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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH]: Fix Xen domU boot with batched mprotect
>>> Jeremy Fitzhardinge <jeremy@xxxxxxxx> 15.10.08 18:23 >>> >> But >> performance-wise, CONFIG_HIGHPTE sucks under Xen anyway, so you'd >> better not turn this on in the first place. We may want/need to provide >> a means to disable this at run time so the same kernel when run natively >> could still make use of it, but without impacting performance under Xen. >> > >That's a secondary issue. What's the source of the performance hit? >Just all the extra kmap_atomic operations? Yes, afaict. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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