Re: [Xen-devel] [PATCH v2 2/2] x86/hvm/viridian: Enable APIC assist enlightenment

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Wed, Mar 16, 2016 at 03:35:03PM +0000, Paul Durrant wrote:
> This patch adds code to enable the APIC assist enlightenment which,
> under certain conditions, means that the guest can avoid an EOI of
> the local APIC and thereby avoid a VMEXIT.
> 
> Use of the enlightenment by the hypervisor is under control of the
> toolstack, and is added to the default set.
> 
> Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
> Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
> Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
> Cc: Keir Fraser <keir@xxxxxxx>
> Cc: Jan Beulich <jbeulich@xxxxxxxx>
> Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> ---
> 
> v2:
>  - Removed some code duplication and unnecessary read-modify-write
>    operations on the APIC assist word.
>  - Stated in the xl.cfg text that the enlightenment has no effect if
>    posted interrupts are in use.
>  - Added the enlightenment to the default set.

But you missed the sprinkling of spaces..

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