On Tue, Nov 04 2025 at 07:39, Christophe Leroy wrote:

Le 22/10/2025 à 19:05, Thomas Gleixner a écrit :

quoted

On Fri, Oct 17 2025 at 12:20, Christophe Leroy wrote:

quoted

Allthough masked_user_access_begin() is to only be used when reading
data from user at the moment, introduce masked_user_read_access_begin()
and masked_user_write_access_begin() in order to match
user_read_access_begin() and user_write_access_begin().

That means masked_user_read_access_begin() is used when user memory is
exclusively read during the window, masked_user_write_access_begin()
is used when user memory is exclusively writen during the window,
masked_user_access_begin() remains and is used when both reads and
writes are performed during the open window. Each of them is expected
to be terminated by the matching user_read_access_end(),
user_write_access_end() and user_access_end().

Have them default to masked_user_access_begin() when they are
not defined.

Signed-off-by: Christophe Leroy <redacted>

Can we please coordinate on that vs. the scoped_access() work as this
nicely collides all over the place?

Sure, I will rebase on top of your series.

Once it is rebased, could you take the non powerpc patches in your tree ?

Sure. The current lot is at:

  git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git scoped-uaccess

Thanks,

        tglx