Re: [Xen-devel] [PATCH] x86: add SSE-based copy_page()

["Jan Beulich" <jbeulich@xxxxxxxxxx>]

>>> Keir Fraser <keir.fraser@xxxxxxxxxxxxx> 19.11.08 22:21 >>>
>Looking at c/s 18724 again also I wonder what fixmap_domain_page() was
>introduced for, rather than just using map_domain_page(). Is it an attempt
>to reduce global TLB shootdowns? It's not very clear nor very pretty and I'd
>rather just kill it and use map_domain_page().

Yes, this and avoiding the need to take another lock.

Jan


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