[PATCH 0/2] uapi: Add support for GENMASK_U128()

[Anshuman Khandual]

This adds support for GENMASK_U128() and some corresponding tests as well.
GENMASK_U128() generated 128 bit masks will be required later on the arm64
platform for enabling FEAT_SYSREG128 and FEAT_D128 features.

Question:

Proposed GENMASK_U128() depends on __int128 data type being supported in
the compiler. Just wondering if that requires some compiler version #ifdefs
or something similar ?

Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Yury Norov <yury.norov@xxxxxxxxx>
Cc: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: linux-arch@xxxxxxxxxxxxxxx

Anshuman Khandual (2):
  uapi: Define GENMASK_U128
  lib/test_bits.c: Add tests for GENMASK_U128()

 include/linux/bits.h                   |  2 ++
 include/uapi/asm-generic/bitsperlong.h |  4 ++++
 include/uapi/linux/bits.h              |  4 ++++
 include/uapi/linux/const.h             |  3 +++
 lib/test_bits.c                        | 21 +++++++++++++++++++++
 5 files changed, 34 insertions(+)

-- 
2.30.2