From: Marcelo Tosatti <mtosatti@redhat.com>
To: Dave Hansen <haveblue@us.ibm.com>
Cc: Eric B Munson <emunson@mgebm.net>,
Anthony Liguori <anthony@codemonkey.ws>,
avi@redhat.com, tglx@linutronix.de, mingo@redhat.com,
hpa@zytor.com, arnd@arndb.de, riel@redhat.com,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arch@vger.kernel.org, kvm-ppc@vger.kernel.org,
aliguori@us.ibm.com, raharper@us.ibm.com,
kvm-ia64@vger.kernel.org, Glauber Costa <glommer@gmail.com>,
mjwolf@us.ibm.com
Subject: Re: [PATCH 0/4] Avoid soft lockup message when KVM is stopped by host
Date: Wed, 21 Sep 2011 14:46:24 -0300 [thread overview]
Message-ID: <20110921174624.GB21677@amt.cnet> (raw)
In-Reply-To: <1316614268.16137.280.camel@nimitz>
On Wed, Sep 21, 2011 at 07:11:08AM -0700, Dave Hansen wrote:
> On Tue, 2011-09-20 at 16:55 -0300, Marcelo Tosatti wrote:
> > > and the wall clock stays behind my host wall clock by the amount of
> > > time it took to resume.
> >
> > This is expected, similar to savevm/loadvm.
>
> That seems like pretty undesirable behavior to me. It's too bad that it
> does that with savevm/loadvm, but is it really behavior that we want to
> spread?
Not really. savevm/loadvm has more widespread use, so a solution could
apply equally to both cases.
WARNING: multiple messages have this Message-ID (diff)
From: Marcelo Tosatti <mtosatti@redhat.com>
To: Dave Hansen <haveblue@us.ibm.com>
Cc: Eric B Munson <emunson@mgebm.net>,
Anthony Liguori <anthony@codemonkey.ws>,
avi@redhat.com, tglx@linutronix.de, mingo@redhat.com,
hpa@zytor.com, arnd@arndb.de, riel@redhat.com,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arch@vger.kernel.org, kvm-ppc@vger.kernel.org,
aliguori@us.ibm.com, raharper@us.ibm.com,
kvm-ia64@vger.kernel.org, Glauber Costa <glommer@gmail.com>,
mjwolf@us.ibm.com
Subject: Re: [PATCH 0/4] Avoid soft lockup message when KVM is stopped by host
Date: Wed, 21 Sep 2011 17:46:24 +0000 [thread overview]
Message-ID: <20110921174624.GB21677@amt.cnet> (raw)
In-Reply-To: <1316614268.16137.280.camel@nimitz>
On Wed, Sep 21, 2011 at 07:11:08AM -0700, Dave Hansen wrote:
> On Tue, 2011-09-20 at 16:55 -0300, Marcelo Tosatti wrote:
> > > and the wall clock stays behind my host wall clock by the amount of
> > > time it took to resume.
> >
> > This is expected, similar to savevm/loadvm.
>
> That seems like pretty undesirable behavior to me. It's too bad that it
> does that with savevm/loadvm, but is it really behavior that we want to
> spread?
Not really. savevm/loadvm has more widespread use, so a solution could
apply equally to both cases.
WARNING: multiple messages have this Message-ID (diff)
From: Marcelo Tosatti <mtosatti@redhat.com>
To: kvm-ia64@vger.kernel.org
Subject: Re: [PATCH 0/4] Avoid soft lockup message when KVM is stopped by host
Date: Wed, 21 Sep 2011 17:46:24 +0000 [thread overview]
Message-ID: <20110921174624.GB21677@amt.cnet> (raw)
In-Reply-To: <1314660435-23293-1-git-send-email-emunson@mgebm.net>
On Wed, Sep 21, 2011 at 07:11:08AM -0700, Dave Hansen wrote:
> On Tue, 2011-09-20 at 16:55 -0300, Marcelo Tosatti wrote:
> > > and the wall clock stays behind my host wall clock by the amount of
> > > time it took to resume.
> >
> > This is expected, similar to savevm/loadvm.
>
> That seems like pretty undesirable behavior to me. It's too bad that it
> does that with savevm/loadvm, but is it really behavior that we want to
> spread?
Not really. savevm/loadvm has more widespread use, so a solution could
apply equally to both cases.
next prev parent reply other threads:[~2011-09-21 17:47 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-29 23:27 [PATCH 0/4] Avoid soft lockup message when KVM is stopped by host Eric B Munson
2011-08-29 23:27 ` Eric B Munson
2011-08-29 23:27 ` Eric B Munson
2011-08-29 23:27 ` [PATCH 1/4] Add flag to indicate that a vm was stopped by the host Eric B Munson
2011-08-29 23:27 ` Eric B Munson
2011-08-29 23:27 ` Eric B Munson
2011-08-29 23:27 ` [PATCH 2/4] Add functions to check if the host has stopped the vm Eric B Munson
2011-08-29 23:27 ` Eric B Munson
2011-08-29 23:27 ` Eric B Munson
2011-08-29 23:27 ` [PATCH 3/4] Add generic stubs for kvm stop check functions Eric B Munson
2011-08-29 23:27 ` Eric B Munson
2011-08-29 23:27 ` Eric B Munson
2011-08-29 23:27 ` [PATCH 4/4] Add check for suspended vm in softlockup detector Eric B Munson
2011-08-29 23:27 ` Eric B Munson
2011-08-29 23:27 ` Eric B Munson
2011-08-30 12:26 ` [PATCH 0/4] Avoid soft lockup message when KVM is stopped by host Marcelo Tosatti
2011-08-30 12:26 ` Marcelo Tosatti
2011-08-30 12:26 ` Marcelo Tosatti
2011-08-30 14:12 ` Ryan Harper
2011-08-30 14:12 ` Ryan Harper
2011-08-30 14:12 ` Ryan Harper
2011-08-30 14:35 ` Marcelo Tosatti
2011-08-30 14:35 ` Marcelo Tosatti
2011-08-30 14:35 ` Marcelo Tosatti
2011-08-30 14:43 ` Ryan Harper
2011-08-30 14:43 ` Ryan Harper
2011-08-30 14:43 ` Ryan Harper
2011-08-30 18:30 ` Marcelo Tosatti
2011-08-30 18:30 ` Marcelo Tosatti
2011-08-30 18:30 ` Marcelo Tosatti
2011-08-30 16:37 ` Eric B Munson
2011-08-30 16:37 ` Eric B Munson
2011-08-30 16:37 ` Eric B Munson
2011-08-30 18:36 ` Marcelo Tosatti
2011-08-30 18:36 ` Marcelo Tosatti
2011-08-30 18:36 ` Marcelo Tosatti
2011-08-30 23:50 ` emunson
2011-08-30 23:50 ` emunson
2011-08-30 23:50 ` emunson
2011-08-30 23:50 ` emunson
2011-09-01 19:24 ` Anthony Liguori
2011-09-01 19:24 ` [PATCH 0/4] Avoid soft lockup message when KVM is stopped by Anthony Liguori
2011-09-01 19:24 ` Anthony Liguori
2011-09-01 20:27 ` [PATCH 0/4] Avoid soft lockup message when KVM is stopped by host emunson
2011-09-01 20:27 ` emunson
2011-09-01 20:27 ` emunson
2011-09-01 20:27 ` emunson
2011-09-09 13:29 ` Marcelo Tosatti
2011-09-09 13:29 ` Marcelo Tosatti
2011-09-09 13:29 ` Marcelo Tosatti
2011-09-13 20:49 ` Eric B Munson
2011-09-13 20:49 ` Eric B Munson
2011-09-13 20:49 ` Eric B Munson
2011-09-15 13:26 ` Marcelo Tosatti
2011-09-15 13:26 ` Marcelo Tosatti
2011-09-15 13:26 ` Marcelo Tosatti
2011-09-20 19:00 ` Eric B Munson
2011-09-20 19:00 ` Eric B Munson
2011-09-20 19:00 ` Eric B Munson
2011-09-20 19:55 ` Marcelo Tosatti
2011-09-20 19:55 ` Marcelo Tosatti
2011-09-20 19:55 ` Marcelo Tosatti
2011-09-21 14:11 ` Dave Hansen
2011-09-21 14:11 ` [PATCH 0/4] Avoid soft lockup message when KVM is stopped by Dave Hansen
2011-09-21 14:11 ` Dave Hansen
2011-09-21 17:46 ` Marcelo Tosatti [this message]
2011-09-21 17:46 ` [PATCH 0/4] Avoid soft lockup message when KVM is stopped by host Marcelo Tosatti
2011-09-21 17:46 ` Marcelo Tosatti
2011-09-20 20:03 ` Jamie Lokier
2011-09-20 20:03 ` Jamie Lokier
2011-09-20 20:03 ` Jamie Lokier
2011-09-21 17:43 ` Marcelo Tosatti
2011-09-21 17:43 ` Marcelo Tosatti
2011-09-21 17:43 ` Marcelo Tosatti
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