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Tue, 25 May 2021 19:36:21 -0700 (PDT) X-Google-Smtp-Source: ABdhPJylcchXGFUiLMl0CERc9pjyfUvd7s5BV6gdMSkLdsrvpEyh07CtgmlI9vttP0fXdJsLVzRn5Q== X-Received: by 2002:a17:902:f281:b029:f0:bdf2:2fe5 with SMTP id k1-20020a170902f281b02900f0bdf22fe5mr32724300plc.68.1621996581246; Tue, 25 May 2021 19:36:21 -0700 (PDT) Received: from wangxiaodeMacBook-Air.local ([209.132.188.80]) by smtp.gmail.com with ESMTPSA id b12sm2984392pjd.22.2021.05.25.19.36.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 25 May 2021 19:36:20 -0700 (PDT) Subject: Re: [PATCH v7 01/12] iova: Export alloc_iova_fast() To: Xie Yongji , mst@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 References: <20210517095513.850-1-xieyongji@bytedance.com> <20210517095513.850-2-xieyongji@bytedance.com> From: Jason Wang Message-ID: <6ca337fe-2c8c-95c9-672e-0d4f104f66eb@redhat.com> Date: Wed, 26 May 2021 10:36:10 +0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.10.2 MIME-Version: 1.0 In-Reply-To: <20210517095513.850-2-xieyongji@bytedance.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jasowang@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Cc: kvm@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, iommu@lists.linux-foundation.org, linux-fsdevel@vger.kernel.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="gbk"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" CtTaIDIwMjEvNS8xNyDPws7nNTo1NSwgWGllIFlvbmdqaSDQtLXAOgo+IEV4cG9ydCBhbGxvY19p b3ZhX2Zhc3QoKSBzbyB0aGF0IHNvbWUgbW9kdWxlcyBjYW4gdXNlIGl0Cj4gdG8gaW1wcm92ZSBp b3ZhIGFsbG9jYXRpb24gZWZmaWNpZW5jeS4KPgo+IFNpZ25lZC1vZmYtYnk6IFhpZSBZb25namkg PHhpZXlvbmdqaUBieXRlZGFuY2UuY29tPgo+IC0tLQo+ICAgZHJpdmVycy9pb21tdS9pb3ZhLmMg fCAxICsKPiAgIDEgZmlsZSBjaGFuZ2VkLCAxIGluc2VydGlvbigrKQo+Cj4gZGlmZiAtLWdpdCBh L2RyaXZlcnMvaW9tbXUvaW92YS5jIGIvZHJpdmVycy9pb21tdS9pb3ZhLmMKPiBpbmRleCBlNmUy ZmE4NTI3MWMuLjMxN2VlZjY0ZmZlZiAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2lvbW11L2lvdmEu Ywo+ICsrKyBiL2RyaXZlcnMvaW9tbXUvaW92YS5jCj4gQEAgLTQ1MCw2ICs0NTAsNyBAQCBhbGxv Y19pb3ZhX2Zhc3Qoc3RydWN0IGlvdmFfZG9tYWluICppb3ZhZCwgdW5zaWduZWQgbG9uZyBzaXpl LAo+ICAgCj4gICAJcmV0dXJuIG5ld19pb3ZhLT5wZm5fbG87Cj4gICB9Cj4gK0VYUE9SVF9TWU1C T0xfR1BMKGFsbG9jX2lvdmFfZmFzdCk7Cj4gICAKPiAgIC8qKgo+ICAgICogZnJlZV9pb3ZhX2Zh c3QgLSBmcmVlIGlvdmEgcGZuIHJhbmdlIGludG8gcmNhY2hlCgoKSW50ZXJlc3RpbmcsIGRvIHdl IG5lZWQgZXhwb3J0IGZyZWVfaW92YV9mYXN0KCkgYXMgd2VsbD8KClRoYW5rcwoKCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmlvbW11IG1haWxpbmcgbGlz dAppb21tdUBsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91 bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby9pb21tdQ==