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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2016-12-04 16:36:04 +0300 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2017-09-28 08:29:44 +0300 |
| commit | 8153380379ecc8381f6d55f6497de31a36c75aa5 (patch) | |
| tree | 37dd4e46216cd29ebcecd564cfb9f29e58fcb801 /arch/s390/include/asm/spinlock.h | |
| parent | 1887aa07b6765d345dd79f26017aa2d15d49d7af (diff) | |
| download | linux-8153380379ecc8381f6d55f6497de31a36c75aa5.tar.xz | |
s390/spinlock: use the cpu number +1 as spinlock value
The queued spinlock code will come out simpler if the encoding of
the CPU that holds the spinlock is (cpu+1) instead of (~cpu).
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/spinlock.h')
| -rw-r--r-- | arch/s390/include/asm/spinlock.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h index 8182b521c42f..6727cc30d59b 100644 --- a/arch/s390/include/asm/spinlock.h +++ b/arch/s390/include/asm/spinlock.h @@ -48,7 +48,7 @@ static inline void arch_spin_relax(arch_spinlock_t *lock) static inline u32 arch_spin_lockval(int cpu) { - return ~cpu; + return cpu + 1; } static inline int arch_spin_value_unlocked(arch_spinlock_t lock) |