From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx178.postini.com [74.125.245.178]) by kanga.kvack.org (Postfix) with SMTP id 95AE56B0031 for ; Tue, 9 Jul 2013 12:01:49 -0400 (EDT) Received: from /spool/local by e06smtp11.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 9 Jul 2013 16:56:09 +0100 Received: from b06cxnps3074.portsmouth.uk.ibm.com (d06relay09.portsmouth.uk.ibm.com [9.149.109.194]) by d06dlp02.portsmouth.uk.ibm.com (Postfix) with ESMTP id 60F0D2190068 for ; Tue, 9 Jul 2013 17:05:37 +0100 (BST) Received: from d06av05.portsmouth.uk.ibm.com (d06av05.portsmouth.uk.ibm.com [9.149.37.229]) by b06cxnps3074.portsmouth.uk.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r69G1YnJ53870712 for ; Tue, 9 Jul 2013 16:01:34 GMT Received: from d06av05.portsmouth.uk.ibm.com (localhost [127.0.0.1]) by d06av05.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id r69G1iRa007666 for ; Tue, 9 Jul 2013 10:01:45 -0600 Message-ID: <51DC33E7.1030404@de.ibm.com> Date: Tue, 09 Jul 2013 18:01:43 +0200 From: Christian Borntraeger MIME-Version: 1.0 Subject: Re: [PATCH 3/4] PF: Provide additional direct page notification References: <1373378207-10451-1-git-send-email-dingel@linux.vnet.ibm.com> <1373378207-10451-4-git-send-email-dingel@linux.vnet.ibm.com> In-Reply-To: <1373378207-10451-4-git-send-email-dingel@linux.vnet.ibm.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Dominik Dingel Cc: Gleb Natapov , Paolo Bonzini , Heiko Carstens , Martin Schwidefsky , Cornelia Huck , Xiantao Zhang , Alexander Graf , Christoffer Dall , Marc Zyngier , Ralf Baechle , kvm@vger.kernel.org, linux-s390@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org On 09/07/13 15:56, Dominik Dingel wrote: > By setting a Kconfig option, the architecture can control when > guest notifications will be presented by the apf backend. > So there is the default batch mechanism, working as before, where the vcpu thread > should pull in this information. On the other hand there is now the direct > mechanism, this will directly push the information to the guest. > > Still the vcpu thread should call check_completion to cleanup leftovers, > that leaves most of the common code untouched. > > Signed-off-by: Dominik Dingel Acked-by: Christian Borntraeger for the "why". We want to use the existing architectured interface. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org