From: Li Guang <lig.fnst@cn.fujitsu.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: peter.maydell@linaro.org, aliguori@amazon.com,
marcel.a@redhat.com, qemu-devel@nongnu.org,
Hu Tao <hutao@cn.fujitsu.com>,
stefanb@linux.vnet.ibm.com, mjt@tls.msk.ru,
mdroth@linux.vnet.ibm.com, armbru@redhat.com,
vasilis.liaskovitis@profitbricks.com, quintela@redhat.com,
kraxel@redhat.com, stefanha@redhat.com,
Igor Mammedov <imammedo@redhat.com>,
pbonzini@redhat.com, lcapitulino@redhat.com, chegu_vinod@hp.com,
afaerber@suse.de
Subject: Re: [Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by GPE
Date: Thu, 21 Nov 2013 16:32:27 +0800 [thread overview]
Message-ID: <528DC51B.3000302@cn.fujitsu.com> (raw)
In-Reply-To: <20131121082909.GB20073@redhat.com>
Michael S. Tsirkin wrote:
> On Thu, Nov 21, 2013 at 04:18:45PM +0800, Li Guang wrote:
>
>> Hu Tao wrote:
>>
>>> On Thu, Nov 21, 2013 at 09:14:18AM +0200, Michael S. Tsirkin wrote:
>>>
>>>> On Thu, Nov 21, 2013 at 03:38:37AM +0100, Igor Mammedov wrote:
>>>>
>>>>> it fixes IRQ storm since guest isn't able to lower SCI IRQ
>>>>> after it has been handled when it clears GPE event.
>>>>>
>>>>> Signed-off-by: Igor Mammedov<imammedo@redhat.com>
>>>>>
>>>> The storm is only on memory hotplug right?
>>>>
>>> IIRC, it happens on cpu hotplug, too.
>>>
>>>
>>>
>>>
>> :-), that made remember EC implementation,
>> with EC, SCI will be safer, I think.
>>
> Hmm you are saying let's use EC for memory hotplug?
>
>
>
It can be a bridge between guest and QEMU,
with it, we may don't have to bother ASL writing
and south-bridge hardware related work(or very
little) if we implement EC correctly.
next prev parent reply other threads:[~2013-11-21 8:34 UTC|newest]
Thread overview: 143+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-21 2:38 [Qemu-devel] [PATCH 00/27 RFC v7] ACPI memory hotplug Igor Mammedov
2013-11-21 2:38 ` [Qemu-devel] [PATCH 01/27] acpi: factor out common pm_update_sci() into acpi core Igor Mammedov
2013-12-05 12:37 ` Michael S. Tsirkin
2013-12-05 15:11 ` Igor Mammedov
2013-11-21 2:38 ` [Qemu-devel] [PATCH 02/27] rename pci_hotplug_fn to hotplug_fn and make it available for other devices Igor Mammedov
2013-11-25 12:49 ` Paolo Bonzini
2013-11-25 13:11 ` Paolo Bonzini
2013-11-25 15:57 ` Igor Mammedov
2013-11-21 2:38 ` [Qemu-devel] [PATCH 03/27] pc: add 'etc/reserved-memory-end' fw_cfg interface for SeaBIOS Igor Mammedov
2013-12-19 14:35 ` Michael S. Tsirkin
2013-12-20 12:48 ` Igor Mammedov
2013-12-22 11:20 ` Michael S. Tsirkin
2013-11-21 2:38 ` [Qemu-devel] [PATCH 04/27] vl: convert -m to qemu_opts_parse() Igor Mammedov
2013-11-21 6:01 ` Li Guang
2013-11-21 13:45 ` Igor Mammedov
2013-11-21 10:12 ` Markus Armbruster
2013-11-26 13:17 ` Igor Mammedov
2013-11-26 14:49 ` Markus Armbruster
2013-11-26 16:55 ` Igor Mammedov
2013-11-27 14:35 ` Markus Armbruster
2013-11-27 15:28 ` Igor Mammedov
2013-11-27 17:31 ` Markus Armbruster
2013-11-27 0:27 ` [Qemu-devel] [PATCH 04/28] vl: convert -m to QemuOpts Igor Mammedov
2013-11-27 0:27 ` [Qemu-devel] [PATCH 05/28] vl.c: extend -m option to support options for memory hotplug Igor Mammedov
2013-12-10 7:23 ` [Qemu-devel] [PATCH 04/28] vl: convert -m to QemuOpts Paolo Bonzini
2013-12-10 10:53 ` Igor Mammedov
2013-11-25 12:51 ` [Qemu-devel] [PATCH 04/27] vl: convert -m to qemu_opts_parse() Paolo Bonzini
2013-11-27 0:32 ` Igor Mammedov
2013-11-21 2:38 ` [Qemu-devel] [PATCH 05/27] qapi: add SIZE type parser to string_input_visitor Igor Mammedov
2013-11-21 10:15 ` Markus Armbruster
2013-11-25 15:36 ` Igor Mammedov
2013-11-25 16:04 ` Michael S. Tsirkin
2013-11-25 16:32 ` Paolo Bonzini
2013-11-25 16:43 ` Eric Blake
2013-11-25 17:01 ` Paolo Bonzini
2013-11-27 14:15 ` Markus Armbruster
2013-11-27 15:17 ` Paolo Bonzini
2013-11-27 17:02 ` Markus Armbruster
2013-11-27 17:10 ` Paolo Bonzini
2013-12-19 14:40 ` Michael S. Tsirkin
2013-12-19 15:14 ` Markus Armbruster
2013-12-19 15:32 ` Michael S. Tsirkin
2013-12-19 15:31 ` Paolo Bonzini
2013-12-19 15:40 ` Michael S. Tsirkin
2013-12-19 15:46 ` Paolo Bonzini
2013-11-21 2:38 ` [Qemu-devel] [PATCH 06/27] get reference to /backend container via qemu_get_backend() Igor Mammedov
2013-11-21 2:38 ` [Qemu-devel] [PATCH 07/27] add memdev backend infrastructure Igor Mammedov
2013-11-25 12:54 ` Paolo Bonzini
2013-11-25 16:01 ` Igor Mammedov
2013-11-25 16:09 ` Paolo Bonzini
2013-11-27 14:37 ` Igor Mammedov
2013-11-27 15:21 ` Paolo Bonzini
2013-11-27 15:57 ` Igor Mammedov
2013-11-27 15:25 ` Eric Blake
2013-11-27 16:09 ` Igor Mammedov
2013-11-21 2:38 ` [Qemu-devel] [PATCH 08/27] dimm: implement dimm device abstraction Igor Mammedov
2013-11-25 12:57 ` Paolo Bonzini
2013-11-25 15:10 ` Igor Mammedov
2013-11-25 15:16 ` Paolo Bonzini
2013-11-21 2:38 ` [Qemu-devel] [PATCH 09/27] dimm: map DimmDevice into DimBus provided address space Igor Mammedov
2013-11-21 2:38 ` [Qemu-devel] [PATCH 10/27] dimm: add busy slot check and slot auto-allocation Igor Mammedov
2013-11-21 2:38 ` [Qemu-devel] [PATCH 11/27] dimm: add busy address check and address auto-allocation Igor Mammedov
2013-11-21 2:38 ` [Qemu-devel] [PATCH 12/27] dimm: add hotplug callback to DimmBus Igor Mammedov
2013-11-25 13:01 ` Paolo Bonzini
2013-11-25 14:40 ` Igor Mammedov
2013-11-21 2:38 ` [Qemu-devel] [PATCH 13/27] acpi: memory hotplug ACPI hardware implementation Igor Mammedov
2013-11-21 9:42 ` Michael S. Tsirkin
2013-11-21 14:21 ` Igor Mammedov
2013-11-21 14:38 ` Michael S. Tsirkin
2013-11-22 17:14 ` Igor Mammedov
2013-11-24 10:58 ` Michael S. Tsirkin
2013-11-25 7:27 ` Markus Armbruster
2013-11-25 13:45 ` Paolo Bonzini
2013-11-25 14:18 ` Igor Mammedov
2013-11-25 14:31 ` Paolo Bonzini
2013-11-25 14:57 ` Igor Mammedov
2013-11-25 13:56 ` Igor Mammedov
2013-11-27 17:59 ` Eric Blake
2013-11-21 2:38 ` [Qemu-devel] [PATCH 14/27] acpi: initialize memory hotplug ACPI PIIX4 hardware Igor Mammedov
2013-11-21 2:38 ` [Qemu-devel] [PATCH 15/27] acpi: piix4: add memory-hotplug-io-base property to piix4_pm Igor Mammedov
2013-11-21 2:38 ` [Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by GPE Igor Mammedov
2013-11-21 7:14 ` Michael S. Tsirkin
2013-11-21 8:12 ` Hu Tao
2013-11-21 8:18 ` Li Guang
2013-11-21 8:29 ` Michael S. Tsirkin
2013-11-21 8:32 ` Li Guang [this message]
2013-11-21 9:43 ` Michael S. Tsirkin
2013-11-22 0:57 ` Li Guang
2013-11-25 11:13 ` Igor Mammedov
2013-11-26 0:29 ` Li Guang
2013-11-26 22:36 ` Igor Mammedov
2013-11-27 0:15 ` Li Guang
2013-11-27 0:57 ` Igor Mammedov
2013-11-27 1:48 ` Li Guang
2013-11-27 9:43 ` Paolo Bonzini
2013-11-21 13:19 ` Igor Mammedov
2013-11-22 1:03 ` Li Guang
2013-11-21 8:26 ` Michael S. Tsirkin
2013-11-21 8:28 ` Hu Tao
2013-11-21 13:31 ` Igor Mammedov
2013-11-21 13:21 ` Igor Mammedov
2013-11-21 2:38 ` [Qemu-devel] [PATCH 17/27] acpi: initialize memory hotplug ACPI ICH9 hardware Igor Mammedov
2013-11-21 2:38 ` [Qemu-devel] [PATCH 18/27] acpi: ich9: add memory-hotplug-io-base property to ich9_pm Igor Mammedov
2013-11-21 2:38 ` [Qemu-devel] [PATCH 19/27] acpi: piix4/ich9: add optional vmstate field for MemHotplugState migration Igor Mammedov
2013-11-21 2:38 ` [Qemu-devel] [PATCH 20/27] pc: piix: make PCII440FXState type public Igor Mammedov
2013-11-21 2:38 ` [Qemu-devel] [PATCH 21/27] pc: add memory hotplug 440fx machine Igor Mammedov
2013-11-21 5:48 ` Li Guang
2013-11-21 14:13 ` Andreas Färber
2013-11-21 14:34 ` Igor Mammedov
2013-11-21 14:39 ` Michael S. Tsirkin
2013-11-21 16:09 ` Andreas Färber
2013-11-21 16:17 ` Michael S. Tsirkin
2013-11-25 10:41 ` Igor Mammedov
2013-11-25 17:00 ` Andreas Färber
2013-11-26 20:26 ` Igor Mammedov
2013-11-22 14:23 ` Gerd Hoffmann
2013-11-25 11:00 ` Igor Mammedov
2013-11-25 11:39 ` Gerd Hoffmann
2013-11-25 13:34 ` Igor Mammedov
2013-11-25 13:35 ` Paolo Bonzini
2013-11-25 14:24 ` Igor Mammedov
2013-11-21 2:38 ` [Qemu-devel] [PATCH 22/27] pc: add memory hotplug Q35 machine Igor Mammedov
2013-11-21 2:38 ` [Qemu-devel] [PATCH 23/27] pc: ACPI BIOS: implement memory hotplug interface Igor Mammedov
2013-11-21 9:37 ` Michael S. Tsirkin
2013-11-25 14:39 ` Igor Mammedov
2013-12-16 19:50 ` Michael S. Tsirkin
2013-12-16 21:42 ` Igor Mammedov
2013-11-25 13:42 ` Paolo Bonzini
2013-11-25 14:26 ` Igor Mammedov
2013-11-21 2:38 ` [Qemu-devel] [PATCH 24/27] pc: ACPI BIOS: add ssdt-mem.hex.generated and update ssdt-misc.hex.generated Igor Mammedov
2013-11-21 2:38 ` [Qemu-devel] [PATCH 25/27] pc: ACPI BIOS: use enum for defining memory affinity flags Igor Mammedov
2013-11-21 7:20 ` Michael S. Tsirkin
2013-11-25 10:11 ` Igor Mammedov
2013-11-21 2:38 ` [Qemu-devel] [PATCH 26/27] pc: ACPI BIOS: reserve SRAT entry for hotplug mem hole Igor Mammedov
2013-11-21 7:18 ` Michael S. Tsirkin
2013-11-25 10:11 ` Igor Mammedov
2013-11-21 2:38 ` [Qemu-devel] [PATCH 27/27] pc: ACPI BIOS: make GPE.3 handle memory hotplug event on PIIX and Q35 machines Igor Mammedov
2013-11-21 6:20 ` [Qemu-devel] [PATCH 00/27 RFC v7] ACPI memory hotplug Michael S. Tsirkin
2013-11-21 13:39 ` Igor Mammedov
2013-11-21 13:43 ` Michael S. Tsirkin
2013-11-21 14:37 ` Igor Mammedov
2013-11-21 14:45 ` Michael S. Tsirkin
2013-11-25 10:09 ` Igor Mammedov
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