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SubjectRe: access_ok inside kernelspace

On Tue, 19 Oct 1999, Tigran Aivazian wrote:

> And example I give is exec_modprobe() doing close(i) when it could just do
> sys_close(i).

well, there could be at least one valid reason, ptrace(). If you want to
make one particular kernel daemon strace-able then the entry trap could be
used. I dont know wether it actually works (looks like raceland), but that
could be one reason. exec_modprobe is executed by a kernel thread (kmod),
so it can be argued that it's a special case.

-- mingo

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