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From: Jan Kiszka <jan.kiszka@siemens.com>
To: Aurelien Jarno <aurelien@aurel32.net>
Cc: Anthony Liguori <aliguori@us.ibm.com>,
	Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>,
	Stefan Hajnoczi <stefanha@gmail.com>,
	Marcelo Tosatti <mtosatti@redhat.com>,
	"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
	Anthony Liguori <aliguori@linux.vnet.ibm.com>,
	Paul Brook <paul@codesourcery.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
	Arun Bharadwaj <arun@linux.vnet.ibm.com>
Subject: Re: [Qemu-devel] Re: [PATCH 2/7] Enable I/O thread and VNC threads by default
Date: Tue, 08 Feb 2011 11:40:15 +0100	[thread overview]
Message-ID: <4D511D8F.5070008@siemens.com> (raw)
In-Reply-To: <4D511AAF.7040202@aurel32.net>

On 2011-02-08 11:27, Aurelien Jarno wrote:
> Stefan Hajnoczi a écrit :
>> Introducing IOTHREAD made !CONFIG_IOTHREAD platforms second class
>> citizens.  I think you'd like people to provide full support when they
>> introduce new features.
>>
> 
> I think you really pointed the problem here. We should probably add a
> feature that will make KVM second class citizen so that people can
> understand what it means.

There are people out there who already thought loudly about forking or
rewriting those QEMU bits required for KVM support just to make "life
easier". I already disagreed on this, and I continue to do so as both
use cases nicely benefit from each other.

KVM is driving QEMU features today that would otherwise have taken years
to show up, if at all. On the other side, all those bits related to the
cross-arch platform emulation of non-x86 helps and will continue to help
KVM support on those archs as well (we already have it on PPC, we'll see
on ARM and likely more in the future).

So, please let's stop this useless finger pointing, on both sides. KVM
and QEMU is a symbiosis. Unfortunately, this is not (yet?) the case for
POSIX vs. Windows hosts.

Jan

-- 
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux

  parent reply	other threads:[~2011-02-08 10:40 UTC|newest]

Thread overview: 101+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-24 21:00 [Qemu-devel] [RFC 0/7] Introduce hard dependency on glib Anthony Liguori
2011-01-24 21:00 ` [Qemu-devel] [PATCH 1/7] io-thread: make sure to initialize qemu_work_cond and qemu_cpu_cond Anthony Liguori
2011-02-08  8:53   ` [Qemu-devel] " Jan Kiszka
2011-02-08  9:01     ` Anthony Liguori
2011-01-24 21:00 ` [Qemu-devel] [PATCH 2/7] Enable I/O thread and VNC threads by default Anthony Liguori
2011-01-24 22:28   ` [Qemu-devel] " Anthony Liguori
2011-01-25  9:17     ` Edgar E. Iglesias
2011-01-25 13:34       ` Marcelo Tosatti
2011-02-07 10:12         ` Marcelo Tosatti
2011-02-07 16:03           ` Marcelo Tosatti
2011-02-07 16:23             ` Paolo Bonzini
2011-02-07 17:10               ` Jan Kiszka
2011-02-07 21:02                 ` Anthony Liguori
2011-02-07 21:45                   ` Aurelien Jarno
2011-02-08  2:09                     ` Anthony Liguori
2011-02-08  7:26                       ` Aurelien Jarno
2011-02-08  8:08                         ` Paolo Bonzini
2011-02-08  8:50                           ` Jan Kiszka
2011-02-08  9:05                             ` Aurelien Jarno
2011-02-08  9:12                               ` Anthony Liguori
2011-02-08  9:49                                 ` Paolo Bonzini
2011-02-08  9:51                               ` Jan Kiszka
2011-02-08  9:58                                 ` Aurelien Jarno
2011-02-08 10:03                                   ` Jan Kiszka
2011-02-08 10:06                                     ` Aurelien Jarno
2011-02-08 10:16                                       ` Alexander Graf
2011-02-08 10:17                                       ` Stefan Hajnoczi
2011-02-08 10:27                                         ` Aurelien Jarno
2011-02-08 10:31                                           ` Paolo Bonzini
2011-02-08 10:40                                           ` Jan Kiszka [this message]
2011-02-08 18:05                                           ` Anthony Liguori
2011-02-08 11:29                                             ` Aurelien Jarno
2011-02-08 12:38                                             ` Riku Voipio
2011-02-08 10:21                                       ` Jan Kiszka
2011-02-08 10:26                                         ` Aurelien Jarno
2011-02-08 10:30                                           ` Jan Kiszka
2011-02-08 17:58                                       ` Anthony Liguori
2011-02-08 11:07                                         ` Tristan Gingold
2011-02-08 11:46                                           ` Aurelien Jarno
2011-02-08 12:07                                             ` Paolo Bonzini
2011-02-08 19:21                                             ` Anthony Liguori
2011-02-08 11:15                                         ` Aurelien Jarno
2011-02-08 12:10                                           ` Paolo Bonzini
2011-02-08 13:31                                             ` Aurelien Jarno
2011-02-08 15:08                                               ` Aurelien Jarno
2011-02-09 17:35                                                 ` Aurelien Jarno
2011-02-09 20:07                                                   ` Anthony Liguori
2011-02-11  0:03                                                     ` Marcelo Tosatti
2011-02-08 19:17                                           ` Anthony Liguori
2011-02-08 13:30                                             ` Aurelien Jarno
2011-02-08 20:54                                               ` Anthony Liguori
2011-02-08 15:09                                                 ` Aurelien Jarno
2011-02-09 17:13                                                   ` Blue Swirl
2011-02-09 22:16                                                     ` [Qemu-devel] " Stefan Weil
2011-02-10  7:34                                                       ` Paolo Bonzini
2011-02-10  9:54                                                       ` Paolo Bonzini
2011-02-10 19:46                                                         ` Stefan Weil
2011-02-08 10:06                                   ` [Qemu-devel] " Paolo Bonzini
2011-02-07 18:35             ` Edgar E. Iglesias
2011-02-07 20:44             ` Aurelien Jarno
2011-02-07 21:30             ` Scott Wood
2011-02-07 20:47           ` Edgar E. Iglesias
2011-01-25  8:33   ` [Qemu-devel] [PATCH 0/2] vnc: the lost parts Corentin Chary
2011-01-25  8:33   ` [Qemu-devel] [PATCH 1/2] vl.c: set NULL upon deleting handlers in qemu_set_fd_handler2() Corentin Chary
2011-01-25 10:03     ` Stefan Hajnoczi
2011-01-25 10:13       ` Corentin Chary
2011-01-25 10:26         ` Stefan Hajnoczi
2011-01-25 12:05           ` Yoshiaki Tamura
2011-01-25  8:33   ` [Qemu-devel] [PATCH 2/2] vnc: qemu can die if the client is disconnected while updating screen Corentin Chary
2011-01-24 21:00 ` [Qemu-devel] [PATCH 3/7] Add support for glib based threading and convert qemu thread to use it Anthony Liguori
2011-01-25 14:24   ` Aurelien Jarno
2011-01-25 15:34     ` Anthony Liguori
2011-02-02 17:32   ` [Qemu-devel] " Paolo Bonzini
2011-02-02 17:35     ` Anthony Liguori
2011-01-24 21:00 ` [Qemu-devel] [PATCH 4/7] Get rid of QemuMutex and teach its callers about GStaticMutex Anthony Liguori
2011-01-24 22:24   ` [Qemu-devel] " Jan Kiszka
2011-01-25  0:02     ` Anthony Liguori
2011-01-25  7:39       ` Jan Kiszka
2011-01-24 21:00 ` [Qemu-devel] [PATCH 5/7] threads: get rid of QemuCond and teach callers about GCond Anthony Liguori
2011-01-24 21:00 ` [Qemu-devel] [PATCH 6/7] Teach vnc server to use GThread directly Anthony Liguori
2011-01-26 10:39   ` Stefan Hajnoczi
2011-01-24 21:00 ` [Qemu-devel] [PATCH 7/7] Rename QemuThread to QemuSThread to indicate that it is not a generic thread Anthony Liguori
2011-01-24 21:28 ` [Qemu-devel] Re: [RFC 0/7] Introduce hard dependency on glib Paolo Bonzini
2011-01-24 22:01   ` Anthony Liguori
2011-01-25 10:41     ` Paolo Bonzini
2011-01-25 11:14       ` Daniel P. Berrange
2011-01-25 11:21         ` Paolo Bonzini
2011-01-25  0:24 ` [Qemu-devel] " Anthony Liguori
2011-01-25  6:51   ` Edgar E. Iglesias
2011-01-25 10:24 ` Stefan Hajnoczi
2011-01-25 11:51 ` Gerd Hoffmann
2011-01-25 12:04   ` Daniel P. Berrange
2011-01-25 14:48   ` Stefano Stabellini
2011-01-25 17:48     ` Anthony Liguori
2011-01-25 18:12       ` Stefano Stabellini
2011-01-25 14:23 ` Aurelien Jarno
2011-01-25 15:35   ` Anthony Liguori
     [not found] ` <20110126044710.GU9566@redhat.com>
2011-01-26 15:53   ` Anthony Liguori
2011-01-26 21:23     ` Stefan Hajnoczi
2011-01-26 22:12       ` Anthony Liguori
2011-01-26 17:48 ` Johannes Stezenbach

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