Re: RFC: getting rid of the TSS + patch

H. Peter Anvin (hpa@transmeta.com)
28 Aug 1997 00:03:43 GMT

Followup to: <Pine.LNX.3.95.970827134006.2904A-100000@pc7537.hil.siemens.at>
By author: Ingo Molnar <mingo@pc7537.hil.siemens.at>
In newsgroup: linux.dev.kernel
>
> without any TSS switching, with full iopl() and ioperm() interface
> compatibility...
>

You may wish to see if you can get rid of the 1024-port limitation in
the ioperm() bitmap. Since so few processes use ioperm(), you may be
able to allocate a full 64K-port bitmap once they call ioperm().
Linus couldn't do this for memory management reasons, maybe your code
can...

-hpa

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