From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Alexander Graf <agraf@suse.de>
Cc: "Alexey Kardashevskiy" <aik@ozlabs.ru>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"qemu-ppc@nongnu.org" <qemu-ppc@nongnu.org>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Paul Mackerras" <paulus@samba.org>,
"Andreas Färber" <afaerber@suse.de>,
"David Gibson" <david@gibson.dropbear.id.au>
Subject: Re: [Qemu-devel] [RFC PATCH] spapr: support time base offset migration
Date: Mon, 09 Sep 2013 19:29:36 +1000 [thread overview]
Message-ID: <1378718976.11525.1.camel@pasglop> (raw)
In-Reply-To: <7B3E1C54-B3E4-4E86-ACC0-2824199BA154@suse.de>
On Mon, 2013-09-09 at 08:06 +0200, Alexander Graf wrote:
> I think it's ok to restrict live migration to machines with the same
> tb frequency when kvm is enabled. Whether you implement it through a
> hardcoded 512Mhz or through a timebase value that gets live migrated
> and then compared is up to you - both ways work for me :).
The latter might be handy if we want to support migration on 970, though
we don't have the TBU40 stuff there so adjusting the TB in the host
kernel would be ... problematic.
Cheers,
Ben.
next prev parent reply other threads:[~2013-09-09 9:33 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-03 7:31 [Qemu-devel] [RFC PATCH] spapr: support time base offset migration Alexey Kardashevskiy
2013-09-03 8:42 ` Andreas Färber
2013-09-03 9:07 ` Alexey Kardashevskiy
2013-09-03 9:22 ` Andreas Färber
2013-09-04 1:13 ` Alexey Kardashevskiy
2013-09-04 1:27 ` Alexander Graf
2013-09-05 4:30 ` David Gibson
2013-09-05 4:54 ` Alexey Kardashevskiy
2013-09-05 9:16 ` Alexander Graf
2013-09-05 9:48 ` Alexey Kardashevskiy
2013-09-05 9:58 ` Alexander Graf
2013-09-05 11:44 ` Benjamin Herrenschmidt
2013-09-05 12:37 ` Alexander Graf
2013-09-05 13:36 ` Benjamin Herrenschmidt
2013-09-05 13:39 ` Alexander Graf
2013-09-05 14:14 ` Andreas Färber
2013-09-05 14:26 ` Benjamin Herrenschmidt
2013-09-05 15:11 ` Alexander Graf
2013-09-09 2:40 ` Alexey Kardashevskiy
2013-09-09 5:50 ` Alexander Graf
2013-09-09 5:58 ` Alexey Kardashevskiy
2013-09-09 6:06 ` Alexander Graf
2013-09-09 9:29 ` Benjamin Herrenschmidt [this message]
2013-09-09 9:32 ` Alexander Graf
2013-09-09 9:38 ` Benjamin Herrenschmidt
2013-09-09 9:41 ` Alexander Graf
2013-09-13 5:20 ` David Gibson
2013-09-13 18:06 ` Alexander Graf
2013-09-05 11:42 ` Benjamin Herrenschmidt
2013-09-05 12:09 ` Alexey Kardashevskiy
2013-09-06 3:00 ` David Gibson
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