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From: Anthony Liguori <anthony@codemonkey.ws>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: glommer@redhat.com, qemu-devel@nongnu.org,
	Alexander Graf <agraf@suse.de>,
	Kevin O'Connor <kevin@koconnor.net>,
	Gerd Hoffmann <kraxel@redhat.com>,
	Sebastian Herbszt <herbszt@gmx.de>
Subject: Re: Proper support for PCI-based option rom loading (was Re: [Qemu-devel] Re: qdev property bug?)
Date: Tue, 15 Dec 2009 15:57:30 -0600	[thread overview]
Message-ID: <4B28064A.1070501@codemonkey.ws> (raw)
In-Reply-To: <20091215215244.GI26712@redhat.com>

Michael S. Tsirkin wrote:
>> Heh, this is going to be really broken with my patches :-)
>>
>> We're during qemu_ram_alloc() and we currently don't have a means to  
>> associate ram with anything meaningful.  This means that if you hot plug  
>> on two ends in different orders (even with fixed slots), the returned  
>> qemu_ram_alloc() pointers will be different for the same device.  This  
>> means when you did the live migration of the rom contents, you'd get the  
>> wrong roms in the wrong places.
>>
>> I think we need to improve how we do qemu_ram_alloc() such that we can  
>> associate some meaningful context with each allocated chunk that we can  
>> migrate with the chunk of ram.
>>
>> Regards,
>>
>> Anthony Liguori
>>     
>
> Hmm. You think all this is 0.12 material?
>   
I think it's stable-0.12 material because it's badly broken right now 
but it's clearly not a candidate for 0.12.0 as it still doesn't work 
reliably.

I'm going to pull in Gerd's fix for 0.12.0.

Regards,

Anthony Liguori

  reply	other threads:[~2009-12-15 21:57 UTC|newest]

Thread overview: 101+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20091213200259.GB25615@redhat.com>
     [not found] ` <4B260683.8000506@redhat.com>
     [not found]   ` <20091214093414.GA30459@redhat.com>
     [not found]     ` <4B26090B.8010707@redhat.com>
     [not found]       ` <20091214094406.GB32140@redhat.com>
     [not found]         ` <4B261082.4030806@redhat.com>
2009-12-14 10:59           ` [Qemu-devel] Re: qdev property bug? Michael S. Tsirkin
2009-12-14 11:55             ` Alexander Graf
2009-12-14 13:24               ` Michael S. Tsirkin
2009-12-14 13:35                 ` Alexander Graf
2009-12-14 14:01                   ` Michael S. Tsirkin
2009-12-14 17:00                     ` Glauber Costa
2009-12-14 14:11                   ` Anthony Liguori
2009-12-14 14:11                     ` Michael S. Tsirkin
2009-12-14 14:13                       ` Michael S. Tsirkin
2009-12-14 14:25                         ` Anthony Liguori
2009-12-14 16:20                           ` Michael S. Tsirkin
2009-12-14 19:12                           ` Sebastian Herbszt
2009-12-14 19:20                             ` Michael S. Tsirkin
2009-12-14 19:38                               ` Sebastian Herbszt
2009-12-14 19:33                             ` Anthony Liguori
2009-12-14 19:42                               ` Michael S. Tsirkin
2009-12-14 19:59                                 ` Anthony Liguori
2009-12-14 20:20                                   ` Michael S. Tsirkin
2009-12-14 20:32                                     ` Gerd Hoffmann
2009-12-14 20:34                                       ` Michael S. Tsirkin
2009-12-14 20:36                                         ` Michael S. Tsirkin
2009-12-14 20:44                                           ` Anthony Liguori
2009-12-14 20:51                                             ` Michael S. Tsirkin
2009-12-15  2:37                                               ` Proper support for PCI-based option rom loading (was Re: [Qemu-devel] Re: qdev property bug?) Anthony Liguori
2009-12-15  3:55                                                 ` Kevin O'Connor
2009-12-15  4:34                                                 ` Kevin O'Connor
2009-12-15 13:15                                                   ` Anthony Liguori
2009-12-15 14:20                                                     ` Anthony Liguori
2009-12-15 14:33                                                       ` [SeaBIOS] " Avi Kivity
2009-12-15 17:35                                                         ` Anthony Liguori
2009-12-15 23:54                                                           ` Kevin OConnor
2009-12-16  0:41                                                             ` Anthony Liguori
2009-12-16  4:20                                                               ` Kevin O'Connor
2009-12-15  9:17                                                 ` Gerd Hoffmann
2009-12-15 10:14                                                   ` Gerd Hoffmann
2009-12-15 19:10                                                     ` Anthony Liguori
2009-12-16 12:03                                                       ` Gerd Hoffmann
2009-12-16 12:39                                                         ` Michael S. Tsirkin
2009-12-16 13:42                                                           ` Gerd Hoffmann
2009-12-16 13:52                                                             ` Michael S. Tsirkin
2009-12-16 14:12                                                               ` Kevin O'Connor
2009-12-16 14:14                                                                 ` Michael S. Tsirkin
2009-12-16 14:17                                                                 ` Gleb Natapov
2009-12-16 14:15                                                                   ` Michael S. Tsirkin
2009-12-16 14:18                                                                     ` Gleb Natapov
2009-12-16 14:24                                                                       ` Michael S. Tsirkin
2009-12-16 14:28                                                                         ` Gleb Natapov
2009-12-16 14:28                                                                           ` Michael S. Tsirkin
2009-12-15 19:35                                                     ` Anthony Liguori
2009-12-15 21:17                                                       ` Michael S. Tsirkin
2009-12-15 21:41                                                         ` Anthony Liguori
2009-12-16  0:33                                                           ` Chris Wright
2009-12-16  1:32                                                             ` Anthony Liguori
2009-12-16  4:57                                                           ` Kevin O'Connor
2009-12-16 12:31                                                             ` Gerd Hoffmann
2009-12-16 16:22                                                             ` Gerd Hoffmann
2009-12-17  1:24                                                               ` Kevin O'Connor
2009-12-17  9:45                                                                 ` Gerd Hoffmann
2009-12-17  9:50                                                                   ` Michael S. Tsirkin
2009-12-17 10:40                                                                     ` Gerd Hoffmann
2009-12-16 14:41                                                           ` Gerd Hoffmann
2009-12-16 14:41                                                             ` Michael S. Tsirkin
2009-12-16 14:50                                                               ` [SeaBIOS] " Gleb Natapov
2009-12-15 13:16                                                   ` Anthony Liguori
2009-12-15 21:24                                                     ` Sebastian Herbszt
2009-12-15 21:31                                                       ` Anthony Liguori
2009-12-15 21:38                                                         ` Sebastian Herbszt
2009-12-15 22:00                                                           ` Anthony Liguori
2009-12-17 21:14                                                             ` Sebastian Herbszt
2009-12-16  4:29                                                       ` Kevin O'Connor
2009-12-16 12:01                                                         ` Gerd Hoffmann
2009-12-15 19:21                                                   ` Anthony Liguori
2009-12-15 21:19                                                     ` Michael S. Tsirkin
2009-12-15 21:45                                                       ` Anthony Liguori
2009-12-15 21:52                                                         ` Michael S. Tsirkin
2009-12-15 21:57                                                           ` Anthony Liguori [this message]
2009-12-15 21:59                                                             ` Michael S. Tsirkin
2009-12-15 22:26                                                               ` Anthony Liguori
2009-12-15 22:51                                                                 ` Sebastian Herbszt
2009-12-16 14:49                                                                   ` Gerd Hoffmann
2009-12-17 20:33                                                                     ` Sebastian Herbszt
2009-12-15 10:51                                                 ` Michael S. Tsirkin
2009-12-15 19:05                                                   ` Anthony Liguori
2009-12-15 19:06                                                     ` Anthony Liguori
2009-12-14 20:43                                         ` [Qemu-devel] Re: qdev property bug? Anthony Liguori
2009-12-14 20:50                                           ` Michael S. Tsirkin
2009-12-14 21:05                                             ` Anthony Liguori
2009-12-14 21:36                                               ` Sebastian Herbszt
2009-12-14 21:52                                                 ` Anthony Liguori
2009-12-14 22:14                                                   ` Sebastian Herbszt
2009-12-15  4:23                                               ` Kevin O'Connor
2009-12-14 20:47                                         ` Sebastian Herbszt
2009-12-14 20:56                                           ` Anthony Liguori
2009-12-14 20:38                                       ` Sebastian Herbszt
2009-12-14 19:51                               ` Sebastian Herbszt
2009-12-14 14:22                       ` Anthony Liguori
2009-12-14 17:03                         ` Glauber Costa
2009-12-14 17:01                       ` Glauber Costa
2009-12-14 14:10               ` Anthony Liguori
2009-12-14 14:52                 ` Gerd Hoffmann
2009-12-14 14:54                   ` Anthony Liguori

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