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Re: TLB entries > 4kb

To: David Woodhouse <>
Subject: Re: TLB entries > 4kb
From: MOLNAR Ingo <>
Date: Thu, 12 Feb 1998 23:00:09 +0100 (CET)
Cc: Alan Cox <>,,,
In-reply-to: <>
On Thu, 12 Feb 1998, David Woodhouse wrote:

> GGI (well, KGI) should be able to fix both of these, shouldn't it?

the hw virtualization (cli/sti) thing yes, but the 4MB thing not, as
GGILib lives in user-space, GGI does not spend too much time in the
kernel, rendering is done in user-space.

but i suspect things doing direct rendering like Quake could benefit from
4MB pages big time. For this we have to implement ring-0 processes though
... XFree86 is nicely accelerated (and the accelerator chip has no
business with the CPU).

-- mingo

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