From: Saeed Mahameed <saeed@kernel.org>
To: "David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Eric Dumazet <edumazet@google.com>,
Jason Gunthorpe <jgg@nvidia.com>
Cc: Saeed Mahameed <saeedm@nvidia.com>,
linux-rdma@vger.kernel.org, Leon Romanovsky <leonro@nvidia.com>,
netdev@vger.kernel.org
Subject: pull-request: mlx5-next netdev notifier deadlock 2023-02-07
Date: Tue, 7 Feb 2023 16:56:26 -0800 [thread overview]
Message-ID: <20230208005626.72930-1-saeed@kernel.org> (raw)
The following changes since commit b7bfaa761d760e72a969d116517eaa12e404c262:
Linux 6.2-rc3 (2023-01-08 11:49:43 -0600)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux.git tags/mlx5-next-netdev-deadlock
for you to fetch changes up to e630cb2daadd965933f1870dd65efc942d266210:
RDMA/mlx5: Track netdev to avoid deadlock during netdev notifier unregister (2023-02-07 16:39:09 -0800)
----------------------------------------------------------------
mlx5-next-netdev-deadlock
This series from Jiri solves a deadlock when removing a network namespace
with mlx5 devlink instance being in it.
The deadlock is between:
1) mlx5_ib->unregister_netdevice_notifier()
AND
2) mlx5_core->devlink_reload->cleanup_net()
To slove this introduced mlx5 netdev added/removed events to track uplink
netdev to be used for register_netdevice_notifier_dev_net() purposes.
----------------------------------------------------------------
Jiri Pirko (3):
net/mlx5e: Fix trap event handling
net/mlx5e: Propagate an internal event in case uplink netdev changes
RDMA/mlx5: Track netdev to avoid deadlock during netdev notifier unregister
Patrisious Haddad (1):
net/mlx5: Introduce CQE error syndrome
drivers/infiniband/hw/mlx5/main.c | 78 +++++++++++++++-------
drivers/infiniband/hw/mlx5/mlx5_ib.h | 3 +
drivers/net/ethernet/mellanox/mlx5/core/devlink.c | 24 +++----
drivers/net/ethernet/mellanox/mlx5/core/devlink.h | 5 ++
drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 15 +++--
drivers/net/ethernet/mellanox/mlx5/core/events.c | 2 +
drivers/net/ethernet/mellanox/mlx5/core/lib/mlx5.h | 5 --
drivers/net/ethernet/mellanox/mlx5/core/main.c | 20 ++++++
include/linux/mlx5/device.h | 1 +
include/linux/mlx5/driver.h | 5 ++
include/linux/mlx5/mlx5_ifc.h | 47 +++++++++++--
11 files changed, 154 insertions(+), 51 deletions(-)
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index c669ef6e47e7..dc32e4518a28 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -3012,26 +3012,63 @@ static void mlx5_eth_lag_cleanup(struct mlx5_ib_dev *dev)
}
}
-static int mlx5_add_netdev_notifier(struct mlx5_ib_dev *dev, u32 port_num)
+static void mlx5_netdev_notifier_register(struct mlx5_roce *roce,
+ struct net_device *netdev)
{
int err;
- dev->port[port_num].roce.nb.notifier_call = mlx5_netdev_event;
- err = register_netdevice_notifier(&dev->port[port_num].roce.nb);
- if (err) {
- dev->port[port_num].roce.nb.notifier_call = NULL;
- return err;
- }
+ if (roce->tracking_netdev)
+ return;
+ roce->tracking_netdev = netdev;
+ roce->nb.notifier_call = mlx5_netdev_event;
+ err = register_netdevice_notifier_dev_net(netdev, &roce->nb, &roce->nn);
+ WARN_ON(err);
+}
- return 0;
+static void mlx5_netdev_notifier_unregister(struct mlx5_roce *roce)
+{
+ if (!roce->tracking_netdev)
+ return;
+ unregister_netdevice_notifier_dev_net(roce->tracking_netdev, &roce->nb,
+ &roce->nn);
+ roce->tracking_netdev = NULL;
}
-static void mlx5_remove_netdev_notifier(struct mlx5_ib_dev *dev, u32 port_num)
+static int mlx5e_mdev_notifier_event(struct notifier_block *nb,
+ unsigned long event, void *data)
{
- if (dev->port[port_num].roce.nb.notifier_call) {
- unregister_netdevice_notifier(&dev->port[port_num].roce.nb);
- dev->port[port_num].roce.nb.notifier_call = NULL;
+ struct mlx5_roce *roce = container_of(nb, struct mlx5_roce, mdev_nb);
+ struct net_device *netdev = data;
+
+ switch (event) {
+ case MLX5_DRIVER_EVENT_UPLINK_NETDEV:
+ if (netdev)
+ mlx5_netdev_notifier_register(roce, netdev);
+ else
+ mlx5_netdev_notifier_unregister(roce);
+ break;
+ default:
+ return NOTIFY_DONE;
}
+
+ return NOTIFY_OK;
+}
+
+static void mlx5_mdev_netdev_track(struct mlx5_ib_dev *dev, u32 port_num)
+{
+ struct mlx5_roce *roce = &dev->port[port_num].roce;
+
+ roce->mdev_nb.notifier_call = mlx5e_mdev_notifier_event;
+ mlx5_blocking_notifier_register(dev->mdev, &roce->mdev_nb);
+ mlx5_core_uplink_netdev_event_replay(dev->mdev);
+}
+
+static void mlx5_mdev_netdev_untrack(struct mlx5_ib_dev *dev, u32 port_num)
+{
+ struct mlx5_roce *roce = &dev->port[port_num].roce;
+
+ mlx5_blocking_notifier_unregister(dev->mdev, &roce->mdev_nb);
+ mlx5_netdev_notifier_unregister(roce);
}
static int mlx5_enable_eth(struct mlx5_ib_dev *dev)
@@ -3138,7 +3175,7 @@ static void mlx5_ib_unbind_slave_port(struct mlx5_ib_dev *ibdev,
if (mpi->mdev_events.notifier_call)
mlx5_notifier_unregister(mpi->mdev, &mpi->mdev_events);
mpi->mdev_events.notifier_call = NULL;
- mlx5_remove_netdev_notifier(ibdev, port_num);
+ mlx5_mdev_netdev_untrack(ibdev, port_num);
spin_lock(&port->mp.mpi_lock);
comps = mpi->mdev_refcnt;
@@ -3196,12 +3233,7 @@ static bool mlx5_ib_bind_slave_port(struct mlx5_ib_dev *ibdev,
if (err)
goto unbind;
- err = mlx5_add_netdev_notifier(ibdev, port_num);
- if (err) {
- mlx5_ib_err(ibdev, "failed adding netdev notifier for port %u\n",
- port_num + 1);
- goto unbind;
- }
+ mlx5_mdev_netdev_track(ibdev, port_num);
mpi->mdev_events.notifier_call = mlx5_ib_event_slave_port;
mlx5_notifier_register(mpi->mdev, &mpi->mdev_events);
@@ -3909,9 +3941,7 @@ static int mlx5_ib_roce_init(struct mlx5_ib_dev *dev)
port_num = mlx5_core_native_port_num(dev->mdev) - 1;
/* Register only for native ports */
- err = mlx5_add_netdev_notifier(dev, port_num);
- if (err)
- return err;
+ mlx5_mdev_netdev_track(dev, port_num);
err = mlx5_enable_eth(dev);
if (err)
@@ -3920,7 +3950,7 @@ static int mlx5_ib_roce_init(struct mlx5_ib_dev *dev)
return 0;
cleanup:
- mlx5_remove_netdev_notifier(dev, port_num);
+ mlx5_mdev_netdev_untrack(dev, port_num);
return err;
}
@@ -3938,7 +3968,7 @@ static void mlx5_ib_roce_cleanup(struct mlx5_ib_dev *dev)
mlx5_disable_eth(dev);
port_num = mlx5_core_native_port_num(dev->mdev) - 1;
- mlx5_remove_netdev_notifier(dev, port_num);
+ mlx5_mdev_netdev_untrack(dev, port_num);
}
}
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index 8b91babdd4c0..7394e7f36ba7 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -832,6 +832,9 @@ struct mlx5_roce {
rwlock_t netdev_lock;
struct net_device *netdev;
struct notifier_block nb;
+ struct netdev_net_notifier nn;
+ struct notifier_block mdev_nb;
+ struct net_device *tracking_netdev;
atomic_t tx_port_affinity;
enum ib_port_state last_port_state;
struct mlx5_ib_dev *dev;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
index 5bd83c0275f8..c06baa317fbd 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
@@ -263,9 +263,10 @@ static int mlx5_devlink_trap_action_set(struct devlink *devlink,
struct netlink_ext_ack *extack)
{
struct mlx5_core_dev *dev = devlink_priv(devlink);
+ struct mlx5_devlink_trap_event_ctx trap_event_ctx;
enum devlink_trap_action action_orig;
struct mlx5_devlink_trap *dl_trap;
- int err = 0;
+ int err;
if (is_mdev_switchdev_mode(dev)) {
NL_SET_ERR_MSG_MOD(extack, "Devlink traps can't be set in switchdev mode");
@@ -275,26 +276,25 @@ static int mlx5_devlink_trap_action_set(struct devlink *devlink,
dl_trap = mlx5_find_trap_by_id(dev, trap->id);
if (!dl_trap) {
mlx5_core_err(dev, "Devlink trap: Set action on invalid trap id 0x%x", trap->id);
- err = -EINVAL;
- goto out;
+ return -EINVAL;
}
- if (action != DEVLINK_TRAP_ACTION_DROP && action != DEVLINK_TRAP_ACTION_TRAP) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (action != DEVLINK_TRAP_ACTION_DROP && action != DEVLINK_TRAP_ACTION_TRAP)
+ return -EOPNOTSUPP;
if (action == dl_trap->trap.action)
- goto out;
+ return 0;
action_orig = dl_trap->trap.action;
dl_trap->trap.action = action;
+ trap_event_ctx.trap = &dl_trap->trap;
+ trap_event_ctx.err = 0;
err = mlx5_blocking_notifier_call_chain(dev, MLX5_DRIVER_EVENT_TYPE_TRAP,
- &dl_trap->trap);
- if (err)
+ &trap_event_ctx);
+ if (err == NOTIFY_BAD)
dl_trap->trap.action = action_orig;
-out:
- return err;
+
+ return trap_event_ctx.err;
}
static const struct devlink_ops mlx5_devlink_ops = {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/devlink.h b/drivers/net/ethernet/mellanox/mlx5/core/devlink.h
index fd033df24856..b84cb70eb3ae 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/devlink.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/devlink.h
@@ -24,6 +24,11 @@ struct mlx5_devlink_trap {
struct list_head list;
};
+struct mlx5_devlink_trap_event_ctx {
+ struct mlx5_trap_ctx *trap;
+ int err;
+};
+
struct mlx5_core_dev;
void mlx5_devlink_trap_report(struct mlx5_core_dev *dev, int trap_id, struct sk_buff *skb,
struct devlink_port *dl_port);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index cff5f2e29e1e..85b51039d2a6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -179,17 +179,21 @@ static void mlx5e_disable_async_events(struct mlx5e_priv *priv)
static int blocking_event(struct notifier_block *nb, unsigned long event, void *data)
{
struct mlx5e_priv *priv = container_of(nb, struct mlx5e_priv, blocking_events_nb);
+ struct mlx5_devlink_trap_event_ctx *trap_event_ctx = data;
int err;
switch (event) {
case MLX5_DRIVER_EVENT_TYPE_TRAP:
- err = mlx5e_handle_trap_event(priv, data);
+ err = mlx5e_handle_trap_event(priv, trap_event_ctx->trap);
+ if (err) {
+ trap_event_ctx->err = err;
+ return NOTIFY_BAD;
+ }
break;
default:
- netdev_warn(priv->netdev, "Sync event: Unknown event %ld\n", event);
- err = -EINVAL;
+ return NOTIFY_DONE;
}
- return err;
+ return NOTIFY_OK;
}
static void mlx5e_enable_blocking_events(struct mlx5e_priv *priv)
@@ -5957,7 +5961,7 @@ static int mlx5e_probe(struct auxiliary_device *adev,
}
mlx5e_dcbnl_init_app(priv);
- mlx5_uplink_netdev_set(mdev, netdev);
+ mlx5_core_uplink_netdev_set(mdev, netdev);
mlx5e_params_print_info(mdev, &priv->channels.params);
return 0;
@@ -5977,6 +5981,7 @@ static void mlx5e_remove(struct auxiliary_device *adev)
struct mlx5e_priv *priv = auxiliary_get_drvdata(adev);
pm_message_t state = {};
+ mlx5_core_uplink_netdev_set(priv->mdev, NULL);
mlx5e_dcbnl_delete_app(priv);
unregister_netdev(priv->netdev);
mlx5e_suspend(adev, state);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/events.c b/drivers/net/ethernet/mellanox/mlx5/core/events.c
index 9459e56ee90a..718cf09c28ce 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/events.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/events.c
@@ -424,6 +424,7 @@ int mlx5_blocking_notifier_register(struct mlx5_core_dev *dev, struct notifier_b
return blocking_notifier_chain_register(&events->sw_nh, nb);
}
+EXPORT_SYMBOL(mlx5_blocking_notifier_register);
int mlx5_blocking_notifier_unregister(struct mlx5_core_dev *dev, struct notifier_block *nb)
{
@@ -431,6 +432,7 @@ int mlx5_blocking_notifier_unregister(struct mlx5_core_dev *dev, struct notifier
return blocking_notifier_chain_unregister(&events->sw_nh, nb);
}
+EXPORT_SYMBOL(mlx5_blocking_notifier_unregister);
int mlx5_blocking_notifier_call_chain(struct mlx5_core_dev *dev, unsigned int event,
void *data)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/mlx5.h b/drivers/net/ethernet/mellanox/mlx5/core/lib/mlx5.h
index 032adb21ad4b..bfd3a1121ed8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/mlx5.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/mlx5.h
@@ -96,11 +96,6 @@ static inline struct net *mlx5_core_net(struct mlx5_core_dev *dev)
return devlink_net(priv_to_devlink(dev));
}
-static inline void mlx5_uplink_netdev_set(struct mlx5_core_dev *mdev, struct net_device *netdev)
-{
- mdev->mlx5e_res.uplink_netdev = netdev;
-}
-
static inline struct net_device *mlx5_uplink_netdev_get(struct mlx5_core_dev *mdev)
{
return mdev->mlx5e_res.uplink_netdev;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index df134f6d32dc..72716d1f8b37 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -336,6 +336,24 @@ static u16 to_fw_pkey_sz(struct mlx5_core_dev *dev, u32 size)
}
}
+void mlx5_core_uplink_netdev_set(struct mlx5_core_dev *dev, struct net_device *netdev)
+{
+ mutex_lock(&dev->mlx5e_res.uplink_netdev_lock);
+ dev->mlx5e_res.uplink_netdev = netdev;
+ mlx5_blocking_notifier_call_chain(dev, MLX5_DRIVER_EVENT_UPLINK_NETDEV,
+ netdev);
+ mutex_unlock(&dev->mlx5e_res.uplink_netdev_lock);
+}
+
+void mlx5_core_uplink_netdev_event_replay(struct mlx5_core_dev *dev)
+{
+ mutex_lock(&dev->mlx5e_res.uplink_netdev_lock);
+ mlx5_blocking_notifier_call_chain(dev, MLX5_DRIVER_EVENT_UPLINK_NETDEV,
+ dev->mlx5e_res.uplink_netdev);
+ mutex_unlock(&dev->mlx5e_res.uplink_netdev_lock);
+}
+EXPORT_SYMBOL(mlx5_core_uplink_netdev_event_replay);
+
static int mlx5_core_get_caps_mode(struct mlx5_core_dev *dev,
enum mlx5_cap_type cap_type,
enum mlx5_cap_mode cap_mode)
@@ -1608,6 +1626,7 @@ int mlx5_mdev_init(struct mlx5_core_dev *dev, int profile_idx)
lockdep_register_key(&dev->lock_key);
mutex_init(&dev->intf_state_mutex);
lockdep_set_class(&dev->intf_state_mutex, &dev->lock_key);
+ mutex_init(&dev->mlx5e_res.uplink_netdev_lock);
mutex_init(&priv->bfregs.reg_head.lock);
mutex_init(&priv->bfregs.wc_head.lock);
@@ -1696,6 +1715,7 @@ void mlx5_mdev_uninit(struct mlx5_core_dev *dev)
mutex_destroy(&priv->alloc_mutex);
mutex_destroy(&priv->bfregs.wc_head.lock);
mutex_destroy(&priv->bfregs.reg_head.lock);
+ mutex_destroy(&dev->mlx5e_res.uplink_netdev_lock);
mutex_destroy(&dev->intf_state_mutex);
lockdep_unregister_key(&dev->lock_key);
}
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index 29d4b201c7b2..f2b271169daf 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -362,6 +362,7 @@ enum mlx5_event {
enum mlx5_driver_event {
MLX5_DRIVER_EVENT_TYPE_TRAP = 0,
+ MLX5_DRIVER_EVENT_UPLINK_NETDEV,
};
enum {
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index d476255c9a3f..cc48aa308269 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -49,6 +49,7 @@
#include <linux/notifier.h>
#include <linux/refcount.h>
#include <linux/auxiliary_bus.h>
+#include <linux/mutex.h>
#include <linux/mlx5/device.h>
#include <linux/mlx5/doorbell.h>
@@ -674,6 +675,7 @@ struct mlx5e_resources {
} hw_objs;
struct devlink_port dl_port;
struct net_device *uplink_netdev;
+ struct mutex uplink_netdev_lock;
};
enum mlx5_sw_icm_type {
@@ -1011,6 +1013,9 @@ int mlx5_cmd_exec_polling(struct mlx5_core_dev *dev, void *in, int in_size,
void *out, int out_size);
bool mlx5_cmd_is_down(struct mlx5_core_dev *dev);
+void mlx5_core_uplink_netdev_set(struct mlx5_core_dev *mdev, struct net_device *netdev);
+void mlx5_core_uplink_netdev_event_replay(struct mlx5_core_dev *mdev);
+
int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type);
void mlx5_health_cleanup(struct mlx5_core_dev *dev);
int mlx5_health_init(struct mlx5_core_dev *dev);
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index a9ee7bc59c90..2d17b6a6d82d 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -1496,7 +1496,9 @@ struct mlx5_ifc_cmd_hca_cap_bits {
u8 null_mkey[0x1];
u8 log_max_klm_list_size[0x6];
- u8 reserved_at_120[0xa];
+ u8 reserved_at_120[0x2];
+ u8 qpc_extension[0x1];
+ u8 reserved_at_123[0x7];
u8 log_max_ra_req_dc[0x6];
u8 reserved_at_130[0x2];
u8 eth_wqe_too_small[0x1];
@@ -1662,7 +1664,9 @@ struct mlx5_ifc_cmd_hca_cap_bits {
u8 log_bf_reg_size[0x5];
- u8 reserved_at_270[0x6];
+ u8 reserved_at_270[0x3];
+ u8 qp_error_syndrome[0x1];
+ u8 reserved_at_274[0x2];
u8 lag_dct[0x2];
u8 lag_tx_port_affinity[0x1];
u8 lag_native_fdb_selection[0x1];
@@ -5342,6 +5346,37 @@ struct mlx5_ifc_query_rmp_in_bits {
u8 reserved_at_60[0x20];
};
+struct mlx5_ifc_cqe_error_syndrome_bits {
+ u8 hw_error_syndrome[0x8];
+ u8 hw_syndrome_type[0x4];
+ u8 reserved_at_c[0x4];
+ u8 vendor_error_syndrome[0x8];
+ u8 syndrome[0x8];
+};
+
+struct mlx5_ifc_qp_context_extension_bits {
+ u8 reserved_at_0[0x60];
+
+ struct mlx5_ifc_cqe_error_syndrome_bits error_syndrome;
+
+ u8 reserved_at_80[0x580];
+};
+
+struct mlx5_ifc_qpc_extension_and_pas_list_in_bits {
+ struct mlx5_ifc_qp_context_extension_bits qpc_data_extension;
+
+ u8 pas[0][0x40];
+};
+
+struct mlx5_ifc_qp_pas_list_in_bits {
+ struct mlx5_ifc_cmd_pas_bits pas[0];
+};
+
+union mlx5_ifc_qp_pas_or_qpc_ext_and_pas_bits {
+ struct mlx5_ifc_qp_pas_list_in_bits qp_pas_list;
+ struct mlx5_ifc_qpc_extension_and_pas_list_in_bits qpc_ext_and_pas_list;
+};
+
struct mlx5_ifc_query_qp_out_bits {
u8 status[0x8];
u8 reserved_at_8[0x18];
@@ -5358,7 +5393,7 @@ struct mlx5_ifc_query_qp_out_bits {
u8 reserved_at_800[0x80];
- u8 pas[][0x40];
+ union mlx5_ifc_qp_pas_or_qpc_ext_and_pas_bits qp_pas_or_qpc_ext_and_pas;
};
struct mlx5_ifc_query_qp_in_bits {
@@ -5368,7 +5403,8 @@ struct mlx5_ifc_query_qp_in_bits {
u8 reserved_at_20[0x10];
u8 op_mod[0x10];
- u8 reserved_at_40[0x8];
+ u8 qpc_ext[0x1];
+ u8 reserved_at_41[0x7];
u8 qpn[0x18];
u8 reserved_at_60[0x20];
@@ -8571,7 +8607,8 @@ struct mlx5_ifc_create_qp_in_bits {
u8 reserved_at_20[0x10];
u8 op_mod[0x10];
- u8 reserved_at_40[0x8];
+ u8 qpc_ext[0x1];
+ u8 reserved_at_41[0x7];
u8 input_qpn[0x18];
u8 reserved_at_60[0x20];
next reply other threads:[~2023-02-08 0:56 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-08 0:56 Saeed Mahameed [this message]
2023-02-09 3:12 ` pull-request: mlx5-next netdev notifier deadlock 2023-02-07 Jakub Kicinski
2023-02-09 3:16 ` Jakub Kicinski
2023-02-09 3:46 ` Saeed Mahameed
2023-02-09 4:27 ` Jakub Kicinski
2023-02-09 4:51 ` Saeed Mahameed
2023-02-09 3:42 ` Saeed Mahameed
2023-02-09 5:10 ` patchwork-bot+netdevbpf
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20230208005626.72930-1-saeed@kernel.org \
--to=saeed@kernel.org \
--cc=davem@davemloft.net \
--cc=edumazet@google.com \
--cc=jgg@nvidia.com \
--cc=kuba@kernel.org \
--cc=leonro@nvidia.com \
--cc=linux-rdma@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--cc=pabeni@redhat.com \
--cc=saeedm@nvidia.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.