Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752492Ab3GIQBy (ORCPT ); Tue, 9 Jul 2013 12:01:54 -0400 Received: from e06smtp10.uk.ibm.com ([195.75.94.106]:37340 "EHLO e06smtp10.uk.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751843Ab3GIQBv (ORCPT ); Tue, 9 Jul 2013 12:01:51 -0400 Message-ID: <51DC33E7.1030404@de.ibm.com> Date: Tue, 09 Jul 2013 18:01:43 +0200 From: Christian Borntraeger User-Agent: Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130623 Thunderbird/17.0.7 MIME-Version: 1.0 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 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 X-TM-AS-MML: No X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13070915-4966-0000-0000-0000063DED2C Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 957 Lines: 20 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 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/