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Tiezhu Yang 42077fef30 asm-generic: Unify uapi bitsperlong.h for arm64, riscv and loongarch 
[ Upstream commit 8386f58f8d ]

Now we specify the minimal version of GCC as 5.1 and Clang/LLVM as 11.0.0
in Documentation/process/changes.rst, __CHAR_BIT__ and __SIZEOF_LONG__ are
usable, it is probably fine to unify the definition of __BITS_PER_LONG as
(__CHAR_BIT__ * __SIZEOF_LONG__) in asm-generic uapi bitsperlong.h.

In order to keep safe and avoid regression, only unify uapi bitsperlong.h
for some archs such as arm64, riscv and loongarch which are using newer
toolchains that have the definitions of __CHAR_BIT__ and __SIZEOF_LONG__.

Suggested-by: Xi Ruoyao <xry111@xry111.site>
Link: https://lore.kernel.org/all/d3e255e4746de44c9903c4433616d44ffcf18d1b.camel@xry111.site/
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/linux-arch/a3a4f48a-07d4-4ed9-bc53-5d383428bdd2@app.fastmail.com/
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-12-07 06:12:34 +09:00
..
asm-generic asm-generic: Unify uapi bitsperlong.h for arm64, riscv and loongarch 2025-12-07 06:12:34 +09:00
drm drm/amdgpu: handle gfx12 in amdgpu_display_verify_sizes 2024-09-12 11:10:28 +02:00
linux mptcp: pm: nl: announce deny-join-id0 flag 2025-09-25 10:58:54 +02:00
misc This update includes the following changes: 2022-10-10 13:04:25 -07:00
mtd This pull request contains updates for UBI and UBIFS 2022-10-14 18:23:23 -07:00
rdma RDMA/irdma: Allow accurate reporting on QP max send/recv WR 2024-03-26 18:20:53 -04:00
scsi scsi: mpi3mr: Avoid memcpy field-spanning write WARNING 2024-05-17 11:56:04 +02:00
sound ASoC: Intel: Skylake: Fix declaration of enum skl_ch_cfg 2023-05-30 14:03:32 +01:00
video License cleanup: add SPDX license identifier to uapi header files with a license 2017-11-02 11:20:11 +01:00
xen Improve docs for IOCTL_GNTDEV_MAP_GRANT_REF 2022-02-03 08:23:32 +01:00
Kbuild kbuild: re-implement Makefile.headersinst without recursion 2019-06-15 19:57:02 +09:00