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Date: Sun, 11 Nov 2018 12:04:38 -0800
From: "Paul E. McKenney" <paulmck@...ux.ibm.com>
To: linux-kernel@...r.kernel.org
Cc: mingo@...nel.org, jiangshanlai@...il.com, dipankar@...ibm.com,
akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
josh@...htriplett.org, tglx@...utronix.de, peterz@...radead.org,
rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com,
fweisbec@...il.com, oleg@...hat.com, joel@...lfernandes.org,
Lance Roy <ldr709@...il.com>,
Solarflare linux maintainers <linux-net-drivers@...arflare.com>,
Edward Cree <ecree@...arflare.com>,
Bert Kenward <bkenward@...arflare.com>,
"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
"Paul E . McKenney" <paulmck@...ux.ibm.com>
Subject: [PATCH tip/core/rcu 2/7] sfc: Replace spin_is_locked() with lockdep
From: Lance Roy <ldr709@...il.com>
lockdep_assert_held() is better suited to checking locking requirements,
since it only checks if the current thread holds the lock regardless of
whether someone else does. This is also a step towards possibly removing
spin_is_locked().
Signed-off-by: Lance Roy <ldr709@...il.com>
Cc: Solarflare linux maintainers <linux-net-drivers@...arflare.com>
Cc: Edward Cree <ecree@...arflare.com>
Cc: Bert Kenward <bkenward@...arflare.com>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: <netdev@...r.kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@...ux.ibm.com>
---
drivers/net/ethernet/sfc/efx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index 98fe7e762e17..3643015a55cf 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -3167,7 +3167,7 @@ struct hlist_head *efx_rps_hash_bucket(struct efx_nic *efx,
{
u32 hash = efx_filter_spec_hash(spec);
- WARN_ON(!spin_is_locked(&efx->rps_hash_lock));
+ lockdep_assert_held(&efx->rps_hash_lock);
if (!efx->rps_hash_table)
return NULL;
return &efx->rps_hash_table[hash % EFX_ARFS_HASH_TABLE_SIZE];
--
2.17.1
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