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From: Sinan Kaya <okaya@codeaurora.org>
To: intel-wired-lan@osuosl.org
Subject: [Intel-wired-lan] [PATCH v3 05/18] ixgbevf: keep writel() closer to wmb()
Date: Fri, 16 Mar 2018 12:16:18 -0400	[thread overview]
Message-ID: <1521216991-28706-6-git-send-email-okaya@codeaurora.org> (raw)
In-Reply-To: <1521216991-28706-1-git-send-email-okaya@codeaurora.org>

Remove ixgbevf_write_tail() in favor of moving writel() close to
wmb().

Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
---
 drivers/net/ethernet/intel/ixgbevf/ixgbevf.h      | 5 -----
 drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 4 ++--
 2 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
index f695242..11e893e 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
@@ -244,11 +244,6 @@ static inline u16 ixgbevf_desc_unused(struct ixgbevf_ring *ring)
 	return ((ntc > ntu) ? 0 : ring->count) + ntc - ntu - 1;
 }
 
-static inline void ixgbevf_write_tail(struct ixgbevf_ring *ring, u32 value)
-{
-	writel(value, ring->tail);
-}
-
 #define IXGBEVF_RX_DESC(R, i)	\
 	(&(((union ixgbe_adv_rx_desc *)((R)->desc))[i]))
 #define IXGBEVF_TX_DESC(R, i)	\
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index 9b3d43d..6bf778a 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -659,7 +659,7 @@ static void ixgbevf_alloc_rx_buffers(struct ixgbevf_ring *rx_ring,
 		 * such as IA-64).
 		 */
 		wmb();
-		ixgbevf_write_tail(rx_ring, i);
+		writel(i, rx_ring->tail);
 	}
 }
 
@@ -3644,7 +3644,7 @@ static void ixgbevf_tx_map(struct ixgbevf_ring *tx_ring,
 	tx_ring->next_to_use = i;
 
 	/* notify HW of packet */
-	ixgbevf_write_tail(tx_ring, i);
+	writel(i, tx_ring->tail);
 
 	return;
 dma_error:
-- 
2.7.4


WARNING: multiple messages have this Message-ID (diff)
From: Sinan Kaya <okaya@codeaurora.org>
To: netdev@vger.kernel.org, timur@codeaurora.org, sulrich@codeaurora.org
Cc: linux-arm-msm@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	Sinan Kaya <okaya@codeaurora.org>,
	Jeff Kirsher <jeffrey.t.kirsher@intel.com>,
	intel-wired-lan@lists.osuosl.org, linux-kernel@vger.kernel.org
Subject: [PATCH v3 05/18] ixgbevf: keep writel() closer to wmb()
Date: Fri, 16 Mar 2018 12:16:18 -0400	[thread overview]
Message-ID: <1521216991-28706-6-git-send-email-okaya@codeaurora.org> (raw)
In-Reply-To: <1521216991-28706-1-git-send-email-okaya@codeaurora.org>

Remove ixgbevf_write_tail() in favor of moving writel() close to
wmb().

Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
---
 drivers/net/ethernet/intel/ixgbevf/ixgbevf.h      | 5 -----
 drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 4 ++--
 2 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
index f695242..11e893e 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
@@ -244,11 +244,6 @@ static inline u16 ixgbevf_desc_unused(struct ixgbevf_ring *ring)
 	return ((ntc > ntu) ? 0 : ring->count) + ntc - ntu - 1;
 }
 
-static inline void ixgbevf_write_tail(struct ixgbevf_ring *ring, u32 value)
-{
-	writel(value, ring->tail);
-}
-
 #define IXGBEVF_RX_DESC(R, i)	\
 	(&(((union ixgbe_adv_rx_desc *)((R)->desc))[i]))
 #define IXGBEVF_TX_DESC(R, i)	\
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index 9b3d43d..6bf778a 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -659,7 +659,7 @@ static void ixgbevf_alloc_rx_buffers(struct ixgbevf_ring *rx_ring,
 		 * such as IA-64).
 		 */
 		wmb();
-		ixgbevf_write_tail(rx_ring, i);
+		writel(i, rx_ring->tail);
 	}
 }
 
@@ -3644,7 +3644,7 @@ static void ixgbevf_tx_map(struct ixgbevf_ring *tx_ring,
 	tx_ring->next_to_use = i;
 
 	/* notify HW of packet */
-	ixgbevf_write_tail(tx_ring, i);
+	writel(i, tx_ring->tail);
 
 	return;
 dma_error:
-- 
2.7.4

WARNING: multiple messages have this Message-ID (diff)
From: okaya@codeaurora.org (Sinan Kaya)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 05/18] ixgbevf: keep writel() closer to wmb()
Date: Fri, 16 Mar 2018 12:16:18 -0400	[thread overview]
Message-ID: <1521216991-28706-6-git-send-email-okaya@codeaurora.org> (raw)
In-Reply-To: <1521216991-28706-1-git-send-email-okaya@codeaurora.org>

Remove ixgbevf_write_tail() in favor of moving writel() close to
wmb().

Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
---
 drivers/net/ethernet/intel/ixgbevf/ixgbevf.h      | 5 -----
 drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 4 ++--
 2 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
index f695242..11e893e 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
@@ -244,11 +244,6 @@ static inline u16 ixgbevf_desc_unused(struct ixgbevf_ring *ring)
 	return ((ntc > ntu) ? 0 : ring->count) + ntc - ntu - 1;
 }
 
-static inline void ixgbevf_write_tail(struct ixgbevf_ring *ring, u32 value)
-{
-	writel(value, ring->tail);
-}
-
 #define IXGBEVF_RX_DESC(R, i)	\
 	(&(((union ixgbe_adv_rx_desc *)((R)->desc))[i]))
 #define IXGBEVF_TX_DESC(R, i)	\
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index 9b3d43d..6bf778a 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -659,7 +659,7 @@ static void ixgbevf_alloc_rx_buffers(struct ixgbevf_ring *rx_ring,
 		 * such as IA-64).
 		 */
 		wmb();
-		ixgbevf_write_tail(rx_ring, i);
+		writel(i, rx_ring->tail);
 	}
 }
 
@@ -3644,7 +3644,7 @@ static void ixgbevf_tx_map(struct ixgbevf_ring *tx_ring,
 	tx_ring->next_to_use = i;
 
 	/* notify HW of packet */
-	ixgbevf_write_tail(tx_ring, i);
+	writel(i, tx_ring->tail);
 
 	return;
 dma_error:
-- 
2.7.4

  parent reply	other threads:[~2018-03-16 16:16 UTC|newest]

Thread overview: 87+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-16 16:16 [PATCH v3 00/18] Eliminate duplicate barriers on weakly-ordered archs Sinan Kaya
2018-03-16 16:16 ` Sinan Kaya
2018-03-16 16:16 ` [Intel-wired-lan] [PATCH v3 01/18] i40e/i40evf: " Sinan Kaya
2018-03-16 16:16   ` Sinan Kaya
2018-03-16 16:16   ` Sinan Kaya
2018-03-16 16:16 ` [Intel-wired-lan] [PATCH v3 02/18] ixgbe: eliminate " Sinan Kaya
2018-03-16 16:16   ` Sinan Kaya
2018-03-16 16:16   ` Sinan Kaya
2018-03-16 16:16 ` [Intel-wired-lan] [PATCH v3 03/18] igbvf: " Sinan Kaya
2018-03-16 16:16   ` Sinan Kaya
2018-03-16 16:16   ` Sinan Kaya
2018-03-16 16:16 ` [Intel-wired-lan] [PATCH v3 04/18] igb: " Sinan Kaya
2018-03-16 16:16   ` Sinan Kaya
2018-03-16 16:16   ` Sinan Kaya
2018-03-16 16:16 ` Sinan Kaya [this message]
2018-03-16 16:16   ` [PATCH v3 05/18] ixgbevf: keep writel() closer to wmb() Sinan Kaya
2018-03-16 16:16   ` Sinan Kaya
2018-03-16 16:16 ` [Intel-wired-lan] [PATCH v3 06/18] ixgbevf: eliminate duplicate barriers on weakly-ordered archs Sinan Kaya
2018-03-16 16:16   ` Sinan Kaya
2018-03-16 16:16   ` Sinan Kaya
2018-03-16 16:16 ` [PATCH v3 07/18] drivers: net: cxgb: Eliminate " Sinan Kaya
2018-03-16 16:16   ` Sinan Kaya
2018-03-16 16:16 ` [PATCH v3 08/18] scsi: hpsa: " Sinan Kaya
2018-03-16 16:16   ` Sinan Kaya
2018-03-16 16:16 ` [Intel-wired-lan] [PATCH v3 09/18] fm10k: " Sinan Kaya
2018-03-16 16:16   ` Sinan Kaya
2018-03-16 16:16   ` Sinan Kaya
2018-03-16 16:30   ` [Intel-wired-lan] " Alexander Duyck
2018-03-16 16:30     ` Alexander Duyck
2018-03-16 16:30     ` Alexander Duyck
2018-03-16 16:33     ` Sinan Kaya
2018-03-16 16:33       ` Sinan Kaya
2018-03-16 16:33       ` Sinan Kaya
2018-03-16 16:16 ` [PATCH v3 10/18] net: qla3xxx: " Sinan Kaya
2018-03-16 16:16   ` Sinan Kaya
2018-03-16 16:16 ` [PATCH v3 11/18] qlcnic: " Sinan Kaya
2018-03-16 16:16   ` Sinan Kaya
2018-03-19 20:10   ` Chopra, Manish
2018-03-19 20:10     ` Chopra, Manish
2018-03-16 16:16 ` [PATCH v3 12/18] bnx2x: " Sinan Kaya
2018-03-16 16:16   ` Sinan Kaya
2018-03-16 16:16 ` [PATCH v3 13/18] net: cxgb4/cxgb4vf: " Sinan Kaya
2018-03-16 16:16   ` Sinan Kaya
2018-03-16 16:16 ` [PATCH v3 14/18] net: cxgb3: " Sinan Kaya
2018-03-16 16:16   ` Sinan Kaya
2018-03-16 16:16 ` [PATCH v3 15/18] RDMA/bnxt_re: " Sinan Kaya
2018-03-16 16:16   ` Sinan Kaya
2018-03-16 16:16 ` [PATCH v3 16/18] IB/mlx4: " Sinan Kaya
2018-03-16 16:16   ` Sinan Kaya
2018-03-16 16:16 ` [PATCH v3 17/18] RDMA/i40iw: " Sinan Kaya
2018-03-16 16:16   ` Sinan Kaya
2018-03-16 16:16 ` [PATCH v3 18/18] infiniband: cxgb4: " Sinan Kaya
2018-03-16 16:16   ` Sinan Kaya
2018-03-16 21:05   ` Steve Wise
2018-03-16 21:05     ` Steve Wise
2018-03-16 21:05     ` Steve Wise
2018-03-16 21:46     ` Sinan Kaya
2018-03-16 21:46       ` Sinan Kaya
2018-03-16 23:05       ` Steve Wise
2018-03-16 23:05         ` Steve Wise
2018-03-16 23:05         ` Steve Wise
2018-03-17  3:40         ` Sinan Kaya
2018-03-17  3:40           ` Sinan Kaya
2018-03-17  4:03           ` Sinan Kaya
2018-03-17  4:03             ` Sinan Kaya
2018-03-17  4:25             ` Sinan Kaya
2018-03-17  4:25               ` Sinan Kaya
2018-03-17  4:30               ` Timur Tabi
2018-03-17  4:30                 ` Timur Tabi
2018-03-17 13:23               ` Steve Wise
2018-03-17 13:23                 ` Steve Wise
2018-03-17 13:23                 ` Steve Wise
2018-03-17 13:27               ` David Miller
2018-03-17 13:27                 ` David Miller
2018-03-17 15:05               ` Jason Gunthorpe
2018-03-17 15:05                 ` Jason Gunthorpe
2018-03-17 18:30                 ` Sinan Kaya
2018-03-17 18:30                   ` Sinan Kaya
2018-03-19  1:48                   ` Jason Gunthorpe
2018-03-19  1:48                     ` Jason Gunthorpe
2018-03-16 22:13     ` Jason Gunthorpe
2018-03-16 22:13       ` Jason Gunthorpe
2018-03-16 23:04       ` Steve Wise
2018-03-16 23:04         ` Steve Wise
2018-03-16 23:04         ` Steve Wise
2018-03-17  4:08         ` Timur Tabi
2018-03-17  4:08           ` Timur Tabi

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