Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754090Ab3GJKjJ (ORCPT ); Wed, 10 Jul 2013 06:39:09 -0400 Received: from cantor2.suse.de ([195.135.220.15]:51805 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752561Ab3GJKjG convert rfc822-to-8bit (ORCPT ); Wed, 10 Jul 2013 06:39:06 -0400 Subject: Re: [PATCH 3/4] PF: Provide additional direct page notification Mime-Version: 1.0 (Apple Message framework v1278) Content-Type: text/plain; charset=US-ASCII From: Alexander Graf In-Reply-To: <51DC33E7.1030404@de.ibm.com> Date: Wed, 10 Jul 2013 12:39:01 +0200 Cc: Dominik Dingel , Gleb Natapov , Paolo Bonzini , Heiko Carstens , Martin Schwidefsky , Cornelia Huck , Xiantao Zhang , Christoffer Dall , Marc Zyngier , Ralf Baechle , kvm@vger.kernel.org, linux-s390@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Content-Transfer-Encoding: 7BIT Message-Id: <282EB214-206B-4A04-9830-D97679C9F4EC@suse.de> References: <1373378207-10451-1-git-send-email-dingel@linux.vnet.ibm.com> <1373378207-10451-4-git-send-email-dingel@linux.vnet.ibm.com> <51DC33E7.1030404@de.ibm.com> To: Christian Borntraeger X-Mailer: Apple Mail (2.1278) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1075 Lines: 28 On 09.07.2013, at 18:01, Christian Borntraeger wrote: > 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. Shouldn't this be a runtime option? Alex -- 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/