Re: Differences between FreeBSD and Linux system call mechanism

H. Peter Anvin (hpa@transmeta.com)
4 Sep 1998 00:07:20 GMT

Followup to: <199809032240.PAA02629@usr09.primenet.com>
By author: Terry Lambert <tlambert@primenet.com>
In newsgroup: linux.dev.kernel
>
> > 2) I don't see the connection between kernel entry and TSS based task
> > switch.
>
> The task switch is implemented by selecting a Tassk Gate descriptor in
> either the GDT or the LDT.
>

Actually, Linux branches to the TSS descriptor itself, not to a task
gate.

-hpa

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