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

from [Stefano Stabellini] [Permanent Link][Original]
To: Jan Beulich <JBeulich@xxxxxxxx>
Subject: [Xen-devel] Re: performance regression from c/s 21647:cfba1560054a
From: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Date: Thu, 10 Nov 2011 14:59:20 +0000
Cc: Gianluca Guida <glguida@xxxxxxxxx>, Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxxxxx>, "Tim \(Xen.org\)" <tim@xxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Gianluca Guida <gianluca.guida@xxxxxxxxxx>
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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)?

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