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SubjectRe: [patch] voluntary-preempt-

* Ingo Molnar <> 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.

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