netdev - [PATCH v2 net-next 01/11] net: ena: Remove an unused field

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20240130095353.2881-2-darinzon@amazon.com>
Date: Tue, 30 Jan 2024 09:53:43 +0000
From: <darinzon@...zon.com>
To: "Nelson, Shannon" <shannon.nelson@....com>, David Miller
	<davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>,
	<netdev@...r.kernel.org>
CC: David Arinzon <darinzon@...zon.com>, "Woodhouse, David" <dwmw@...zon.com>,
	"Machulsky, Zorik" <zorik@...zon.com>, "Matushevsky, Alexander"
	<matua@...zon.com>, Saeed Bshara <saeedb@...zon.com>, "Wilson, Matt"
	<msw@...zon.com>, "Liguori, Anthony" <aliguori@...zon.com>, "Bshara, Nafea"
	<nafea@...zon.com>, "Belgazal, Netanel" <netanel@...zon.com>, "Saidi, Ali"
	<alisaidi@...zon.com>, "Herrenschmidt, Benjamin" <benh@...zon.com>,
	"Kiyanovski, Arthur" <akiyano@...zon.com>, "Dagan, Noam" <ndagan@...zon.com>,
	"Agroskin, Shay" <shayagr@...zon.com>, "Itzko, Shahar" <itzko@...zon.com>,
	"Abboud, Osama" <osamaabb@...zon.com>, "Ostrovsky, Evgeny"
	<evostrov@...zon.com>, "Tabachnik, Ofir" <ofirt@...zon.com>, "Koler, Nati"
	<nkoler@...zon.com>
Subject: [PATCH v2 net-next 01/11] net: ena: Remove an unused field

From: David Arinzon <darinzon@...zon.com>

Remove io_sq->header_addr field because it is no longer
in use.
LLQ was updated to support a bounce buffer so there is
no need in saving the header address of the sq.

Signed-off-by: Nati Koler <nkoler@...zon.com>
Signed-off-by: David Arinzon <darinzon@...zon.com>
---
 drivers/net/ethernet/amazon/ena/ena_com.c | 3 ---
 drivers/net/ethernet/amazon/ena/ena_com.h | 1 -
 2 files changed, 4 deletions(-)

diff --git a/drivers/net/ethernet/amazon/ena/ena_com.c b/drivers/net/ethernet/amazon/ena/ena_com.c
index 633b321..9a8a43b 100644
--- a/drivers/net/ethernet/amazon/ena/ena_com.c
+++ b/drivers/net/ethernet/amazon/ena/ena_com.c
@@ -1284,9 +1284,6 @@ static int ena_com_create_io_sq(struct ena_com_dev *ena_dev,
 		(uintptr_t)cmd_completion.sq_doorbell_offset);
 
 	if (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV) {
-		io_sq->header_addr = (u8 __iomem *)((uintptr_t)ena_dev->mem_bar
-				+ cmd_completion.llq_headers_offset);
-
 		io_sq->desc_addr.pbuf_dev_addr =
 			(u8 __iomem *)((uintptr_t)ena_dev->mem_bar +
 			cmd_completion.llq_descriptors_offset);
diff --git a/drivers/net/ethernet/amazon/ena/ena_com.h b/drivers/net/ethernet/amazon/ena/ena_com.h
index 3c5081d..f3176fc 100644
--- a/drivers/net/ethernet/amazon/ena/ena_com.h
+++ b/drivers/net/ethernet/amazon/ena/ena_com.h
@@ -158,7 +158,6 @@ struct ena_com_io_sq {
 	struct ena_com_io_desc_addr desc_addr;
 
 	u32 __iomem *db_addr;
-	u8 __iomem *header_addr;
 
 	enum queue_direction direction;
 	enum ena_admin_placement_policy_type mem_queue_type;
-- 
2.40.1