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Re: [Xen-devel] [PATCH v6 2/4] x86/hvm: Treat non-instruction fetch nested page faults also as read violations
- To: "Kevin Tian" <kevin.tian@xxxxxxxxx>
- From: "Jan Beulich" <JBeulich@xxxxxxxx>
- Date: Fri, 15 Aug 2014 15:57:43 +0100
- Cc: "ian.campbell@xxxxxxxxxx" <ian.campbell@xxxxxxxxxx>, "stefano.stabellini@xxxxxxxxxxxxx" <stefano.stabellini@xxxxxxxxxxxxx>, Jun Nakajima <jun.nakajima@xxxxxxxxx>, AndrewCooper <andrew.cooper3@xxxxxxxxxx>, "ian.jackson@xxxxxxxxxxxxx" <ian.jackson@xxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxx>, Eddie Dong <eddie.dong@xxxxxxxxx>, "Aravind.Gopalakrishnan@xxxxxxx" <Aravind.Gopalakrishnan@xxxxxxx>, "suravee.suthikulpanit@xxxxxxx" <suravee.suthikulpanit@xxxxxxx>, Tamas Lengyel <tamas.lengyel@xxxxxxxxxxxx>, "boris.ostrovsky@xxxxxxxxxx" <boris.ostrovsky@xxxxxxxxxx>
- Delivery-date: Fri, 15 Aug 2014 14:58:06 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
>>> On 15.08.14 at 01:40, <kevin.tian@xxxxxxxxx> wrote:
>> From: Jan Beulich [mailto:JBeulich@xxxxxxxx]
>> The intended use is that pending patch I referred to, aiming at
>> reducing the number of GLA->GPA translations we're doing during
>> instruction emulation, which makes a severe difference to many-
>> vCPU guests e.g. heavily using the HPET from all their vCPU-s.
>
> Is attached patch what you're talking here?
Yes, that one.
Jan
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