[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH V4 00/10] xen: Switch to virtual mapped linear p2m list
On Mon, Dec 01, 2014 at 01:54:11PM +0100, Juergen Gross wrote: > On 12/01/2014 12:31 PM, David Vrabel wrote: > >On 28/11/14 10:53, Juergen Gross wrote: > >>Paravirtualized kernels running on Xen use a three level tree for > >>translation of guest specific physical addresses to machine global > >>addresses. This p2m tree is used for construction of page table > >>entries, so the p2m tree walk is performance critical. > >> > >>By using a linear virtual mapped p2m list accesses to p2m elements > >>can be sped up while even simplifying code. To achieve this goal > >>some p2m related initializations have to be performed later in the > >>boot process, as the final p2m list can be set up only after basic > >>memory management functions are available. > > > >What are the results of the testing I asked for? > > You asked for those replying to the patch introducing the linear > mapping. So I added the description of the tested scenarios in the > patch description of that patch. > > >If Konrad or Boris are happy with this series I think it can go into 3.19. > > Great, thanks! I am happy. > > > Juergen > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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