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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-12 09:20:47 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-12 09:20:47 +0300 |
| commit | 7bf1e44f865523aa16e0eb340a82d643da9215b5 (patch) | |
| tree | 1ddb344169d39413053057d888edbb18dfeed880 /kernel/rcu/srcu.c | |
| parent | e5770b7bdbfe9f23bb75a7d5a88c1f5e18e20738 (diff) | |
| parent | 32c1431eea4881a6b17bd7c639315010aeefa452 (diff) | |
| download | linux-7bf1e44f865523aa16e0eb340a82d643da9215b5.tar.xz | |
Merge 4.12-rc5 into staging-next
We want the IIO fixes and other staging driver fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/rcu/srcu.c')
| -rw-r--r-- | kernel/rcu/srcu.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/kernel/rcu/srcu.c b/kernel/rcu/srcu.c index 584d8a983883..dea03614263f 100644 --- a/kernel/rcu/srcu.c +++ b/kernel/rcu/srcu.c @@ -263,7 +263,7 @@ EXPORT_SYMBOL_GPL(cleanup_srcu_struct); /* * Counts the new reader in the appropriate per-CPU element of the - * srcu_struct. Must be called from process context. + * srcu_struct. * Returns an index that must be passed to the matching srcu_read_unlock(). */ int __srcu_read_lock(struct srcu_struct *sp) @@ -271,7 +271,7 @@ int __srcu_read_lock(struct srcu_struct *sp) int idx; idx = READ_ONCE(sp->completed) & 0x1; - __this_cpu_inc(sp->per_cpu_ref->lock_count[idx]); + this_cpu_inc(sp->per_cpu_ref->lock_count[idx]); smp_mb(); /* B */ /* Avoid leaking the critical section. */ return idx; } @@ -281,7 +281,6 @@ EXPORT_SYMBOL_GPL(__srcu_read_lock); * Removes the count for the old reader from the appropriate per-CPU * element of the srcu_struct. Note that this may well be a different * CPU than that which was incremented by the corresponding srcu_read_lock(). - * Must be called from process context. */ void __srcu_read_unlock(struct srcu_struct *sp, int idx) { |