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From: | Fabrice Bellard |
Subject: | Re: [Qemu-devel] qemu on 2.6.0-rc1 |
Date: | Tue, 06 Jan 2004 22:48:54 +0100 |
User-agent: | Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030624 |
It seems I need to update the documentation :-)Did you try to submit the non QEMU specific patches to Linus ? I think it is dangerous to leave harcoded constants in somes parts of the kernel.
BTW, in the current CVS, qemu-fast is about 2.3 times faster as the previous version (still 9 times slower than native on a P2 500 MHz on a typical 'gcc -pipe' compilation task which involves a lot of task switches).
I am planning simple x86 host specific optimisations to get closer to native performance... and SMP is getting closer now with my last changes.
Fabrice. Rusty Russell wrote:
In message <address@hidden> you write:Hi, I try to run qemu-fast on Linux kernel 2.6.0-rc1. I could not find the things which I should change in the documentation:Here's my patch, included below. 2.6.0 requires the vsyscall area to move as well. Sure, you can run the non-fast qemu, but it's MUCH slower. Andrew? This patch also has the benifit of moving all the constantsto one place, as well as adding a CONFIG_QEMU option. I use it for testing all the time.Thanks, Rusty.
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