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Re: [Xen-devel] [PATCH 2/2] pvh: set only minimal cr0 and cr4 flags in order to use paging

On 11/25/2013 01:25 PM, Jan Beulich wrote:
On 19.11.13 at 13:34, Roger Pau Monne <roger.pau@xxxxxxxxxx> wrote:
Right now Xen sets the WP and NE flags on cr0 for PVH, which are not
needed in order to boot with paging enabled. The same happens with
cr4, at least on my system OSFXSR, OSXMMEXCPT and MCE are enabled by
default when there's no need.

Signed-off-by: Roger Pau Monnà <roger.pau@xxxxxxxxxx>
So I'm still having this patch sitting in my queue, and I don't think I've
seen an ack from the VMX maintainers or the main PVH contributors.
At least one of the two I'd like to have in place before applying.

This sounds like a good idea to me, but I don't feel like I have a firm enough grasp to give a reviewed-by; so:

Acked-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx>

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