From: Alexander Graf <agraf@suse.de>
To: Richard Henderson <rth@twiddle.net>
Cc: "Heinz Graalfs" <graalfs@linux.vnet.ibm.com>,
"Einar Lueck" <elelueck@linux.vnet.ibm.com>,
qemu-devel <qemu-devel@nongnu.org>,
"Viktor Mihajlovski" <mihajlov@linux.vnet.ibm.com>,
"Christian Borntraeger" <borntraeger@de.ibm.com>,
"Jens Freimann" <jfrei@linux.vnet.ibm.com>,
"Cornelia Huck" <cornelia.huck@de.ibm.com>,
"Andreas Färber" <afaerber@suse.de>
Subject: Re: [Qemu-devel] [PATCH 3/3] S390: Enable -cpu help and QMP query-cpu-definitions
Date: Wed, 12 Dec 2012 19:25:16 +0100 [thread overview]
Message-ID: <50C8CC0C.8040106@suse.de> (raw)
In-Reply-To: <50C8C450.1090500@twiddle.net>
On 12/12/2012 06:52 PM, Richard Henderson wrote:
> On 12/12/2012 06:03 AM, Alexander Graf wrote:
>> The TCG model is a "z900". We can just have a "z900" model and a
>> "host" model with tcg_enabled() vs kvm_enabled() checks on each.
> My target-s390x tcg rewrite targets something just shy of z196.
>
> The main thing that's missing is actually STORE FACILITY LIST EXTENDED.
> Which I always assumed would go along with a re-vamp of the cpu model,
> just as we're considering here, so that we could in fact emulate z900
> or anything in between.
Yes, and it's definitely something we need to do. I'm just concerned
about timing. Do we want to hold back a bug fix (libvirt can break with
empty cpu lists) for a feature (proper cpu list for tcg targets)?
I'd say let's make the -cpu host target work and whoever gets around to
it first can implement cpu models, store facility list extended, and tcg
feature masks.
Alex
next prev parent reply other threads:[~2012-12-12 18:25 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-12 13:08 [Qemu-devel] [PATCH 0/3] s390: ipl device, cpu reset handler and cpu model support Jens Freimann
2012-12-12 13:08 ` [Qemu-devel] [PATCH 1/3] s390: Move IPL code into a separate device Jens Freimann
2012-12-12 13:31 ` Alexander Graf
2012-12-12 19:56 ` Christian Borntraeger
2012-12-12 13:08 ` [Qemu-devel] [PATCH 2/3] s390: Add CPU reset handler Jens Freimann
2012-12-12 13:38 ` Alexander Graf
2012-12-12 15:04 ` Jens Freimann
2012-12-12 13:08 ` [Qemu-devel] [PATCH 3/3] S390: Enable -cpu help and QMP query-cpu-definitions Jens Freimann
2012-12-12 13:40 ` Alexander Graf
2012-12-12 13:51 ` Andreas Färber
2012-12-12 14:03 ` Alexander Graf
2012-12-12 14:57 ` Viktor Mihajlovski
2012-12-12 17:52 ` Richard Henderson
2012-12-12 18:25 ` Alexander Graf [this message]
2012-12-12 15:05 ` Viktor Mihajlovski
2012-12-12 15:50 ` Alexander Graf
2012-12-12 16:28 ` Andreas Färber
2012-12-12 18:23 ` Alexander Graf
-- strict thread matches above, loose matches on Subject: below --
2012-12-14 16:46 [Qemu-devel] [PATCH 0/3] s390: ipl device, cpu reset handler and cpu model support Jens Freimann
2012-12-14 16:46 ` [Qemu-devel] [PATCH 3/3] S390: Enable -cpu help and QMP query-cpu-definitions Jens Freimann
2012-12-16 15:42 ` Andreas Färber
2012-12-17 14:47 ` Alexander Graf
2012-12-17 17:32 ` Andreas Färber
2012-12-18 17:50 [Qemu-devel] [PATCH 0/3] s390: ipl device, cpu reset handler and cpu model support Jens Freimann
2012-12-18 17:50 ` [Qemu-devel] [PATCH 3/3] S390: Enable -cpu help and QMP query-cpu-definitions Jens Freimann
2013-01-03 13:01 ` Alexander Graf
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