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From: Will Deacon <will@kernel.org>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Xie Yongji <xieyongji@bytedance.com>,
	jasowang@redhat.com, stefanha@redhat.com, sgarzare@redhat.com,
	parav@nvidia.com, hch@infradead.org,
	christian.brauner@canonical.com, rdunlap@infradead.org,
	willy@infradead.org, viro@zeniv.linux.org.uk, axboe@kernel.dk,
	bcrl@kvack.org, corbet@lwn.net, mika.penttila@nextfour.com,
	dan.carpenter@oracle.com, joro@8bytes.org,
	gregkh@linuxfoundation.org, zhe.he@windriver.com,
	xiaodong.liu@intel.com, joe@perches.com, robin.murphy@arm.com,
	songmuchun@bytedance.com,
	virtualization@lists.linux-foundation.org,
	netdev@vger.kernel.org, kvm@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, iommu@lists.linux-foundation.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v11 01/12] iova: Export alloc_iova_fast() and free_iova_fast()
Date: Wed, 25 Aug 2021 10:55:41 +0100	[thread overview]
Message-ID: <20210825095540.GA24546@willie-the-truck> (raw)
In-Reply-To: <20210824140758-mutt-send-email-mst@kernel.org>

On Tue, Aug 24, 2021 at 02:08:33PM -0400, Michael S. Tsirkin wrote:
> On Wed, Aug 18, 2021 at 08:06:31PM +0800, Xie Yongji wrote:
> > Export alloc_iova_fast() and free_iova_fast() so that
> > some modules can make use of the per-CPU cache to get
> > rid of rbtree spinlock in alloc_iova() and free_iova()
> > during IOVA allocation.
> > 
> > Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
> 
> 
> This needs ack from iommu maintainers. Guys?

Looks fine to me:

Acked-by: Will Deacon <will@kernel.org>

Will

  reply	other threads:[~2021-08-25  9:55 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-18 12:06 [PATCH v11 00/12] Introduce VDUSE - vDPA Device in Userspace Xie Yongji
2021-08-18 12:06 ` [PATCH v11 01/12] iova: Export alloc_iova_fast() and free_iova_fast() Xie Yongji
2021-08-23  6:24   ` Jason Wang
2021-08-24 18:08   ` Michael S. Tsirkin
2021-08-25  9:55     ` Will Deacon [this message]
2021-08-25 10:39       ` John Garry
2021-08-25 12:17         ` Yongji Xie
2021-08-27  9:03           ` John Garry
2021-08-18 12:06 ` [PATCH v11 02/12] file: Export receive_fd() to modules Xie Yongji
2021-08-18 12:06 ` [PATCH v11 03/12] vdpa: Fix some coding style issues Xie Yongji
2021-08-23  6:27   ` Jason Wang
2021-08-24 11:09   ` Stefano Garzarella
2021-08-18 12:06 ` [PATCH v11 04/12] vdpa: Add reset callback in vdpa_config_ops Xie Yongji
2021-08-23  6:31   ` Jason Wang
2021-08-23  7:44     ` Yongji Xie
2021-08-18 12:06 ` [PATCH v11 05/12] vhost-vdpa: Handle the failure of vdpa_reset() Xie Yongji
2021-08-23  6:32   ` Jason Wang
2021-08-24 11:12   ` Stefano Garzarella
2021-08-18 12:06 ` [PATCH v11 06/12] vhost-iotlb: Add an opaque pointer for vhost IOTLB Xie Yongji
2021-08-18 12:06 ` [PATCH v11 07/12] vdpa: Add an opaque pointer for vdpa_config_ops.dma_map() Xie Yongji
2021-08-18 12:06 ` [PATCH v11 08/12] vdpa: factor out vhost_vdpa_pa_map() and vhost_vdpa_pa_unmap() Xie Yongji
2021-08-18 12:06 ` [PATCH v11 09/12] vdpa: Support transferring virtual addressing during DMA mapping Xie Yongji
2021-08-18 12:06 ` [PATCH v11 10/12] vduse: Implement an MMU-based software IOTLB Xie Yongji
2021-08-27  8:57   ` John Garry
2021-08-27  9:25     ` Yongji Xie
2021-08-18 12:06 ` [PATCH v11 11/12] vduse: Introduce VDUSE - vDPA Device in Userspace Xie Yongji
2021-08-23  6:56   ` Jason Wang
2021-08-24 18:10   ` Michael S. Tsirkin
2021-08-25  5:37     ` Yongji Xie
2021-08-18 12:06 ` [PATCH v11 12/12] Documentation: Add documentation for VDUSE Xie Yongji
2021-08-23  6:57   ` Jason Wang
2021-08-23  7:54   ` Jason Wang

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