From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:52549) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UfVPA-0002Js-RM for qemu-devel@nongnu.org; Thu, 23 May 2013 09:18:07 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UfVP8-0000QT-FL for qemu-devel@nongnu.org; Thu, 23 May 2013 09:18:04 -0400 Received: from mx1.redhat.com ([209.132.183.28]:15767) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UfVP8-0000P9-7O for qemu-devel@nongnu.org; Thu, 23 May 2013 09:18:02 -0400 Message-ID: <519E16FA.1070201@redhat.com> Date: Thu, 23 May 2013 15:17:46 +0200 From: Paolo Bonzini MIME-Version: 1.0 References: <1369133851-1894-1-git-send-email-pbonzini@redhat.com> <1369133851-1894-18-git-send-email-pbonzini@redhat.com> <519DE876.8030503@redhat.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 17/30] memory: add address_space_translate List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: liu ping fan Cc: peter.maydell@linaro.org, David Gibson , qemu-devel@nongnu.org, jan.kiszka@gmail.com Il 23/05/2013 15:06, liu ping fan ha scritto: >> The idea is that address_space_translate gets a ref to the MemoryRegion, >> and the ref is then released by the caller of address_space_translate. >> > This will require subpage hold a reference to real mr. Hmm, that's right. Jan, that could be a concern when you update your PIO series. > But I think it > is needless. Maybe when later in your these series, we will see how to > resolve it. BTW, do you target URCU patches to 1.6 Yes. Paolo