netdev - Re: [PATCH v10 01/17] iova: Export alloc_iova_fast() and free_iova

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Date:   Tue, 3 Aug 2021 16:54:03 +0800
From:   Yongji Xie <xieyongji@...edance.com>
To:     Jason Wang <jasowang@...hat.com>
Cc:     "Michael S. Tsirkin" <mst@...hat.com>,
        Stefan Hajnoczi <stefanha@...hat.com>,
        Stefano Garzarella <sgarzare@...hat.com>,
        Parav Pandit <parav@...dia.com>,
        Christoph Hellwig <hch@...radead.org>,
        Christian Brauner <christian.brauner@...onical.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Matthew Wilcox <willy@...radead.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Jens Axboe <axboe@...nel.dk>, bcrl@...ck.org,
        Jonathan Corbet <corbet@....net>,
        Mika Penttilä <mika.penttila@...tfour.com>,
        Dan Carpenter <dan.carpenter@...cle.com>, joro@...tes.org,
        Greg KH <gregkh@...uxfoundation.org>,
        He Zhe <zhe.he@...driver.com>,
        Liu Xiaodong <xiaodong.liu@...el.com>,
        Joe Perches <joe@...ches.com>, songmuchun@...edance.com,
        virtualization <virtualization@...ts.linux-foundation.org>,
        netdev@...r.kernel.org, kvm <kvm@...r.kernel.org>,
        linux-fsdevel@...r.kernel.org, iommu@...ts.linux-foundation.org,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v10 01/17] iova: Export alloc_iova_fast() and free_iova_fast()

On Tue, Aug 3, 2021 at 3:41 PM Jason Wang <jasowang@...hat.com> wrote:
>
>
> 在 2021/7/29 下午3:34, Xie Yongji 写道:
> > Export alloc_iova_fast() and free_iova_fast() so that
> > some modules can use it to improve iova allocation efficiency.
>
>
> It's better to explain why alloc_iova() is not sufficient here.
>

Fine.

Thanks,
Yongji