diff options
| -rw-r--r-- | arch/tile/include/asm/cacheflush.h | 18 | ||||
| -rw-r--r-- | drivers/net/tile/tilepro.c | 8 |
2 files changed, 15 insertions, 11 deletions
diff --git a/arch/tile/include/asm/cacheflush.h b/arch/tile/include/asm/cacheflush.h index 12fb0fb330ee..e925f4bb498f 100644 --- a/arch/tile/include/asm/cacheflush.h +++ b/arch/tile/include/asm/cacheflush.h @@ -116,22 +116,28 @@ static inline void __finv_buffer(void *buffer, size_t size) } -/* Invalidate a VA range, then memory fence. */ +/* Invalidate a VA range and wait for it to be complete. */ static inline void inv_buffer(void *buffer, size_t size) { __inv_buffer(buffer, size); - mb_incoherent(); + mb(); } -/* Flush a VA range, then memory fence. */ -static inline void flush_buffer(void *buffer, size_t size) +/* + * Flush a locally-homecached VA range and wait for the evicted + * cachelines to hit memory. + */ +static inline void flush_buffer_local(void *buffer, size_t size) { __flush_buffer(buffer, size); mb_incoherent(); } -/* Flush & invalidate a VA range, then memory fence. */ -static inline void finv_buffer(void *buffer, size_t size) +/* + * Flush and invalidate a locally-homecached VA range and wait for the + * evicted cachelines to hit memory. + */ +static inline void finv_buffer_local(void *buffer, size_t size) { __finv_buffer(buffer, size); mb_incoherent(); diff --git a/drivers/net/tile/tilepro.c b/drivers/net/tile/tilepro.c index 0825db6d883f..314f7e79c640 100644 --- a/drivers/net/tile/tilepro.c +++ b/drivers/net/tile/tilepro.c @@ -1658,11 +1658,9 @@ static int tile_net_stop(struct net_device *dev) while (tile_net_lepp_free_comps(dev, true)) /* loop */; - /* Wipe the EPP queue. */ + /* Wipe the EPP queue, and wait till the stores hit the EPP. */ memset(priv->eq, 0, sizeof(lepp_queue_t)); - - /* Evict the EPP queue. */ - finv_buffer(priv->eq, EQ_SIZE); + mb(); return 0; } @@ -2398,7 +2396,7 @@ static void tile_net_cleanup(void) struct net_device *dev = tile_net_devs[i]; struct tile_net_priv *priv = netdev_priv(dev); unregister_netdev(dev); - finv_buffer(priv->eq, EQ_SIZE); + finv_buffer_remote(priv->eq, EQ_SIZE, 0); __free_pages(priv->eq_pages, EQ_ORDER); free_netdev(dev); } |