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authorSebastian Andrzej Siewior <bigeasy@linutronix.de>2013-04-08 14:08:46 (GMT)
committerScott Wood <scottwood@freescale.com>2014-05-14 18:38:27 (GMT)
commit89c3e78c353a62a12c873f0fe7073e58b79a1636 (patch)
tree44c9c0da7c16b6bdaf6f4f4f2071ede5b4edc483 /lib
parentcc93f240bdb4a9db73f8407fdc201fef75681332 (diff)
downloadlinux-fsl-qoriq-89c3e78c353a62a12c873f0fe7073e58b79a1636.tar.xz
percpu-rwsem: compile fix
The shortcut on mainline skip lockdep. No idea why this is a good thing. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Diffstat (limited to 'lib')
-rw-r--r--lib/percpu-rwsem.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/percpu-rwsem.c b/lib/percpu-rwsem.c
index 652a8ee..2db0f42 100644
--- a/lib/percpu-rwsem.c
+++ b/lib/percpu-rwsem.c
@@ -84,8 +84,12 @@ void percpu_down_read(struct percpu_rw_semaphore *brw)
down_read(&brw->rw_sem);
atomic_inc(&brw->slow_read_ctr);
+#ifdef CONFIG_PREEMPT_RT_FULL
+ up_read(&brw->rw_sem);
+#else
/* avoid up_read()->rwsem_release() */
__up_read(&brw->rw_sem);
+#endif
}
void percpu_up_read(struct percpu_rw_semaphore *brw)