Re: objtool clac/stac handling change..

From: Al Viro
Date: Thu Jul 02 2020 - 10:02:18 EST


On Thu, Jul 02, 2020 at 11:34:31PM +1000, Michael Ellerman wrote:

> I think we can do something to make it work.
>
> We don't have an equivalent of x86's ex_handler_uaccess(), so it's not
> quite as easy as whacking a user_access_end() in there.
>
> Probably the simplest option for us is to just handle it in our
> unsafe_op_wrap(). I'll try and come up with something tomorrow.

The goal is to avoid using unsafe_op_wrap()...