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From: | Anthony Liguori |
Subject: | Re: [Qemu-devel] Seabios dislikes -M isapc |
Date: | Tue, 09 Feb 2010 15:05:16 -0600 |
User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.5) Gecko/20091209 Fedora/3.0-4.fc12 Lightning/1.0pre Thunderbird/3.0 |
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
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