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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-04 18:13:52 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-04 18:13:52 +0300 |
| commit | 0081a0ce809b611c1f37da5d6ae5bc8027ffd1c4 (patch) | |
| tree | 600b4fc3b74d5142fe4a2c2f72d934e6204ca432 /arch/s390 | |
| parent | fea1543760351e10e9c573ddf8861c2f23f5b866 (diff) | |
| parent | 94edf6f3c20c9c8ee301bde04150a91bab4bf32c (diff) | |
| download | linux-0081a0ce809b611c1f37da5d6ae5bc8027ffd1c4.tar.xz | |
Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU updates from Ingo Molnad:
"The main RCU related changes in this cycle were:
- Removal of spin_unlock_wait()
- SRCU updates
- RCU torture-test updates
- RCU Documentation updates
- Extend the sys_membarrier() ABI with the MEMBARRIER_CMD_PRIVATE_EXPEDITED variant
- Miscellaneous RCU fixes
- CPU-hotplug fixes"
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (63 commits)
arch: Remove spin_unlock_wait() arch-specific definitions
locking: Remove spin_unlock_wait() generic definitions
drivers/ata: Replace spin_unlock_wait() with lock/unlock pair
ipc: Replace spin_unlock_wait() with lock/unlock pair
exit: Replace spin_unlock_wait() with lock/unlock pair
completion: Replace spin_unlock_wait() with lock/unlock pair
doc: Set down RCU's scheduling-clock-interrupt needs
doc: No longer allowed to use rcu_dereference on non-pointers
doc: Add RCU files to docbook-generation files
doc: Update memory-barriers.txt for read-to-write dependencies
doc: Update RCU documentation
membarrier: Provide expedited private command
rcu: Remove exports from rcu_idle_exit() and rcu_idle_enter()
rcu: Add warning to rcu_idle_enter() for irqs enabled
rcu: Make rcu_idle_enter() rely on callers disabling irqs
rcu: Add assertions verifying blocked-tasks list
rcu/tracing: Set disable_rcu_irq_enter on rcu_eqs_exit()
rcu: Add TPS() protection for _rcu_barrier_trace strings
rcu: Use idle versions of swait to make idle-hack clear
swait: Add idle variants which don't contribute to load average
...
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/include/asm/spinlock.h | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h index f7838ecd83c6..217ee5210c32 100644 --- a/arch/s390/include/asm/spinlock.h +++ b/arch/s390/include/asm/spinlock.h @@ -98,13 +98,6 @@ static inline void arch_spin_unlock(arch_spinlock_t *lp) : "cc", "memory"); } -static inline void arch_spin_unlock_wait(arch_spinlock_t *lock) -{ - while (arch_spin_is_locked(lock)) - arch_spin_relax(lock); - smp_acquire__after_ctrl_dep(); -} - /* * Read-write spinlocks, allowing multiple readers * but only one writer. |