On 04/16/2019 12:17 PM, Peter Zijlstra wrote:
> On Tue, Apr 16, 2019 at 06:01:13PM +0200, Peter Zijlstra wrote:
>> @@ -794,34 +770,38 @@ static inline int __down_read_trylock(st
>> */
>> static inline void __down_write(struct rw_semaphore *sem)
>> {
>> -if
On Tue, Apr 16, 2019 at 06:01:13PM +0200, Peter Zijlstra wrote:
> @@ -794,34 +770,38 @@ static inline int __down_read_trylock(st
> */
> static inline void __down_write(struct rw_semaphore *sem)
> {
> - if (unlikely(atomic_long_cmpxchg_acquire(>count, 0,
> -
More cleanups..
---
--- a/kernel/locking/rwsem.c
+++ b/kernel/locking/rwsem.c
@@ -303,7 +303,7 @@ static void __rwsem_mark_wake(struct rw_
list_del(>list);
/*
* Ensure calling get_task_struct() before setting the reader
-* waiter
After merging all the relevant rwsem code into one single file, there
are a number of optimizations and cleanups that can be done:
1) Remove all the EXPORT_SYMBOL() calls for functions that are not
accessed elsewhere.
2) Remove all the __visible tags as none of the functions will be
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