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Merge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu

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Pull RCU updates from Paul E. McKenney:

 - Removal of spin_unlock_wait()
 - SRCU updates
 - Torture-test updates
 - Documentation updates
 - Miscellaneous fixes
 - CPU-hotplug fixes
 - Miscellaneous non-RCU fixes

Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar
2017-08-21 09:45:19 +02:00
parent d5da6457bf 656e7c0c0a
commit 94edf6f3c2
84 changed files with 1212 additions and 1317 deletions
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16
arch/arm/include/asm/spinlock.h
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@@ -52,22 +52,6 @@ static inline void dsb_sev(void)
* memory.
*/
static inline void arch_spin_unlock_wait(arch_spinlock_t *lock)
{
u16 owner = READ_ONCE(lock->tickets.owner);
for (;;) {
arch_spinlock_t tmp = READ_ONCE(*lock);
if (tmp.tickets.owner == tmp.tickets.next ||
tmp.tickets.owner != owner)
break;
wfe();
}
smp_acquire__after_ctrl_dep();
}
#define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock)
static inline void arch_spin_lock(arch_spinlock_t *lock)