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author | David S. Miller <davem@davemloft.net> | 2018-03-23 11:24:57 -0400 |
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committer | David S. Miller <davem@davemloft.net> | 2018-03-23 11:31:58 -0400 |
commit | 03fe2debbb2771fb90881e4ce8109b09cf772a5c (patch) | |
tree | fbaf8738296b2e9dcba81c6daef2d515b6c4948c /drivers/net/hyperv/netvsc.c | |
parent | 6686c459e1449a3ee5f3fd313b0a559ace7a700e (diff) | |
parent | f36b7534b83357cf52e747905de6d65b4f7c2512 (diff) | |
download | linux-stable-03fe2debbb2771fb90881e4ce8109b09cf772a5c.tar.gz linux-stable-03fe2debbb2771fb90881e4ce8109b09cf772a5c.tar.bz2 linux-stable-03fe2debbb2771fb90881e4ce8109b09cf772a5c.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Fun set of conflict resolutions here...
For the mac80211 stuff, these were fortunately just parallel
adds. Trivially resolved.
In drivers/net/phy/phy.c we had a bug fix in 'net' that moved the
function phy_disable_interrupts() earlier in the file, whilst in
'net-next' the phy_error() call from this function was removed.
In net/ipv4/xfrm4_policy.c, David Ahern's changes to remove the
'rt_table_id' member of rtable collided with a bug fix in 'net' that
added a new struct member "rt_mtu_locked" which needs to be copied
over here.
The mlxsw driver conflict consisted of net-next separating
the span code and definitions into separate files, whilst
a 'net' bug fix made some changes to that moved code.
The mlx5 infiniband conflict resolution was quite non-trivial,
the RDMA tree's merge commit was used as a guide here, and
here are their notes:
====================
Due to bug fixes found by the syzkaller bot and taken into the for-rc
branch after development for the 4.17 merge window had already started
being taken into the for-next branch, there were fairly non-trivial
merge issues that would need to be resolved between the for-rc branch
and the for-next branch. This merge resolves those conflicts and
provides a unified base upon which ongoing development for 4.17 can
be based.
Conflicts:
drivers/infiniband/hw/mlx5/main.c - Commit 42cea83f9524
(IB/mlx5: Fix cleanup order on unload) added to for-rc and
commit b5ca15ad7e61 (IB/mlx5: Add proper representors support)
add as part of the devel cycle both needed to modify the
init/de-init functions used by mlx5. To support the new
representors, the new functions added by the cleanup patch
needed to be made non-static, and the init/de-init list
added by the representors patch needed to be modified to
match the init/de-init list changes made by the cleanup
patch.
Updates:
drivers/infiniband/hw/mlx5/mlx5_ib.h - Update function
prototypes added by representors patch to reflect new function
names as changed by cleanup patch
drivers/infiniband/hw/mlx5/ib_rep.c - Update init/de-init
stage list to match new order from cleanup patch
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/hyperv/netvsc.c')
-rw-r--r-- | drivers/net/hyperv/netvsc.c | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index aa95e81af6e5..4123d081b1c7 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -93,6 +93,11 @@ static void free_netvsc_device(struct rcu_head *head) = container_of(head, struct netvsc_device, rcu); int i; + kfree(nvdev->extension); + vfree(nvdev->recv_buf); + vfree(nvdev->send_buf); + kfree(nvdev->send_section_map); + for (i = 0; i < VRSS_CHANNEL_MAX; i++) vfree(nvdev->chan_table[i].mrc.slots); @@ -218,12 +223,6 @@ static void netvsc_teardown_gpadl(struct hv_device *device, net_device->recv_buf_gpadl_handle = 0; } - if (net_device->recv_buf) { - /* Free up the receive buffer */ - vfree(net_device->recv_buf); - net_device->recv_buf = NULL; - } - if (net_device->send_buf_gpadl_handle) { ret = vmbus_teardown_gpadl(device->channel, net_device->send_buf_gpadl_handle); @@ -238,12 +237,6 @@ static void netvsc_teardown_gpadl(struct hv_device *device, } net_device->send_buf_gpadl_handle = 0; } - if (net_device->send_buf) { - /* Free up the send buffer */ - vfree(net_device->send_buf); - net_device->send_buf = NULL; - } - kfree(net_device->send_section_map); } int netvsc_alloc_recv_comp_ring(struct netvsc_device *net_device, u32 q_idx) @@ -580,26 +573,29 @@ void netvsc_device_remove(struct hv_device *device) = rtnl_dereference(net_device_ctx->nvdev); int i; - cancel_work_sync(&net_device->subchan_work); - netvsc_revoke_buf(device, net_device); RCU_INIT_POINTER(net_device_ctx->nvdev, NULL); + /* And disassociate NAPI context from device */ + for (i = 0; i < net_device->num_chn; i++) + netif_napi_del(&net_device->chan_table[i].napi); + /* * At this point, no one should be accessing net_device * except in here */ netdev_dbg(ndev, "net device safe to remove\n"); + /* older versions require that buffer be revoked before close */ + if (net_device->nvsp_version < NVSP_PROTOCOL_VERSION_4) + netvsc_teardown_gpadl(device, net_device); + /* Now, we can close the channel safely */ vmbus_close(device->channel); - netvsc_teardown_gpadl(device, net_device); - - /* And dissassociate NAPI context from device */ - for (i = 0; i < net_device->num_chn; i++) - netif_napi_del(&net_device->chan_table[i].napi); + if (net_device->nvsp_version >= NVSP_PROTOCOL_VERSION_4) + netvsc_teardown_gpadl(device, net_device); /* Release all resources */ free_netvsc_device_rcu(net_device); @@ -663,14 +659,18 @@ static void netvsc_send_tx_complete(struct netvsc_device *net_device, queue_sends = atomic_dec_return(&net_device->chan_table[q_idx].queue_sends); - if (net_device->destroy && queue_sends == 0) - wake_up(&net_device->wait_drain); + if (unlikely(net_device->destroy)) { + if (queue_sends == 0) + wake_up(&net_device->wait_drain); + } else { + struct netdev_queue *txq = netdev_get_tx_queue(ndev, q_idx); - if (netif_tx_queue_stopped(netdev_get_tx_queue(ndev, q_idx)) && - (hv_ringbuf_avail_percent(&channel->outbound) > RING_AVAIL_PERCENT_HIWATER || - queue_sends < 1)) { - netif_tx_wake_queue(netdev_get_tx_queue(ndev, q_idx)); - ndev_ctx->eth_stats.wake_queue++; + if (netif_tx_queue_stopped(txq) && + (hv_ringbuf_avail_percent(&channel->outbound) > RING_AVAIL_PERCENT_HIWATER || + queue_sends < 1)) { + netif_tx_wake_queue(txq); + ndev_ctx->eth_stats.wake_queue++; + } } } |