[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] Re: performance regression from c/s 21647:cfba1560054a
>>> On 10.11.11 at 16:16, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> wrote: > On Thu, 10 Nov 2011, Jan Beulich wrote: >> >>> On 10.11.11 at 15:59, Stefano Stabellini >> >>> <stefano.stabellini@xxxxxxxxxxxxx> >> wrote: >> > On Thu, 10 Nov 2011, Jan Beulich wrote: >> >> It's SLE11 SP1 guests that suffered a regression after a maintenance >> >> update (originally shipped with 4.0.0, while that patch got backported >> >> later into 4.0.x). >> > >> > Is SLES11 SP1 using HVMOP_pagetable_dying (see >> > arch/x86/xen/mmu.c:xen_hvm_init_mmu_ops)? >> >> No, it's not. > > well, it should, not to fix this problem but because it is a significant > performance improvement when running on shadow Well - if you have suggestions on how to do this (a) in 2.6.32.x, (b) without turning on CONFIG_XEN, and (c) without massive patching, them I'm all for it. Jan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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