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From: Jason Gunthorpe <jgg@nvidia.com>
To: Alexander Gordeev <agordeev@linux.ibm.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Christian Borntraeger <borntraeger@linux.ibm.com>,
	Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Gerald Schaefer <gerald.schaefer@linux.ibm.com>,
	Vasily Gorbik <gor@linux.ibm.com>,
	Heiko Carstens <hca@linux.ibm.com>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Justin Stitt <justinstitt@google.com>,
	Jakub Kicinski <kuba@kernel.org>,
	Leon Romanovsky <leon@kernel.org>,
	linux-rdma@vger.kernel.org, linux-s390@vger.kernel.org,
	llvm@lists.linux.dev, Ingo Molnar <mingo@redhat.com>,
	Bill Wendling <morbo@google.com>,
	Nathan Chancellor <nathan@kernel.org>,
	Nick Desaulniers <ndesaulniers@google.com>,
	netdev@vger.kernel.org, Paolo Abeni <pabeni@redhat.com>,
	Salil Mehta <salil.mehta@huawei.com>,
	Jijie Shao <shaojijie@huawei.com>,
	Sven Schnelle <svens@linux.ibm.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	x86@kernel.org, Yisen Zhuang <yisen.zhuang@huawei.com>
Cc: Arnd Bergmann <arnd@arndb.de>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Leon Romanovsky <leonro@mellanox.com>,
	linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	Mark Rutland <mark.rutland@arm.com>,
	Michael Guralnik <michaelgur@mellanox.com>,
	patches@lists.linux.dev, Niklas Schnelle <schnelle@linux.ibm.com>,
	Will Deacon <will@kernel.org>
Subject: [PATCH 5/6] net: hns3: Remove io_stop_wc() calls after __iowrite64_copy()
Date: Tue, 20 Feb 2024 21:17:09 -0400	[thread overview]
Message-ID: <5-v1-38290193eace+5-mlx5_arm_wc_jgg@nvidia.com> (raw)
In-Reply-To: <0-v1-38290193eace+5-mlx5_arm_wc_jgg@nvidia.com>

Now that the ARM64 arch implementation does the DGH as part of
__iowrite64_copy() there is no reason to open code this in drivers.

Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index f1695c889d3a07..ff556c2b5bacb4 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -2068,8 +2068,6 @@ static void hns3_tx_push_bd(struct hns3_enet_ring *ring, int num)
 	__iowrite64_copy(ring->tqp->mem_base, desc,
 			 (sizeof(struct hns3_desc) * HNS3_MAX_PUSH_BD_NUM) /
 			 HNS3_BYTES_PER_64BIT);
-
-	io_stop_wc();
 }
 
 static void hns3_tx_mem_doorbell(struct hns3_enet_ring *ring)
@@ -2088,8 +2086,6 @@ static void hns3_tx_mem_doorbell(struct hns3_enet_ring *ring)
 	u64_stats_update_begin(&ring->syncp);
 	ring->stats.tx_mem_doorbell += ring->pending_buf;
 	u64_stats_update_end(&ring->syncp);
-
-	io_stop_wc();
 }
 
 static void hns3_tx_doorbell(struct hns3_enet_ring *ring, int num,
-- 
2.43.2


  parent reply	other threads:[~2024-02-21  1:17 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-21  1:17 [PATCH 0/6] Fix mlx5 write combining support on new ARM64 cores Jason Gunthorpe
2024-02-21  1:17 ` [PATCH 1/6] x86: Stop using weak symbols for __iowrite32_copy() Jason Gunthorpe
2024-02-21  1:17 ` [PATCH 2/6] s390: Implement __iowrite32_copy() Jason Gunthorpe
2024-02-21  1:17 ` [PATCH 3/6] s390: Stop using weak symbols for __iowrite64_copy() Jason Gunthorpe
2024-02-21  1:17 ` [PATCH 4/6] arm64/io: Provide a WC friendly __iowriteXX_copy() Jason Gunthorpe
2024-02-21 19:22   ` Will Deacon
2024-02-21 23:28     ` Jason Gunthorpe
2024-02-22 22:05   ` David Laight
2024-02-22 22:36     ` Jason Gunthorpe
2024-02-23  9:07       ` David Laight
2024-02-23 11:01         ` Niklas Schnelle
2024-02-23 11:05           ` David Laight
2024-02-23 12:53             ` Jason Gunthorpe
2024-02-23 11:38         ` Niklas Schnelle
2024-02-23 12:19           ` David Laight
2024-02-23 13:03             ` Jason Gunthorpe
2024-02-23 13:52               ` David Laight
2024-02-23 14:44                 ` Jason Gunthorpe
2024-02-23 12:58           ` Jason Gunthorpe
2024-02-23 16:35             ` Niklas Schnelle
2024-02-23 17:05               ` Jason Gunthorpe
2024-02-27 10:37   ` Catalin Marinas
2024-02-28 23:06     ` Jason Gunthorpe
2024-02-29 10:24       ` Catalin Marinas
2024-02-29 13:28         ` Jason Gunthorpe
2024-02-29 10:33   ` Catalin Marinas
2024-02-29 13:29     ` Jason Gunthorpe
2024-03-01 18:52   ` Catalin Marinas
2024-02-21  1:17 ` Jason Gunthorpe [this message]
2024-02-22  0:57   ` [PATCH 5/6] net: hns3: Remove io_stop_wc() calls after __iowrite64_copy() Jijie Shao
2024-02-21  1:17 ` [PATCH 6/6] IB/mlx5: Use __iowrite64_copy() for write combining stores Jason Gunthorpe

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