 at 3:42 PM, Jan Beulich <JBeulich@xxxxxxxx> wrote:
> There's no point in enabling the extra feature for every domain when
> we're not meaning to use it (yet). Just setting the flag should be
> sufficient - the domain is required to be paused for PML enabling
> anyway, i.e. hardware will pick up the new setting the next time
> each vCPU of the guest gets scheduled.
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> Cc: Kai Huang <kai.huang@xxxxxxxxxxxxxxx>

FWIW seems sensible to me.
 -George

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