From: Peter Xu <peterx-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Lu Baolu <baolu.lu-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
Cc: ashok.raj-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
sanjay.k.kumar-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
yi.y.sun-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
jacob.jun.pan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
David Woodhouse <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
Subject: Re: [PATCH v5 1/9] iommu/vt-d: Global PASID name space
Date: Mon, 16 Jul 2018 13:28:15 +0800 [thread overview]
Message-ID: <20180716052815.GA20520@xz-mi> (raw)
In-Reply-To: <1531554422-6874-2-git-send-email-baolu.lu-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
On Sat, Jul 14, 2018 at 03:46:54PM +0800, Lu Baolu wrote:
> This adds the system wide PASID name space for the PASID
> allocation. Currently we are using per IOMMU PASID name
> spaces which are not suitable for some use cases. For an
> example, one application (associated with a PASID) might
> talk to two physical devices simultaneously while the two
> devices could reside behind two different IOMMU units.
>
> Cc: Ashok Raj <ashok.raj-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> Cc: Jacob Pan <jacob.jun.pan-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
> Cc: Kevin Tian <kevin.tian-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> Cc: Liu Yi L <yi.l.liu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> Suggested-by: Ashok Raj <ashok.raj-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> Signed-off-by: Lu Baolu <baolu.lu-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
> Reviewed-by: Kevin Tian <kevin.tian-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> Reviewed-by: Liu Yi L <yi.l.liu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Reviewed-by: Peter Xu <peterx-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
--
Peter Xu
next prev parent reply other threads:[~2018-07-16 5:28 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-14 7:46 [PATCH v5 0/9] iommu/vt-d: Improve PASID id and table management Lu Baolu
2018-07-14 7:46 ` [PATCH v5 1/9] iommu/vt-d: Global PASID name space Lu Baolu
[not found] ` <1531554422-6874-2-git-send-email-baolu.lu-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2018-07-16 5:28 ` Peter Xu [this message]
[not found] ` <1531554422-6874-1-git-send-email-baolu.lu-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2018-07-14 7:46 ` [PATCH v5 2/9] iommu/vt-d: Avoid using idr_for_each_entry() Lu Baolu
[not found] ` <1531554422-6874-3-git-send-email-baolu.lu-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2018-07-16 5:28 ` Peter Xu
2018-07-14 7:46 ` [PATCH v5 3/9] iommu/vt-d: Apply global PASID in SVA Lu Baolu
2018-07-16 5:28 ` Peter Xu
2018-07-14 7:46 ` [PATCH v5 4/9] iommu/vt-d: Move device_domain_info to header Lu Baolu
2018-07-14 7:46 ` [PATCH v5 5/9] iommu/vt-d: Add for_each_device_domain() helper Lu Baolu
2018-07-14 7:46 ` [PATCH v5 6/9] iommu/vt-d: Per PCI device pasid table interfaces Lu Baolu
2018-07-14 7:47 ` [PATCH v5 7/9] iommu/vt-d: Allocate and free pasid table Lu Baolu
2018-07-14 7:47 ` [PATCH v5 8/9] iommu/vt-d: Apply per pci device pasid table in SVA Lu Baolu
2018-07-14 7:47 ` [PATCH v5 9/9] iommu/vt-d: Remove the obsolete per iommu pasid tables Lu Baolu
2018-07-20 12:45 ` [PATCH v5 0/9] iommu/vt-d: Improve PASID id and table management Joerg Roedel
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