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Subject: Re: [patch] context-switching overhead in X, ioport(), 2.6.8.1
From: Lee Revell <rlrevell@joe-job.com>
To: Ryan Cumming <ryan@spitfire.gotdns.org>
Cc: "David S. Miller" <davem@redhat.com>, Ingo Molnar <mingo@elte.hu>,
       torvalds@osdl.org, Andrew Morton <akpm@osdl.org>,
       linux-kernel <linux-kernel@vger.kernel.org>
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On Sun, 2004-08-22 at 01:42, Ryan Cumming wrote:
> On Saturday 21 August 2004 21:46, David S. Miller wrote:
> > FWIW, I would recommend a sparse bitmap implementation for the
> > ioport stuff.
> 
> The problem is that the sparse bitmap would have to be unpacked to the "dense" 
> bitmap that lives in the TSS on context switch.

Can someone supply a link to the original LKML post with the ioport
change?  I was not able to find it in my mailbox nor in the archives.

Lee