Re: [Xen-devel] RFC: [0/2] Remove netloop by lazy copying in netback

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 27/3/07 01:35, "Herbert Xu" <herbert@xxxxxxxxxxxxxxxxxxx> wrote:

>> How about you invalidate the PTE for the duration of the critical section.
>> It's a bit skanky, but would work around this issue quite nicely!
> 
> Maybe I am missing something.  Because I thought we've agreed that
> we can't (or don't want to) do the PTE trick because of the large
> pages (16MB at least) used for the identity mapping.

Oh yes, good point. Well, see my follow-up email for another suggestion. :-)

 -- Keir



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