From: Avi Kivity <avi@redhat.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Eric B Munson <emunson@mgebm.net>,
mingo@redhat.com, hpa@zytor.com, arnd@arndb.de,
ryanh@linux.vnet.ibm.com, aliguori@us.ibm.com,
jeremy.fitzhardinge@citrix.com, levinsasha928@gmail.com,
Jan Kiszka <jan.kiszka@siemens.com>,
kvm@vger.kernel.org, linux-arch@vger.kernel.org, x86@kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/5 V5] Avoid soft lockup message when KVM is stopped by host
Date: Thu, 22 Dec 2011 11:59:54 +0200 [thread overview]
Message-ID: <4EF2FF9A.4080502@redhat.com> (raw)
In-Reply-To: <20111219175047.GA17347@amt.cnet>
On 12/19/2011 07:50 PM, Marcelo Tosatti wrote:
> >
> > Maybe it is good (not sure), need to look into schedstats and think of
> > cases that would break legitimate guest hangs. And it probably also
> > affects the position of clearing the flag on the guest side as its
> > currently done in Eric's patchset.
>
> Is the task going to be TASK_UNINTERRUPTIBLE with SIGSTOP? Don't think
> so.
No.
> Note "Preemption while TASK_RUNNING or TASK_UNINTERRUPTIBLE" is not
> functional for guest-paused-via-QEMU-monitor case.
Right, it's a different case. Note SIGCONT can be trapped, so it's
similar to monitor cont.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2011-12-22 10:00 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-05 20:18 [PATCH 0/5 V5] Avoid soft lockup message when KVM is stopped by host Eric B Munson
2011-12-05 20:19 ` [PATCH 1/5 V5] Add flag to indicate that a vm was stopped by the host Eric B Munson
2011-12-05 20:19 ` [PATCH 2/5 V5] Add functions to check if the host has stopped the vm Eric B Munson
2011-12-07 14:31 ` Avi Kivity
2011-12-08 15:23 ` Eric B Munson
2011-12-14 12:11 ` Marcelo Tosatti
2011-12-14 14:37 ` Avi Kivity
2011-12-14 17:11 ` Eric B Munson
2011-12-14 17:30 ` Avi Kivity
2011-12-14 17:57 ` Eric B Munson
2011-12-05 20:19 ` [PATCH 3/5 V5] Add ioctl for KVMCLOCK_GUEST_STOPPED Eric B Munson
2011-12-07 14:34 ` Avi Kivity
2011-12-08 15:25 ` Eric B Munson
2011-12-05 20:19 ` [PATCH 4/5 V5] Add generic stubs for kvm stop check functions Eric B Munson
2011-12-07 14:36 ` Avi Kivity
2011-12-08 15:27 ` Eric B Munson
2011-12-05 20:19 ` [PATCH 5/5 V5] Add check for suspended vm in softlockup detector Eric B Munson
2011-12-07 14:38 ` Avi Kivity
2011-12-07 14:41 ` [PATCH 0/5 V5] Avoid soft lockup message when KVM is stopped by host Avi Kivity
2011-12-08 15:19 ` Eric B Munson
2011-12-14 15:08 ` Avi Kivity
2011-12-14 17:58 ` Eric B Munson
2011-12-15 9:48 ` Avi Kivity
2011-12-15 18:53 ` Eric B Munson
2011-12-19 13:01 ` Avi Kivity
2011-12-11 12:40 ` Dor Laor
2011-12-14 12:18 ` Marcelo Tosatti
2011-12-14 12:16 ` Marcelo Tosatti
2011-12-14 14:39 ` Avi Kivity
2011-12-14 14:49 ` Anthony Liguori
2011-12-14 15:01 ` Avi Kivity
2011-12-14 14:54 ` Eric B Munson
2011-12-14 18:21 ` Marcelo Tosatti
2011-12-15 10:21 ` Avi Kivity
2011-12-16 9:31 ` Marcelo Tosatti
2011-12-19 12:59 ` Avi Kivity
2011-12-19 16:11 ` Marcelo Tosatti
2011-12-19 17:50 ` Marcelo Tosatti
2011-12-22 9:59 ` Avi Kivity [this message]
2011-12-08 11:34 ` Amit Shah
2011-12-15 11:55 ` Avi Kivity
2011-12-19 12:52 ` Amit Shah
2011-12-19 12:59 ` Avi Kivity
2011-12-19 17:59 ` Amit Shah
2011-12-22 9:18 ` Dor Laor
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