diff options
| author | Levin, Alexander (Sasha Levin) <alexander.levin@verizon.com> | 2017-05-25 12:58:47 +0000 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-06-05 09:28:09 +0200 |
| commit | 6c8e6483850e7a7e44fd584790969c308887c468 (patch) | |
| tree | a22b5da6c662b1479f17b6fbfaf040f4a0881491 /tools/include/linux/bitops.h | |
| parent | 20fb654aef1c929f7befb40678e2cb65a77ead7f (diff) | |
| download | linux-stable-6c8e6483850e7a7e44fd584790969c308887c468.tar.gz linux-stable-6c8e6483850e7a7e44fd584790969c308887c468.tar.bz2 linux-stable-6c8e6483850e7a7e44fd584790969c308887c468.zip | |
tools/lib/lockdep: Fix compilation for 4.11
- More rcu stubs
- New dummy headers due to sched header split
- jhash2 included in due to kernel lockdep inclusion and usage
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: a.p.zijlstra@chello.nl
Cc: ben@decadent.org.uk
Link: http://lkml.kernel.org/r/20170525130005.5947-13-alexander.levin@verizon.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/include/linux/bitops.h')
| -rw-r--r-- | tools/include/linux/bitops.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/include/linux/bitops.h b/tools/include/linux/bitops.h index 1aecad369af5..969db1981868 100644 --- a/tools/include/linux/bitops.h +++ b/tools/include/linux/bitops.h @@ -61,4 +61,14 @@ static inline unsigned fls_long(unsigned long l) return fls64(l); } +/** + * rol32 - rotate a 32-bit value left + * @word: value to rotate + * @shift: bits to roll + */ +static inline __u32 rol32(__u32 word, unsigned int shift) +{ + return (word << shift) | (word >> ((-shift) & 31)); +} + #endif |