From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Alexander Graf <agraf@suse.de>
Cc: Alexey Kardashevskiy <aik@ozlabs.ru>,
Paul Mackerras <paulus@samba.org>, qemu-ppc <qemu-ppc@nongnu.org>,
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 4/4] spapr: Add support for time base offset migration
Date: Sat, 12 Apr 2014 07:55:44 +1000 [thread overview]
Message-ID: <1397253344.31160.14.camel@pasglop> (raw)
In-Reply-To: <5347B892.5010107@suse.de>
On Fri, 2014-04-11 at 11:40 +0200, Alexander Graf wrote:
> > And G5 uses 33333333. I really do not understand why it is bad to
> > send-and-check timer frequency. Why?
>
> Because the guest will continue to run at a different TB frequency on
> the new host and break.
Right, which is why we should send it accross so it can be checked and
we can barf accordingly rather than having random odd things happen :-)
Ben.
next prev parent reply other threads:[~2014-04-11 21:56 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-03 13:14 [Qemu-devel] [PATCH 0/4] power7/8 migration patches Alexey Kardashevskiy
2014-04-03 13:14 ` [Qemu-devel] [PATCH 1/4] kvm: Add set_one_reg/get_one_reg helpers Alexey Kardashevskiy
2014-05-08 12:27 ` Alexander Graf
2014-05-09 1:35 ` Alexey Kardashevskiy
2014-05-09 8:06 ` [Qemu-devel] [PATCH] kvm: make one_reg helpers available for everyone Cornelia Huck
2014-05-13 10:01 ` Alexander Graf
2014-04-03 13:14 ` [Qemu-devel] [PATCH 2/4] spapr: Enable DABRX special register Alexey Kardashevskiy
2014-04-03 13:19 ` Alexander Graf
2014-04-04 6:13 ` Alexey Kardashevskiy
2014-04-04 12:21 ` Alexander Graf
2014-04-03 18:42 ` Tom Musta
2014-04-04 0:51 ` Alexey Kardashevskiy
2014-04-04 12:40 ` Tom Musta
2014-04-03 13:14 ` [Qemu-devel] [PATCH 3/4] KVM: PPC: Support POWER8 registers Alexey Kardashevskiy
2014-04-03 13:33 ` Alexander Graf
2014-04-03 19:12 ` Tom Musta
2014-04-04 6:58 ` Alexey Kardashevskiy
2014-04-04 12:23 ` Alexander Graf
2014-04-03 13:14 ` [Qemu-devel] [PATCH 4/4] spapr: Add support for time base offset migration Alexey Kardashevskiy
2014-04-10 12:34 ` Alexander Graf
2014-04-10 14:31 ` Alexey Kardashevskiy
2014-04-11 9:40 ` Alexander Graf
2014-04-11 21:55 ` Benjamin Herrenschmidt [this message]
2014-04-11 22:59 ` Alexander Graf
2014-04-11 23:03 ` [Qemu-devel] [Qemu-ppc] " Alexander Graf
2014-04-12 3:44 ` [Qemu-devel] " Alexey Kardashevskiy
2014-04-12 7:25 ` Alexander Graf
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