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From: Anthony Liguori <anthony@codemonkey.ws>
To: Natalia Portillo <claunia@claunia.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Seabios dislikes -M isapc
Date: Tue, 09 Feb 2010 15:05:16 -0600	[thread overview]
Message-ID: <4B71CE0C.90204@codemonkey.ws> (raw)
In-Reply-To: <24DBE33F-1742-4534-A943-65D9A3579A81@claunia.com>

On 02/09/2010 02:36 PM, Natalia Portillo wrote:
> There are operating systems that simple conflict with some assumptions 
> made by PCI architecture.
>
> Rembember that the PC memory map changed to include the PCI 
> configuration space and so on, space that can be expected to contain 
> other data, or not at all, and could be used in ISA/EISA/VLB/MCA 
> systems by PCI-unaware operating systems or applications.

But practically speaking, given the devices that we emulate, is there 
any workload that works with -M isapc but not -M pc?

Having to support an ISA and PCI system in the BIOS is a bit of a 
burden.  If we can eliminate that without regressing any guest 
workloads, I think it would be a net win.

Regards,

Anthony Liguori

  reply	other threads:[~2010-02-09 21:05 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-08 10:17 [Qemu-devel] Seabios dislikes -M isapc Jan Kiszka
2010-02-08 18:38 ` [Qemu-devel] " Sebastian Herbszt
2010-02-08 19:09   ` Jan Kiszka
2010-02-09  0:51     ` Kevin O'Connor
2010-02-09 20:47       ` Sebastian Herbszt
2010-02-09 19:45 ` [Qemu-devel] " Andreas Färber
2010-02-09 19:50 ` Anthony Liguori
2010-02-09 20:36   ` Natalia Portillo
2010-02-09 21:05     ` Anthony Liguori [this message]
2010-02-09 21:36       ` Natalia Portillo
2010-02-09 21:41         ` Anthony Liguori
2010-02-09 22:41         ` malc
2010-02-09 23:25           ` Aurelien Jarno
2010-02-09 23:28             ` malc
2010-02-10  0:00             ` Anthony Liguori
2010-02-10  0:27               ` malc
2010-02-10  0:31                 ` Anthony Liguori
2010-02-11 23:51                   ` Jamie Lokier
2010-02-12  2:44                     ` Anthony Liguori
2010-02-09 23:27           ` Natalia Portillo
2010-02-09 23:30             ` malc
2010-02-09 22:37   ` malc

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