Re: [Xen-devel] [PATCH] grant-table: don't set m2p override if kmap_ops is not set

[Roger Pau Monnà <roger.pau@xxxxxxxxxx>]

On 05/11/13 12:24, Roger Pau Monne wrote:
> IMHO there's no reason to set a m2p override if the mapping is done in
> kernel space, so only set the m2p override when kmap_ops is set.
> 
> When kmap_ops is not set, just set the correct p2m translation, this
> avoids touching the m2p lock, reducing contention around it.
> 
> Signed-off-by: Roger Pau Monnà <roger.pau@xxxxxxxxxx>
> Reported-by: Matt Wilson <msw@xxxxxxxxxx>
> Cc: Matt Wilson <msw@xxxxxxxxxx>
> Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> Cc: David Vrabel <david.vrabel@xxxxxxxxxx>
> Cc: Boris Ostrovsky <david.vrabel@xxxxxxxxxx>

Sorry Boris, I got your address wrong.


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