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sfc: use a semaphore to lock farch filters too

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With this change, the spinlock efx->filter_lock is no longer used and is
 thus removed.

Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Edward Cree
2018-03-27 17:42:57 +01:00
committed by David S. Miller
parent c2bebe37c6
commit fc7a6c287f
2 changed files with 33 additions and 36 deletions
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2
drivers/net/ethernet/sfc/net_driver.h
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@@ -844,7 +844,6 @@ struct efx_rss_context {
* @loopback_modes: Supported loopback mode bitmask
* @loopback_selftest: Offline self-test private state
* @filter_sem: Filter table rw_semaphore, protects existence of @filter_state
* @filter_lock: Filter table lock, for mere content changes
* @filter_state: Architecture-dependent filter table state
* @rps_mutex: Protects RPS state of all channels
* @rps_expire_channel: Next channel to check for expiry
@@ -998,7 +997,6 @@ struct efx_nic {
void *loopback_selftest;
struct rw_semaphore filter_sem;
spinlock_t filter_lock;
void *filter_state;
#ifdef CONFIG_RFS_ACCEL
struct mutex rps_mutex;