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From: | Jes Sorensen |
Subject: | [Qemu-devel] Re: [PATCH] QEMU - provide e820 reserve through qemu_cfg |
Date: | Mon, 25 Jan 2010 22:24:23 +0100 |
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 01/25/10 22:08, Alexander Graf wrote:
On 25.01.2010, at 22:05, Jes Sorensen wrote:Only problem is that we don't really have a way to pass back info saying 'you messed up trying to pinch an area that the BIOS wants for itself'.Eh - the BIOS shouldn't even try to use regions that are declared as reserved using this interface. I guess we're mostly talking about DMI and ACPI tables. They can be anywhere in RAM.
What I had in mind with the above was the situation where a user tries to reserve a region that is hardcoded into the BIOS, such as the address of the BIOS text/data etc. I don't think it would be a real problem anyway, if some user wants to play with it, they have to take the risk of shooting themself in the foot :) Cheers, Jes
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