Re: [PATCH] kvm tools: adds a PCI device that exports a host shared segment as a PCI BAR in the guest

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Subject: Re: [PATCH] kvm tools: adds a PCI device that exports a host shared segment as a PCI BAR in the guest
From: Avi Kivity <avi@xxxxxxxxxx>
Date: Sun, 28 Aug 2011 10:34:45 +0300
Cc: Sasha Levin <levinsasha928@xxxxxxxxx>, Stefan Hajnoczi <stefanha@xxxxxxxxx>, Pekka Enberg <penberg@xxxxxxxxxx>, Alexander Graf <agraf@xxxxxxx>, kvm@xxxxxxxxxxxxxxx, cam@xxxxxxxxxxxxxx
In-reply-to: <20110825220353.GC27983@dancer.ca.sandia.gov>
References: <232C9ABA-F703-4AE5-83BC-774C715D4D8F@suse.de> <20110825044913.GA24996@dancer.ca.sandia.gov> <1314248794.32391.60.camel@jaguar> <CAJSP0QVB-7Bncx8K4udnC=BZq1994u44_8t0rddFDMQaHYLH7Q@mail.gmail.com> <CAOJsxLFDg+xZ0=eDC5NkAAPNf71nSXYQvYfe2jSRr9p=dE4wEQ@mail.gmail.com> <CAJSP0QW3SWDtq_CJzohQ+xz66OkD1ABsYM4scnp2YTmDVsONKg@mail.gmail.com> <1314271548.3692.22.camel@lappy> <30669_1314285268_p7PFESZN013126_20110825150806.GF24996@dancer.ca.sandia.gov> <20110825210018.GA27983@dancer.ca.sandia.gov> <4E56BA67.9000901@redhat.com> <20110825220353.GC27983@dancer.ca.sandia.gov>
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On 08/26/2011 01:03 AM, David Evensky wrote:

I need to specify the physical address because I need to ioremap the
memory during boot.


Did you consider pci_ioremap_bar()?

The production issue I think is a memory limitation. We certainly do
use QEMU a lot; but for this the kvm tool is a better fit.


What is this memory limitation?

--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

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Follow-Ups:
- Re: [PATCH] kvm tools: adds a PCI device that exports a host shared segment as a PCI BAR in the guest
  - From: David Evensky

References:
- Re: [PATCH] kvm tools: adds a PCI device that exports a host shared segment as a PCI BAR in the guest
  - From: Alexander Graf
- Re: [PATCH] kvm tools: adds a PCI device that exports a host shared segment as a PCI BAR in the guest
  - From: David Evensky
- Re: [PATCH] kvm tools: adds a PCI device that exports a host shared segment as a PCI BAR in the guest
  - From: Pekka Enberg
- Re: [PATCH] kvm tools: adds a PCI device that exports a host shared segment as a PCI BAR in the guest
  - From: Stefan Hajnoczi
- Re: [PATCH] kvm tools: adds a PCI device that exports a host shared segment as a PCI BAR in the guest
  - From: Pekka Enberg
- Re: [PATCH] kvm tools: adds a PCI device that exports a host shared segment as a PCI BAR in the guest
  - From: Stefan Hajnoczi
- Re: [PATCH] kvm tools: adds a PCI device that exports a host shared segment as a PCI BAR in the guest
  - From: Sasha Levin
- Re: [PATCH] kvm tools: adds a PCI device that exports a host shared segment as a PCI BAR in the guest
  - From: David Evensky
- Re: [PATCH] kvm tools: adds a PCI device that exports a host shared segment as a PCI BAR in the guest
  - From: Avi Kivity
- Re: [PATCH] kvm tools: adds a PCI device that exports a host shared segment as a PCI BAR in the guest
  - From: David Evensky

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