From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:41477) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Rns4f-0007Ij-S8 for qemu-devel@nongnu.org; Thu, 19 Jan 2012 08:30:47 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Rns4a-0004xF-8M for qemu-devel@nongnu.org; Thu, 19 Jan 2012 08:30:41 -0500 Received: from david.siemens.de ([192.35.17.14]:18539) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Rns4Z-0004x1-TL for qemu-devel@nongnu.org; Thu, 19 Jan 2012 08:30:36 -0500 Message-ID: <4F181AF8.4010409@siemens.com> Date: Thu, 19 Jan 2012 14:30:32 +0100 From: Jan Kiszka MIME-Version: 1.0 References: <4F1810AF.8010002@siemens.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] qemu-kvm upstreaming: Do we want -kvm-shadow-memory semantics? List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Alexander Graf Cc: qemu-devel , kvm On 2012-01-19 14:24, Alexander Graf wrote: > > > On 19.01.2012, at 13:46, Jan Kiszka wrote: > >> Hi again, >> >> do we need some KVM knob comparable to qemu-kvm's -kvm-shadow-memory in >> upstream? > > What does it do? Never heard of it :) According to inline docs: "Chang[e] the number of mmu pages allocated to the vm". That's from arch/x86/kvm/mmu.c, kvm_mmu_change_mmu_pages(). That's soft-MMU related so, I bet, of decreasing relevance for x86. Jan -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux