Re: copy_from_user() fix
Alan Cox (alan@lxorguk.ukuu.org.uk)
Mon, 24 Aug 1998 12:54:24 +0100 (BST)
> > Thats a matter for glibc. If you wrap the glibc syscall macros to do
> > a raise(SIGSEGV) then you get your desire. So its a non kernel item ;)
>
> Still, I think that this could be in kernel. It is faster to do here
> (you can SIGSEGV it directly from pagefault handler), and IMO you
> _should_ get SIGSEGV for read(0,0,1)...
Since when has SIGSEGV on a memory error been performance critical ?
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