From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1O6kP5-0005ap-PE for qemu-devel@nongnu.org; Tue, 27 Apr 2010 09:00:43 -0400 Received: from [140.186.70.92] (port=34859 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1O6kP0-0005WC-OS for qemu-devel@nongnu.org; Tue, 27 Apr 2010 09:00:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1O6kOW-0007DG-AP for qemu-devel@nongnu.org; Tue, 27 Apr 2010 09:00:13 -0400 Received: from mail-pw0-f45.google.com ([209.85.160.45]:65046) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1O6kOW-0007D8-5e for qemu-devel@nongnu.org; Tue, 27 Apr 2010 09:00:08 -0400 Received: by pwi6 with SMTP id 6so8475332pwi.4 for ; Tue, 27 Apr 2010 06:00:07 -0700 (PDT) Message-ID: <4BD6DFD2.7050509@codemonkey.ws> Date: Tue, 27 Apr 2010 08:00:02 -0500 From: Anthony Liguori MIME-Version: 1.0 References: <20100426172634.GC15278@x200.localdomain> <4BD5D28C.7080700@codemonkey.ws> <20100426221258.GH15278@x200.localdomain> <4BD61584.9080208@codemonkey.ws> <20100427111140.GF10044@redhat.com> In-Reply-To: <20100427111140.GF10044@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] Re: KVM call agenda for Apr 27 List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gleb Natapov Cc: Chris Wright , qemu-devel@nongnu.org, kvm@vger.kernel.org On 04/27/2010 06:11 AM, Gleb Natapov wrote: > Network cards have low number of rx/tx buffers interrupt. This is also > heuristic. Do you think driver should poll for this event instead and > NIC designers just wasted their time designing the feature? > I don't see how the two cases are at all similar. More importantly, I don't see what the burden is of polling when you're talking about a very unusual statistic that has a very limited use case. Regards, Anthony Liguori > -- > Gleb. >