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SubjectRe: [PATCH 2/2] fs: remove ksys_dup()
On Thu, Dec 12, 2019 at 10:38 AM Al Viro <> wrote:
> Let's not expose the kernel guts to init/*.c more than absolutely unavoidable.

Well, in this case I think it's more than justified: it removes one of
the nasty "pass user pointers from kernel space" cases.

I'd like to get to the point where "init" doesn't need set_fs() at
all. We're not there now - do_execve() is going to be painful. So
maybe we'll never be. But this gets us one step closer, at least.


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