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Message-ID: <20121225215205.GA6222@amt.cnet>
Date: Tue, 25 Dec 2012 19:52:05 -0200
From: Marcelo Tosatti <mtosatti@...hat.com>
To: Hu Tao <hutao@...fujitsu.com>
Cc: kvm list <kvm@...r.kernel.org>, qemu-devel <qemu-devel@...gnu.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Avi Kivity <avi@...hat.com>,
"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>,
Sasha Levin <levinsasha928@...il.com>,
Luiz Capitulino <lcapitulino@...hat.com>
Subject: Re: [Qemu-devel] [PATCH v12 0/8] pv event to notify host when the
guest is panicked
On Thu, Dec 20, 2012 at 03:53:59PM +0800, Hu Tao wrote:
> Hi,
>
> Any comments?
As far as i can see, items 2 and 3 of
https://lkml.org/lkml/2012/11/12/588
Have not been addressed.
https://lkml.org/lkml/2012/11/20/653 contains discussions on those
items.
2) Format of the interface for other architectures (you can choose
a different KVM supported architecture and write an example). It was
your choice to choose an I/O port, which is x86 specific.
3) Clear/documented management interface for the feature.
Note 3 is for management, not the guest<->host interface.
> On Wed, Dec 12, 2012 at 02:13:43PM +0800, Hu Tao wrote:
> > 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.
> >
> > changes from v11:
> >
> > - add a new patch 'save/load cpu runstate'
> > - fix a bug of null-dereference when no -machine option is supplied
> > - reserve RUN_STATE_GUEST_PANICKED during migration
> > - add doc of enable_pv_event option
> > - disable reboot-on-panic if pv_event is on
> >
> > 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
> >
> > block.h | 2 +
> > docs/pv-event.txt | 17 ++++
> > hw/kvm/Makefile.objs | 2 +-
> > hw/kvm/pv_event.c | 197 +++++++++++++++++++++++++++++++++++++++
> > hw/pc_piix.c | 11 +++
> > kvm-stub.c | 4 +
> > kvm.h | 2 +
> > linux-headers/asm-x86/kvm_para.h | 1 +
> > linux-headers/linux/kvm_para.h | 6 ++
> > migration.c | 7 +-
> > monitor.c | 6 +-
> > monitor.h | 1 +
> > qapi-schema.json | 6 +-
> > qemu-config.c | 4 +
> > qemu-options.hx | 3 +-
> > qmp.c | 5 +-
> > savevm.c | 1 +
> > sysemu.h | 2 +
> > vl.c | 52 ++++++++++-
> > 19 files changed, 312 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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