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From: Peter Xu <peterx@redhat.com>
To: "Tian, Kevin" <kevin.tian@intel.com>
Cc: "Aviv B.D" <bd.aviv@gmail.com>, Jason Wang <jasowang@redhat.com>,
	Jan Kiszka <jan.kiszka@siemens.com>,
	Alex Williamson <alex.williamson@redhat.com>,
	"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	"Lan, Tianyu" <tianyu.lan@intel.com>
Subject: Re: [Qemu-devel] [PATCH v7 0/5] IOMMU: intel_iommu support map and unmap notifications
Date: Fri, 2 Dec 2016 14:58:25 +0800	[thread overview]
Message-ID: <20161202065825.GG21601@pxdev.xzpeter.org> (raw)
In-Reply-To: <AADFC41AFE54684AB9EE6CBC0274A5D18E07C49A@SHSMSX101.ccr.corp.intel.com>

On Fri, Dec 02, 2016 at 06:23:52AM +0000, Tian, Kevin wrote:

[...]

> > IIUC the vfio container is created in:
> > 
> >   vfio_realize
> >   vfio_get_group
> >   vfio_connect_container
> > 
> > Along the way (for vfio_get_group()), we have:
> > 
> >   group = vfio_get_group(groupid, pci_device_iommu_address_space(pdev), errp);
> > 
> > Here the address space is per device. If without vIOMMU, they will be
> > pointed to the same system address space. However if with vIOMMU,
> > that address space will be per-device, no?
> > 
> 
> yes, I didn't note that fact. Tianyu also pointed it out in his reply. :-)

Sorry I didn't see that just now. Thanks for the confirmation. :)

Thanks,

-- peterx

  reply	other threads:[~2016-12-02  6:58 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-28 15:51 [Qemu-devel] [PATCH v7 0/5] IOMMU: intel_iommu support map and unmap notifications Aviv B.D
2016-11-28 15:51 ` [Qemu-devel] [PATCH v7 1/5] IOMMU: add option to enable VTD_CAP_CM to vIOMMU capility exposoed to guest Aviv B.D
2016-12-01  4:25   ` Tian, Kevin
2016-11-28 15:51 ` [Qemu-devel] [PATCH v7 2/5] IOMMU: change iommu_op->translate's is_write to flags, add support to NO_FAIL flag mode Aviv B.D
2016-11-28 15:51 ` [Qemu-devel] [PATCH v7 3/5] IOMMU: enable intel_iommu map and unmap notifiers Aviv B.D
2016-11-29  3:23   ` 蓝天宇
2016-11-29  7:57     ` Aviv B.D.
2016-11-28 15:51 ` [Qemu-devel] [PATCH v7 4/5] IOMMU: add specific replay function with default implemenation Aviv B.D
2016-11-28 15:51 ` [Qemu-devel] [PATCH v7 5/5] IOMMU: add specific null implementation of iommu_replay to intel_iommu Aviv B.D
2016-11-28 16:36   ` Alex Williamson
2016-11-28 18:57     ` Aviv B.D.
2016-11-30  9:23 ` [Qemu-devel] [PATCH v7 0/5] IOMMU: intel_iommu support map and unmap notifications Peter Xu
2016-12-01  4:21   ` Tian, Kevin
2016-12-01  8:13     ` Lan Tianyu
2016-12-02  5:59     ` Peter Xu
2016-12-02  6:23       ` Tian, Kevin
2016-12-02  6:58         ` Peter Xu [this message]
2016-12-02 17:26       ` Alex Williamson
2016-12-01  8:27   ` Lan Tianyu
2016-12-02  6:08     ` Peter Xu
2016-12-02 17:30       ` Alex Williamson
2016-12-06  2:03         ` Lan, Tianyu
2016-12-06  2:18         ` Peter Xu
2016-12-01 15:42   ` Alex Williamson
2016-12-02  6:17     ` Peter Xu
2016-12-01  3:26 ` Tian, Kevin
2016-12-01  6:44 ` Lan Tianyu
2016-12-02  6:52   ` Peter Xu
2016-12-06  6:30     ` Lan Tianyu
2016-12-06  6:51       ` Peter Xu
2016-12-06  7:06         ` Lan Tianyu
2016-12-06  7:22           ` Peter Xu
2016-12-06  8:27             ` Lan Tianyu
2016-12-06 10:59               ` Peter Xu
2016-12-06 16:58                 ` Alex Williamson
2016-12-07  6:09                 ` Lan Tianyu
2016-12-07  6:43                   ` Peter Xu
2016-12-07 14:04                     ` Lan Tianyu
2016-12-08  2:39                       ` Peter Xu
2016-12-08  5:41                         ` Lan Tianyu

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