From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: bharata@linux.vnet.ibm.com, qemu-devel@nongnu.org, qemu-ppc@nongnu.org
Cc: david@gibson.dropbear.id.au, clg@kaod.org,
"Nikunj A. Dadhania" <nikunj@linux.vnet.ibm.com>
Subject: Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken
Date: Thu, 22 Sep 2016 16:07:21 +1000 [thread overview]
Message-ID: <1474524441.2857.159.camel@kernel.crashing.org> (raw)
In-Reply-To: <20160922052105.GD7915@in.ibm.com>
On Thu, 2016-09-22 at 10:51 +0530, Bharata B Rao wrote:
> The flag values are expected to remain same for a machine version for
> the migration to succeed, but this expectation is broken now. Should
> we make the addition of these flags conditional on machine type
> version ?
> But these flags are part of POWER8 CPU definition which is common for
> both pseries and upcoming powernv.
Does this affect KVM ? (And if yes why on earth would KVM give a flying
f*** about the TCG instruction flags ?) ... If not, then I think we can
safely not care.
This migration business is making life really really really hard ...
Ben.
next prev parent reply other threads:[~2016-09-22 6:07 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-22 5:21 [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken Bharata B Rao
2016-09-22 5:30 ` David Gibson
2016-09-22 6:00 ` Bharata B Rao
2016-09-22 6:36 ` Cédric Le Goater
2016-09-22 9:46 ` Dr. David Alan Gilbert
2016-09-22 10:01 ` Nikunj A Dadhania
2016-09-22 10:28 ` Dr. David Alan Gilbert
2016-09-22 11:18 ` Nikunj A Dadhania
2016-09-22 6:07 ` Benjamin Herrenschmidt [this message]
2016-09-22 6:15 ` Bharata B Rao
2016-09-22 8:47 ` Benjamin Herrenschmidt
2016-09-22 9:04 ` Nikunj A Dadhania
2016-09-22 10:04 ` Benjamin Herrenschmidt
2016-09-22 10:32 ` Paolo Bonzini
2016-09-22 11:07 ` Benjamin Herrenschmidt
2016-09-23 1:01 ` David Gibson
2016-09-22 11:07 ` Nikunj A Dadhania
2016-09-22 11:27 ` Cédric Le Goater
2016-09-22 11:37 ` Benjamin Herrenschmidt
2016-09-23 1:37 ` David Gibson
2016-09-23 3:27 ` Benjamin Herrenschmidt
2016-09-23 5:49 ` David Gibson
2016-09-22 19:00 ` Nikunj A Dadhania
2016-09-22 16:07 ` Dr. David Alan Gilbert
2016-09-22 17:27 ` Nikunj A Dadhania
2016-09-22 10:34 ` Alexey Kardashevskiy
2016-09-22 11:09 ` Benjamin Herrenschmidt
2016-09-23 0:52 ` David Gibson
2016-09-23 3:18 ` Nikunj A Dadhania
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