From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40536) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XjPn5-0001XN-Ji for qemu-devel@nongnu.org; Wed, 29 Oct 2014 05:43:48 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XjPn0-00081c-VO for qemu-devel@nongnu.org; Wed, 29 Oct 2014 05:43:43 -0400 Received: from [59.151.112.132] (port=26538 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XjPn0-00080S-Hh for qemu-devel@nongnu.org; Wed, 29 Oct 2014 05:43:38 -0400 Message-ID: <5450B6DB.8040500@cn.fujitsu.com> Date: Wed, 29 Oct 2014 17:43:55 +0800 From: Tang Chen MIME-Version: 1.0 References: <1413972012-16598-1-git-send-email-tangchen@cn.fujitsu.com> <20141029103746.6c2f4339@igors-macbook-pro.local> In-Reply-To: <20141029103746.6c2f4339@igors-macbook-pro.local> Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [RESEND PATCH v4 00/10] QEmu memory hot unplug support. List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Igor Mammedov Cc: zhugh.fnst@cn.fujitsu.com, mst@redhat.com, hutao@cn.fujitsu.com, qemu-devel@nongnu.org, tangchen@cn.fujitsu.com, isimatu.yasuaki@jp.fujitsu.com, pbonzini@redhat.com On 10/29/2014 05:37 PM, Igor Mammedov wrote: > On Wed, 22 Oct 2014 18:00:02 +0800 > Tang Chen wrote: > >> This patch-set implements memory hot-remove for QEmu. >> >> Rebased on Igor's asynchronize hotplug framework (qemu v2.1.2, the >> latest). >> >> Approach: QEmu sets GPE status bit, then triggers SCI to notify guest >> os. Guest os checks device status, and free memory resource if >> possible, then generate OST. >> >> NOTE: In this version, memory hot-remove is independent from _OST, >> following Igor's comments. >> Patches _OST handling for platforms supporting _OST will come >> soon when Igor finishes his refacting for framework of hotplug. > Refactoring is complete and in tree since 14/Oct, > Please rebase taking in account changes I've requested before. Sure, will send a new patch-set soon. Thanks. > >> Change log v3 -> v4 (RESEND): >> 1. Add new patch 1 ~ 4, fix some small problems in coding. >> 2. In patch 9, make memory hot-remove independent from _OST. >> 3. In patch 9, add comment for is_removing flag to document. >> 4. In patch 10, use macro instead of number. >> 5. Remove original patch 8 and 12 to coincident with asynchronize >> hotplug framework. >> >> Hu Tao (4): >> acpi, piix4: Add memory hot unplug support for piix4. >> pc: Add memory hot unplug support for pc machine. >> pc-dimm: Add pc_dimm_unrealize() for memory hot unplug support. >> pc, acpi bios: Add memory hot unplug interface. >> >> Tang Chen (6): >> acpi, mem-hotplug: Use PC_DIMM_SLOT_PROP in acpi_memory_plug_cb(). >> acpi, mem-hotplug: Add acpi_memory_get_slot_status_descriptor() to >> get MemStatus. >> acpi, mem-hotplug: Add acpi_memory_hotplug_sci() to rise sci for >> memory hotplug. >> acpi, mem-hotplug: Add acpi_memory_unplug_cb() to implement memory >> unplug. >> acpi, ich9: Add memory hot unplug support for ich9. >> acpi: Add hardware implementation for memory hot unplug. >> >> docs/specs/acpi_mem_hotplug.txt | 8 +++-- >> hw/acpi/ich9.c | 12 +++++++ >> hw/acpi/memory_hotplug.c | 71 >> +++++++++++++++++++++++++++++++--------- >> hw/acpi/piix4.c | 6 +++- >> hw/i386/pc.c | 31 ++++++++++++++++++ >> hw/i386/ssdt-mem.dsl | 5 +++ >> hw/i386/ssdt-misc.dsl | 13 +++++++- >> hw/isa/lpc_ich9.c | 5 +-- >> hw/mem/pc-dimm.c | 10 ++++++ >> include/hw/acpi/ich9.h | 2 ++ >> include/hw/acpi/memory_hotplug.h | 3 ++ >> include/hw/acpi/pc-hotplug.h | 2 ++ 12 files changed, 146 >> insertions(+), 22 deletions(-) >> > . >