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[Xen-devel] Re: performance regression from c/s 21647:cfba1560054a

from [Jan Beulich] [Permanent Link][Original]
To: "Stefano Stabellini" <stefano.stabellini@xxxxxxxxxxxxx>
Subject: [Xen-devel] Re: performance regression from c/s 21647:cfba1560054a
From: "Jan Beulich" <JBeulich@xxxxxxxx>
Date: Thu, 10 Nov 2011 15:11:21 +0000
Cc: Gianluca Guida <glguida@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Tim \(Xen.org\)" <tim@xxxxxxx>, Gianluca Guida <gianluca.guida@xxxxxxxxxx>
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>>> 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.

Jan


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