[PATCH] revocable: Remove redundant synchronize_srcu() call

[Tzung-Bi Shih]

When allocating a revocable provider via revocable_provider_alloc(),
there is no revocable consumers (i.e., RCU readers) yet.  Remove the
redundant synchronize_srcu() call to save cycles.

Signed-off-by: Tzung-Bi Shih <tzungbi@xxxxxxxxxx>
---
To address the performance impact reported in
https://lore.kernel.org/linux-gpio/CAMRc=McrFa42mNWmZtD1HKKKZ+USUKpQAAME50wbfxPM7L72gA@xxxxxxxxxxxxxx/.

 drivers/base/revocable.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/base/revocable.c b/drivers/base/revocable.c
index f6cece275aac..b068e18a847d 100644
--- a/drivers/base/revocable.c
+++ b/drivers/base/revocable.c
@@ -99,7 +99,6 @@ struct revocable_provider *revocable_provider_alloc(void *res)
 
 	init_srcu_struct(&rp->srcu);
 	rcu_assign_pointer(rp->res, res);
-	synchronize_srcu(&rp->srcu);
 	kref_init(&rp->kref);
 
 	return rp;
-- 
2.52.0.457.g6b5491de43-goog