Re: linux-kernel-digest V1 #2839 (writable /proc/<pid>/cmdli

H. Peter Anvin (hpa@transmeta.com)
9 Dec 1998 21:21:32 GMT

Followup to: <199811252129.PAA10619@dyheli.kwr>
By author: kwrohrer@ce.mediaone.net
In newsgroup: linux.dev.kernel
>
> If processes *really* need thread-local storage, they can make an
> array of pointers before they go thread-hot, then index on
> pthread_self(). So unless processes *really* need *protected*
> thread-local storage, this is a userspace problem anyway.
>
> Keith
>

That is exactly what using an LDT with %fs or %gs would do, it would
just enable the re-use of two otherwise useless registers in the i386
architecture.

-hpa

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