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From: Vladimir Oltean <olteanv@gmail.com>
To: Jakub Kicinski <kuba@kernel.org>,
	"David S. Miller" <davem@davemloft.net>
Cc: Ivan Vecera <ivecera@redhat.com>, Andrew Lunn <andrew@lunn.ch>,
	Alexandre Belloni <alexandre.belloni@bootlin.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Jiri Pirko <jiri@resnulli.us>, Vadym Kochan <vkochan@marvell.com>,
	netdev@vger.kernel.org, bridge@lists.linux-foundation.org,
	Ioana Ciornei <ioana.ciornei@nxp.com>,
	linux-kernel@vger.kernel.org, UNGLinuxDriver@microchip.com,
	Taras Chornyi <tchornyi@marvell.com>,
	Ido Schimmel <idosch@idosch.org>,
	Claudiu Manoil <claudiu.manoil@nxp.com>,
	Grygorii Strashko <grygorii.strashko@ti.com>,
	Nikolay Aleksandrov <nikolay@nvidia.com>,
	Roopa Prabhu <roopa@nvidia.com>,
	linux-omap@vger.kernel.org,
	Vivien Didelot <vivien.didelot@gmail.com>
Subject: [Bridge] [PATCH v2 net-next 08/11] net: bridge: put SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS on the blocking call chain
Date: Tue,  9 Feb 2021 17:19:33 +0200	[thread overview]
Message-ID: <20210209151936.97382-9-olteanv@gmail.com> (raw)
In-Reply-To: <20210209151936.97382-1-olteanv@gmail.com>

From: Vladimir Oltean <vladimir.oltean@nxp.com>

Now that br_switchdev_set_port_flag is never called from under br->lock,
it runs in sleepable context.

All switchdev drivers handle SWITCHDEV_PORT_ATTR_SET as both blocking
and atomic, so no changes are needed on that front.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
---
Changes in v2:
Patch is new.

 net/bridge/br_switchdev.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/net/bridge/br_switchdev.c b/net/bridge/br_switchdev.c
index bc63b10b2e67..3b152f2cd9b5 100644
--- a/net/bridge/br_switchdev.c
+++ b/net/bridge/br_switchdev.c
@@ -79,9 +79,8 @@ int br_switchdev_set_port_flag(struct net_bridge_port *p,
 	attr.u.brport_flags.val = flags;
 	attr.u.brport_flags.mask = mask;
 
-	/* We run from atomic context here */
-	err = call_switchdev_notifiers(SWITCHDEV_PORT_ATTR_SET, p->dev,
-				       &info.info, extack);
+	err = call_switchdev_blocking_notifiers(SWITCHDEV_PORT_ATTR_SET, p->dev,
+						&info.info, extack);
 	err = notifier_to_errno(err);
 	if (err == -EOPNOTSUPP)
 		return 0;
-- 
2.25.1


WARNING: multiple messages have this Message-ID (diff)
From: Vladimir Oltean <olteanv@gmail.com>
To: Jakub Kicinski <kuba@kernel.org>,
	"David S. Miller" <davem@davemloft.net>
Cc: Andrew Lunn <andrew@lunn.ch>,
	Vivien Didelot <vivien.didelot@gmail.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	bridge@lists.linux-foundation.org,
	Roopa Prabhu <roopa@nvidia.com>,
	Nikolay Aleksandrov <nikolay@nvidia.com>,
	Jiri Pirko <jiri@resnulli.us>, Ido Schimmel <idosch@idosch.org>,
	Claudiu Manoil <claudiu.manoil@nxp.com>,
	Alexandre Belloni <alexandre.belloni@bootlin.com>,
	UNGLinuxDriver@microchip.com, Vadym Kochan <vkochan@marvell.com>,
	Taras Chornyi <tchornyi@marvell.com>,
	Grygorii Strashko <grygorii.strashko@ti.com>,
	Ioana Ciornei <ioana.ciornei@nxp.com>,
	Ivan Vecera <ivecera@redhat.com>,
	linux-omap@vger.kernel.org
Subject: [PATCH v2 net-next 08/11] net: bridge: put SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS on the blocking call chain
Date: Tue,  9 Feb 2021 17:19:33 +0200	[thread overview]
Message-ID: <20210209151936.97382-9-olteanv@gmail.com> (raw)
In-Reply-To: <20210209151936.97382-1-olteanv@gmail.com>

From: Vladimir Oltean <vladimir.oltean@nxp.com>

Now that br_switchdev_set_port_flag is never called from under br->lock,
it runs in sleepable context.

All switchdev drivers handle SWITCHDEV_PORT_ATTR_SET as both blocking
and atomic, so no changes are needed on that front.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
---
Changes in v2:
Patch is new.

 net/bridge/br_switchdev.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/net/bridge/br_switchdev.c b/net/bridge/br_switchdev.c
index bc63b10b2e67..3b152f2cd9b5 100644
--- a/net/bridge/br_switchdev.c
+++ b/net/bridge/br_switchdev.c
@@ -79,9 +79,8 @@ int br_switchdev_set_port_flag(struct net_bridge_port *p,
 	attr.u.brport_flags.val = flags;
 	attr.u.brport_flags.mask = mask;
 
-	/* We run from atomic context here */
-	err = call_switchdev_notifiers(SWITCHDEV_PORT_ATTR_SET, p->dev,
-				       &info.info, extack);
+	err = call_switchdev_blocking_notifiers(SWITCHDEV_PORT_ATTR_SET, p->dev,
+						&info.info, extack);
 	err = notifier_to_errno(err);
 	if (err == -EOPNOTSUPP)
 		return 0;
-- 
2.25.1


  parent reply	other threads:[~2021-02-09 15:19 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-09 15:19 [PATCH v2 net-next 00/11] Cleanup in brport flags switchdev offload for DSA Vladimir Oltean
2021-02-09 15:19 ` [PATCH v2 net-next 01/11] net: switchdev: propagate extack to port attributes Vladimir Oltean
2021-02-09 18:00   ` [Bridge] " Ido Schimmel
2021-02-09 18:00     ` Ido Schimmel
2021-02-09 15:19 ` [Bridge] [PATCH v2 net-next 02/11] net: bridge: offload all port flags at once in br_setport Vladimir Oltean
2021-02-09 15:19   ` Vladimir Oltean
2021-02-09 18:27   ` [Bridge] " Vladimir Oltean
2021-02-09 18:27     ` Vladimir Oltean
2021-02-09 18:36     ` [Bridge] " Vladimir Oltean
2021-02-09 18:36       ` Vladimir Oltean
2021-02-09 15:19 ` [PATCH v2 net-next 03/11] net: bridge: don't print in br_switchdev_set_port_flag Vladimir Oltean
2021-02-09 17:36   ` [Bridge] " Vladimir Oltean
2021-02-09 17:36     ` Vladimir Oltean
2021-02-09 18:26     ` [Bridge] " Ido Schimmel
2021-02-09 18:26       ` Ido Schimmel
2021-02-09 15:19 ` [Bridge] [PATCH v2 net-next 04/11] net: bridge: offload initial and final port flags through switchdev Vladimir Oltean
2021-02-09 15:19   ` Vladimir Oltean
2021-02-09 18:51   ` [Bridge] " Ido Schimmel
2021-02-09 18:51     ` Ido Schimmel
2021-02-09 20:20     ` [Bridge] " Vladimir Oltean
2021-02-09 20:20       ` Vladimir Oltean
2021-02-09 22:01       ` [Bridge] " Ido Schimmel
2021-02-09 22:01         ` Ido Schimmel
2021-02-09 22:51         ` [Bridge] " Vladimir Oltean
2021-02-09 22:51           ` Vladimir Oltean
2021-02-10 10:59           ` [Bridge] " Ido Schimmel
2021-02-10 10:59             ` Ido Schimmel
2021-02-10 23:23             ` [Bridge] " Vladimir Oltean
2021-02-10 23:23               ` Vladimir Oltean
2021-02-11  7:44               ` [Bridge] " Ido Schimmel
2021-02-11  7:44                 ` Ido Schimmel
2021-02-11  9:35                 ` [Bridge] " Vladimir Oltean
2021-02-11  9:35                   ` Vladimir Oltean
2021-02-11 22:20                   ` [Bridge] " Ido Schimmel
2021-02-11 22:20                     ` Ido Schimmel
2021-02-09 15:19 ` [Bridge] [PATCH v2 net-next 05/11] net: dsa: stop setting initial and final brport flags Vladimir Oltean
2021-02-09 15:19   ` Vladimir Oltean
2021-02-09 15:19 ` [Bridge] [PATCH v2 net-next 06/11] net: squash switchdev attributes PRE_BRIDGE_FLAGS and BRIDGE_FLAGS Vladimir Oltean
2021-02-09 15:19   ` Vladimir Oltean
2021-02-09 15:19 ` [Bridge] [PATCH v2 net-next 07/11] net: dsa: kill .port_egress_floods overengineering Vladimir Oltean
2021-02-09 15:19   ` Vladimir Oltean
2021-02-09 20:37   ` [Bridge] " Vladimir Oltean
2021-02-09 20:37     ` Vladimir Oltean
2021-02-09 21:29     ` [Bridge] " Florian Fainelli
2021-02-09 21:29       ` Florian Fainelli
2021-02-09 15:19 ` Vladimir Oltean [this message]
2021-02-09 15:19   ` [PATCH v2 net-next 08/11] net: bridge: put SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS on the blocking call chain Vladimir Oltean
2021-02-09 15:19 ` [PATCH v2 net-next 09/11] net: mscc: ocelot: use separate flooding PGID for broadcast Vladimir Oltean
2021-02-09 15:19 ` [PATCH v2 net-next 10/11] net: mscc: ocelot: offload bridge port flags to device Vladimir Oltean
2021-02-09 15:19 ` [PATCH v2 net-next 11/11] net: dsa: sja1105: " Vladimir Oltean

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