[PATCHES] uaccess base

[Al Viro]

	Base of uaccess pile - series from Christophe Leroy adding
user_{read,write}_access_begin().  Sat in ppc tree all along,
in vfs.git it's #uaccess.base.  No changes since the last time
it got posted, repeated for reference, based at v5.7-rc1

Christophe Leroy (3):
      uaccess: Add user_read_access_begin/end and user_write_access_begin/end
      uaccess: Selectively open read or write user access
      drm/i915/gem: Replace user_access_begin by user_write_access_begin

 drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c |  5 +++--
 fs/readdir.c                                   | 12 ++++++------
 include/linux/uaccess.h                        |  8 ++++++++
 kernel/compat.c                                | 12 ++++++------
 kernel/exit.c                                  | 12 ++++++------
 lib/strncpy_from_user.c                        |  4 ++--
 lib/strnlen_user.c                             |  4 ++--
 lib/usercopy.c                                 |  6 +++---
 8 files changed, 36 insertions(+), 27 deletions(-)