From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45493) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Vkqan-0001wB-BH for qemu-devel@nongnu.org; Mon, 25 Nov 2013 02:28:31 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Vkqah-00054V-4G for qemu-devel@nongnu.org; Mon, 25 Nov 2013 02:28:25 -0500 Received: from mx1.redhat.com ([209.132.183.28]:4580) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Vkqag-000549-SL for qemu-devel@nongnu.org; Mon, 25 Nov 2013 02:28:19 -0500 From: Markus Armbruster References: <1385001528-12003-1-git-send-email-imammedo@redhat.com> <1385001528-12003-14-git-send-email-imammedo@redhat.com> <20131121094202.GB3140@redhat.com> <20131121152137.6348e9b2@nial.usersys.redhat.com> <20131121143847.GA11741@redhat.com> <20131122181446.4891e953@nial.usersys.redhat.com> <20131124105857.GA864@redhat.com> Date: Mon, 25 Nov 2013 08:27:55 +0100 In-Reply-To: <20131124105857.GA864@redhat.com> (Michael S. Tsirkin's message of "Sun, 24 Nov 2013 12:58:57 +0200") Message-ID: <87txf1kkjo.fsf@blackfin.pond.sub.org> MIME-Version: 1.0 Content-Type: text/plain Subject: Re: [Qemu-devel] [PATCH 13/27] acpi: memory hotplug ACPI hardware implementation List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Michael S. Tsirkin" Cc: peter.maydell@linaro.org, aliguori@amazon.com, stefanb@linux.vnet.ibm.com, hutao@cn.fujitsu.com, marcel.a@redhat.com, mjt@tls.msk.ru, qemu-devel@nongnu.org, mdroth@linux.vnet.ibm.com, vasilis.liaskovitis@profitbricks.com, quintela@redhat.com, kraxel@redhat.com, stefanha@redhat.com, pbonzini@redhat.com, Igor Mammedov , lcapitulino@redhat.com, chegu_vinod@hp.com, afaerber@suse.de "Michael S. Tsirkin" writes: [...] > Here this made me think of the following question: > should not memory available on boot be listed in CMOS? > Let's assume new BIOS gets interrupt telling it there's new memory. > It clears the interrupt and then system is reset. > > Will system after reset detect the new hotplugged memory? > How? Do physical systems with hot-pluggable memory exist? How do they behave? [...]