[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Re: Poor performance on HVM (kernbench)
George Dunlap wrote: > Ah, that's the problem... Linux seems to have changed the location of > the 1:1 map. Gianluca's using an older kernel, where it's at > 0xffff810000000000, but this trace has it at 0xffff880000000000, so > the "guess" heuristic is missing. > > Jereme, is this a permanent long-term move, or is it going to be > something random? I.e., should we just add a new heuristic "guess" at > this address, or do we need to do something more complicated? > It's a permanent move. I moved it up to 0xffff880000000000 to leave space for Xen when running as a PV kernel, but there's no reasonable way to make it variable so the linear map will be there regardless of what mode the kernel is operating in. J _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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