linux-kernel - [PATCH v12 rebased 0/8] pv event to notify host when the guest is panicked

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Date:	Wed, 23 Jan 2013 15:19:20 +0800
From:	Hu Tao <hutao@...fujitsu.com>
To:	kvm list <kvm@...r.kernel.org>, qemu-devel <qemu-devel@...gnu.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Daniel P. Berrange" <berrange@...hat.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Jan Kiszka <jan.kiszka@...mens.com>,
	Gleb Natapov <gleb@...hat.com>,
	Blue Swirl <blauwirbel@...il.com>,
	Eric Blake <eblake@...hat.com>,
	Andrew Jones <drjones@...hat.com>,
	Marcelo Tosatti <mtosatti@...hat.com>,
	Sasha Levin <levinsasha928@...il.com>,
	Luiz Capitulino <lcapitulino@...hat.com>
Subject: [PATCH v12 rebased 0/8] pv event to notify host when the guest is panicked

This series implements a new interface, kvm pv event, to notify host when
some events happen in guest. Right now there is one supported event: guest
panic.

Also, the cpu runstate is preserved during save/load vm and migration. Thus,
if vm is panicked during migration, we can still know it by quring the status
of vm in destination host.

This version is a rebase and no code change.

v12: http://lists.gnu.org/archive/html/qemu-devel/2012-12/msg01459.html
v11: http://lists.gnu.org/archive/html/qemu-devel/2012-10/msg04361.html

Hu Tao (7):
  save/load cpu runstate
  update kernel headers
  add a new runstate: RUN_STATE_GUEST_PANICKED
  add a new qevent: QEVENT_GUEST_PANICKED
  introduce a new qom device to deal with panicked event
  allower the user to disable pv event support
  pv event: add document to describe the usage

Wen Congyang (1):
  start vm after resetting it

 docs/pv-event.txt                |  17 ++++
 hw/kvm/Makefile.objs             |   2 +-
 hw/kvm/pv_event.c                | 197 +++++++++++++++++++++++++++++++++++++++
 hw/pc_piix.c                     |  12 +++
 include/block/block.h            |   2 +
 include/monitor/monitor.h        |   1 +
 include/sysemu/kvm.h             |   2 +
 include/sysemu/sysemu.h          |   2 +
 kvm-stub.c                       |   4 +
 linux-headers/asm-x86/kvm_para.h |   1 +
 linux-headers/linux/kvm_para.h   |   6 ++
 migration.c                      |   7 +-
 monitor.c                        |   6 +-
 qapi-schema.json                 |   6 +-
 qemu-options.hx                  |   3 +-
 qmp.c                            |   5 +-
 savevm.c                         |   1 +
 vl.c                             |  56 ++++++++++-
 18 files changed, 313 insertions(+), 17 deletions(-)
 create mode 100644 docs/pv-event.txt
 create mode 100644 hw/kvm/pv_event.c

-- 
1.8.0.1.240.ge8a1f5a

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