From: Joerg Roedel <joro@8bytes.org>
To: Kenneth Lee <nek.in.cn@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>,
Herbert Xu <herbert@gondor.apana.org.au>,
"David S . Miller" <davem@davemloft.net>,
Alex Williamson <alex.williamson@redhat.com>,
Kenneth Lee <liguozhu@hisilicon.com>,
Hao Fang <fanghao11@huawei.com>,
Zhou Wang <wangzhou1@hisilicon.com>,
Zaibo Xu <xuzaibo@huawei.com>,
Philippe Ombredanne <pombredanne@nexb.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-crypto@vger.kernel.org, iommu@lists.linux-foundation.org,
kvm@vger.kernel.org, linux-accelerators@lists.ozlabs.org,
Lu Baolu <baolu.lu@linux.intel.com>,
Sanjay Kumar <sanjay.k.kumar@intel.com>,
linuxarm@huawei.com
Subject: Re: [RFC PATCH 2/7] iommu: Add share domain interface in iommu for spimdev
Date: Wed, 8 Aug 2018 11:13:54 +0200 [thread overview]
Message-ID: <20180808091354.ppqgineql3pufwwr@8bytes.org> (raw)
In-Reply-To: <20180801102221.5308-3-nek.in.cn@gmail.com>
On Wed, Aug 01, 2018 at 06:22:16PM +0800, Kenneth Lee wrote:
> From: Kenneth Lee <liguozhu@hisilicon.com>
>
> This patch add sharing interface for a iommu_group. The new interface:
>
> iommu_group_share_domain()
> iommu_group_unshare_domain()
>
> can be used by some virtual iommu_group (such as iommu_group for spimdev)
> to share their parent's iommu_group.
>
> When the domain of the group is shared, it cannot be changed before
> unshared. In the future, notification can be added if update is required.
From the description or the patch I don't really get why this is needed.
Please update the description and make a case for this API addition.
Joerg
next prev parent reply other threads:[~2018-08-08 9:14 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-01 10:22 [RFC PATCH 0/7] A General Accelerator Framework, WarpDrive Kenneth Lee
2018-08-01 10:22 ` [RFC PATCH 1/7] vfio/spimdev: Add documents for WarpDrive framework Kenneth Lee
2018-08-02 3:14 ` Tian, Kevin
2018-08-02 4:22 ` Kenneth Lee
2018-08-02 4:41 ` Tian, Kevin
2018-08-06 12:27 ` Pavel Machek
2018-08-08 1:43 ` Kenneth Lee
2018-08-01 10:22 ` [RFC PATCH 2/7] iommu: Add share domain interface in iommu for spimdev Kenneth Lee
2018-08-02 3:17 ` Tian, Kevin
2018-08-02 4:15 ` Kenneth Lee
2018-08-02 4:39 ` Tian, Kevin
2018-08-08 9:13 ` Joerg Roedel [this message]
2018-08-09 1:09 ` Kenneth Lee
2018-08-01 10:22 ` [RFC PATCH 3/7] vfio: add spimdev support Kenneth Lee
2018-08-01 16:23 ` Randy Dunlap
2018-08-02 3:07 ` Kenneth Lee
2018-08-02 3:21 ` Tian, Kevin
2018-08-02 3:47 ` Kenneth Lee
2018-08-02 4:24 ` Tian, Kevin
2018-08-02 7:34 ` Kenneth Lee
[not found] ` <20180802103528.0b863030.cohuck@redhat.com>
[not found] ` <20180802124327.403b10ab@t450s.home>
2018-08-06 1:40 ` Kenneth Lee
2018-08-06 15:49 ` Alex Williamson
2018-08-06 16:34 ` Raj, Ashok
2018-08-06 17:05 ` Alex Williamson
2018-08-08 1:32 ` Kenneth Lee
2018-08-01 10:22 ` [RFC PATCH 4/7] crypto: add hisilicon Queue Manager driver Kenneth Lee
2018-08-01 10:22 ` [RFC PATCH 5/7] crypto: Add Hisilicon Zip driver Kenneth Lee
2018-08-01 10:22 ` [RFC PATCH 6/7] crypto: add spimdev support to Hisilicon QM Kenneth Lee
2018-08-01 10:22 ` [RFC PATCH 7/7] vfio/spimdev: add user sample for spimdev Kenneth Lee
2018-08-01 16:56 ` [RFC PATCH 0/7] A General Accelerator Framework, WarpDrive Jerome Glisse
2018-08-02 2:33 ` Tian, Kevin
2018-08-02 4:05 ` Kenneth Lee
2018-08-02 14:22 ` Jerome Glisse
2018-08-03 3:47 ` Kenneth Lee
2018-08-03 14:39 ` Jerome Glisse
2018-08-06 3:12 ` Kenneth Lee
2018-08-06 15:32 ` Jerome Glisse
2018-08-08 1:08 ` Kenneth Lee
2018-08-08 15:18 ` Jerome Glisse
2018-08-09 8:03 ` Kenneth Lee
2018-08-09 8:31 ` Tian, Kevin
2018-08-10 1:37 ` Kenneth Lee
2018-08-09 14:46 ` Jerome Glisse
2018-08-10 3:39 ` Kenneth Lee
2018-08-10 13:12 ` Jean-Philippe Brucker
2018-08-11 15:26 ` Kenneth Lee
2018-08-13 9:29 ` Kenneth Lee
2018-08-13 19:23 ` Jerome Glisse
2018-08-14 3:46 ` Kenneth Lee
2018-08-10 14:32 ` Jerome Glisse
2018-08-11 14:44 ` Kenneth Lee
2018-08-02 10:10 ` Alan Cox
2018-08-02 12:24 ` Xu Zaibo
2018-08-02 14:46 ` Jerome Glisse
2018-08-03 14:20 ` Alan Cox
2018-08-03 14:55 ` Jerome Glisse
2018-08-06 1:26 ` Kenneth Lee
2018-08-02 2:59 ` Tian, Kevin
2018-08-02 3:40 ` Kenneth Lee
2018-08-02 4:36 ` Tian, Kevin
2018-08-02 5:35 ` Kenneth Lee
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