Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758962Ab1FBDzj (ORCPT ); Wed, 1 Jun 2011 23:55:39 -0400 Received: from ozlabs.org ([203.10.76.45]:45275 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752019Ab1FBDzg (ORCPT ); Wed, 1 Jun 2011 23:55:36 -0400 From: Rusty Russell To: "Michael S. Tsirkin" , linux-kernel@vger.kernel.org Cc: Carsten Otte , Christian Borntraeger , linux390@de.ibm.com, Martin Schwidefsky , Heiko Carstens , Shirley Ma , lguest@lists.ozlabs.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, linux-s390@vger.kernel.org, kvm@vger.kernel.org, Krishna Kumar , Tom Lendacky , steved@us.ibm.com, habanero@linux.vnet.ibm.com Subject: Re: [PATCH RFC 1/3] virtio_ring: add capacity check API In-Reply-To: <8014f898ca6b768d7be626b83c617a1e84adfeb9.1306921434.git.mst@redhat.com> References: <8014f898ca6b768d7be626b83c617a1e84adfeb9.1306921434.git.mst@redhat.com> User-Agent: Notmuch/0.5 (http://notmuchmail.org) Emacs/23.2.1 (i686-pc-linux-gnu) Date: Thu, 02 Jun 2011 11:41:50 +0930 Message-ID: <87sjrthti1.fsf@rustcorp.com.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 548 Lines: 14 On Wed, 1 Jun 2011 12:49:46 +0300, "Michael S. Tsirkin" wrote: > Add API to check ring capacity. Because of the option > to use indirect buffers, this returns the worst > case, not the normal case capacity. Can we drop the silly "add_buf() returns capacity" hack then? Thanks, Rusty. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/