On Wed, 14 Apr 2021 13:08:40 + (UTC), Christophe Leroy wrote:
> Its name comes from former probe_user_read() function.
> That function is now called copy_from_user_nofault().
>
> probe_user_read_inst() uses copy_from_user_nofault() to read only
> a few bytes. It is suboptimal.
>
> It does the
Its name comes from former probe_user_read() function.
That function is now called copy_from_user_nofault().
probe_user_read_inst() uses copy_from_user_nofault() to read only
a few bytes. It is suboptimal.
It does the same as get_user_inst() but in addition disables
page faults.
But on the other