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List:       linux-kernel
Subject:    Re: [patch] voluntary-preempt-2.6.8.1-P6
From:       Ingo Molnar <mingo () elte ! hu>
Date:       2004-08-21 9:46:50
Message-ID: 20040821094650.GA28525 () elte ! hu
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* Ingo Molnar <mingo@elte.hu> wrote:

> but the XFree86 latency is interesting indeed. It could be the effect
> of the now-enlarged ioperm() bitmap! 80 usecs is excessive.

yeah, that's the reason. The quick fix is to reduce IO_BITMAP_BITS to
1024 in include/asm-i386/processor.h. I'm working on a real fix.

	Ingo
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