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| From: | Avi Kivity |
| Subject: | Re: [Qemu-devel] Anyone seeing huge slowdown launching qemu with Linux 2.6.35? |
| Date: | Wed, 04 Aug 2010 14:36:52 +0300 |
| User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.7) Gecko/20100720 Fedora/3.1.1-1.fc13 Thunderbird/3.1.1 |
On 08/04/2010 02:33 PM, Richard W.M. Jones wrote:
I'm only allocating 500MB of RAM, so there's easily enough space to put a large ROM, with tons of room for growth (of both RAM and ROM). Yes, even real hardware has done this. The Weitek math copro mapped itself in at physical memory addresses c0000000 (a 32 MB window IIRC).
I'm sure it will work for your use case, but it becomes a feature that only works if you have a guest with a small amount of memory and few pci devices. With a larger guest it fails.
-- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.
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