Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752291Ab1EIGf0 (ORCPT ); Mon, 9 May 2011 02:35:26 -0400 Received: from ozlabs.org ([203.10.76.45]:46510 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751701Ab1EIGfY (ORCPT ); Mon, 9 May 2011 02:35:24 -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 14/18] virtio: add api for delayed callbacks In-Reply-To: <64d47c628b3fdc0ac156aed4be182933d8bcc0db.1304541919.git.mst@redhat.com> References: <64d47c628b3fdc0ac156aed4be182933d8bcc0db.1304541919.git.mst@redhat.com> User-Agent: Notmuch/0.3.1 (http://notmuchmail.org) Emacs/23.1.1 (i686-pc-linux-gnu) Date: Mon, 09 May 2011 15:27:33 +0930 Message-ID: <871v08h0vm.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: 693 Lines: 18 On Wed, 4 May 2011 23:52:33 +0300, "Michael S. Tsirkin" wrote: > Add an API that tells the other side that callbacks > should be delayed until a lot of work has been done. > Implement using the new used_event feature. Since you're going to add a capacity query anyway, why not add the threshold argument here? Then the caller can choose how much space it needs. Maybe net and block will want different things... Cheers, 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/