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Re: [Qemu-devel] Anyone seeing huge slowdown launching qemu with Linux 2


From: Gerd Hoffmann
Subject: Re: [Qemu-devel] Anyone seeing huge slowdown launching qemu with Linux 2.6.35?
Date: Tue, 03 Aug 2010 23:24:23 +0200
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.4) Gecko/20100628 Red Hat/3.1-1.el6 Thunderbird/3.1

  Hi,

Again I don't follow. We can just lay out the ROMs in memory like we did
in the past?

Well. We have some size issues then. PCI ROMS are loaded by the BIOS in a way that only a small fraction is actually resident in the small 0xd0000 -> 0xe0000 area. That doesn't work if qemu tries to simply copy the whole thing there like old versions did. With the size of the gPXE roms this matters in real life.

cheers,
  Gerd




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