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Message-Id: <1382458346-24811-11-git-send-email-andi@firstfloor.org>
Date: Tue, 22 Oct 2013 09:12:25 -0700
From: Andi Kleen <andi@...stfloor.org>
To: akpm@...ux-foundation.org
Cc: linux-kernel@...r.kernel.org, Andi Kleen <ak@...ux.intel.com>
Subject: [PATCH 10/11] asmlinkage: Mark rwsem functions that can be called from assembler asmlinkage
From: Andi Kleen <ak@...ux.intel.com>
Signed-off-by: Andi Kleen <ak@...ux.intel.com>
---
lib/rwsem.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/lib/rwsem.c b/lib/rwsem.c
index 19c5fa9..1d66e08 100644
--- a/lib/rwsem.c
+++ b/lib/rwsem.c
@@ -143,6 +143,7 @@ __rwsem_do_wake(struct rw_semaphore *sem, enum rwsem_wake_type wake_type)
/*
* wait for the read lock to be granted
*/
+__visible
struct rw_semaphore __sched *rwsem_down_read_failed(struct rw_semaphore *sem)
{
long count, adjustment = -RWSEM_ACTIVE_READ_BIAS;
@@ -190,6 +191,7 @@ struct rw_semaphore __sched *rwsem_down_read_failed(struct rw_semaphore *sem)
/*
* wait until we successfully acquire the write lock
*/
+__visible
struct rw_semaphore __sched *rwsem_down_write_failed(struct rw_semaphore *sem)
{
long count, adjustment = -RWSEM_ACTIVE_WRITE_BIAS;
@@ -252,6 +254,7 @@ struct rw_semaphore __sched *rwsem_down_write_failed(struct rw_semaphore *sem)
* handle waking up a waiter on the semaphore
* - up_read/up_write has decremented the active part of count if we come here
*/
+__visible
struct rw_semaphore *rwsem_wake(struct rw_semaphore *sem)
{
unsigned long flags;
@@ -272,6 +275,7 @@ struct rw_semaphore *rwsem_wake(struct rw_semaphore *sem)
* - caller incremented waiting part of count and discovered it still negative
* - just wake up any readers at the front of the queue
*/
+__visible
struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem)
{
unsigned long flags;
--
1.8.3.1
--
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