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[79.17.248.175]) by smtp.gmail.com with ESMTPSA id g11sm22694417wrq.7.2020.11.16.03.48.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Nov 2020 03:48:57 -0800 (PST) Date: Mon, 16 Nov 2020 12:48:54 +0100 From: Stefano Garzarella To: Jason Wang Subject: Re: [PATCH RFC 11/12] vringh: allow vringh_iov_xfer() to skip bytes when ptr is NULL Message-ID: <20201116114854.5vrcjzsvhklpfeud@steredhat> References: <20201113134712.69744-1-sgarzare@redhat.com> <20201113134712.69744-12-sgarzare@redhat.com> MIME-Version: 1.0 In-Reply-To: Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=sgarzare@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Cc: Laurent Vivier , Max Gurtovoy , "Michael S. Tsirkin" , linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, Stefan Hajnoczi , Eli Cohen X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" T24gTW9uLCBOb3YgMTYsIDIwMjAgYXQgMTI6MzI6MDJQTSArMDgwMCwgSmFzb24gV2FuZyB3cm90 ZToKPgo+T24gMjAyMC8xMS8xMyDkuIvljYg5OjQ3LCBTdGVmYW5vIEdhcnphcmVsbGEgd3JvdGU6 Cj4+SW4gc29tZSBjYXNlcywgaXQgbWF5IGJlIHVzZWZ1bCB0byBwcm92aWRlIGEgd2F5IHRvIHNr aXAgYSBudW1iZXIKPj5vZiBieXRlcyBpbiBhIHZyaW5naF9pb3YuCj4+Cj4+SW4gb3JkZXIgdG8g a2VlcCB2cmluZ2hfaW92IGNvbnNpc3RlbnQsIGxldCdzIHJldXNlIHZyaW5naF9pb3ZfeGZlcigp Cj4+bG9naWMgYW5kIHNraXAgYnl0ZXMgd2hlbiB0aGUgcHRyIGlzIE5VTEwuCj4+Cj4+U2lnbmVk LW9mZi1ieTogU3RlZmFubyBHYXJ6YXJlbGxhIDxzZ2FyemFyZUByZWRoYXQuY29tPgo+Pi0tLQo+ Pgo+PkknbSBub3Qgc3VyZSBpZiB0aGlzIGlzIHRoZSBiZXN0IG9wdGlvbiwgbWF5YmUgd2UgY2Fu IGFkZCBhIG5ldwo+PmZ1bmN0aW9uIHZyaW5naF9pb3Zfc2tpcCgpLgo+Pgo+PlN1Z2dlc3Rpb25z Pwo+Cj4KPkkgbWlnaHQgYmUgd29ydGggdG8gY2hlY2sgd2hldGhlciB3ZSBjYW4gY29udmVydCB2 cmluZ2hfaW92IHRvIHVzZSBpb3YgCj5pdGVyYXRvciB0aGVuIHdlIGNhbiB1c2UgaW92X2l0ZXJh dG9yX2FkdmFuY2UoKSBoZXJlLgoKTWFrZSBzZW5zZSwgSSdsbCB0YWtlIGEgbG9vay4KClRoYW5r cyBmb3IgdGhlIHN1Z2dlc3Rpb24sClN0ZWZhbm8KCl9fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fClZpcnR1YWxpemF0aW9uIG1haWxpbmcgbGlzdApWaXJ0dWFs aXphdGlvbkBsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91 bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby92aXJ0dWFsaXphdGlvbg==