Re: copy_from_user() fixu

Alan Cox (alan@lxorguk.ukuu.org.uk)
Tue, 25 Aug 1998 14:09:40 +0100 (BST)


> I checked my POSIX book this morning and it doesn't mention
> EFAULT. However, if Unix98 mentions it, we should support it as the
> default.

POSIX doesnt specify a machine with hardware protection even. And since
you can have a POSIX compliant environment on an embedded 8bit controller
that makes a lot of sense.

Unix98 doesn't specify whether a function is kernel or library space. That
rather constrains the EFAULT/SEGV specification.

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