summaryrefslogtreecommitdiff
path: root/drivers/net/hyperv/netvsc.c
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2012-07-12 17:55:40 +0200
committerArnd Bergmann <arnd@arndb.de>2012-07-12 17:55:40 +0200
commit9c63cd5a955ce8a3de1776a9e4b6b89c69b2a09e (patch)
tree2b628ebdaeb63603d90c92e78bc5dd668856b61d /drivers/net/hyperv/netvsc.c
parent8c203360a751ecbf876a8324e02c1dcbcc5dd548 (diff)
parent34ae0dadb4e99e8177f9785e069e9cca636ef8c1 (diff)
downloadolio-linux-3.10-9c63cd5a955ce8a3de1776a9e4b6b89c69b2a09e.tar.xz
olio-linux-3.10-9c63cd5a955ce8a3de1776a9e4b6b89c69b2a09e.zip
Merge tag 'imx-defconfig' of git://git.pengutronix.de/git/imx/linux-2.6 into next/defconfig
From Sascha Hauer <s.hauer@pengutronix.de>: ARM i.MX defconfig updates for v3.6 * tag 'imx-defconfig' of git://git.pengutronix.de/git/imx/linux-2.6: ARM: imx_v4_v5_defconfig: update features ARM: imx_v6_v7_defconfig: update features Includes an update to v3.5-rc5 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/net/hyperv/netvsc.c')
-rw-r--r--drivers/net/hyperv/netvsc.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 8b919471472..0c569831db5 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -42,6 +42,7 @@ static struct netvsc_device *alloc_net_device(struct hv_device *device)
if (!net_device)
return NULL;
+ init_waitqueue_head(&net_device->wait_drain);
net_device->start_remove = false;
net_device->destroy = false;
net_device->dev = device;
@@ -387,12 +388,8 @@ int netvsc_device_remove(struct hv_device *device)
spin_unlock_irqrestore(&device->channel->inbound_lock, flags);
/* Wait for all send completions */
- while (atomic_read(&net_device->num_outstanding_sends)) {
- dev_info(&device->device,
- "waiting for %d requests to complete...\n",
- atomic_read(&net_device->num_outstanding_sends));
- udelay(100);
- }
+ wait_event(net_device->wait_drain,
+ atomic_read(&net_device->num_outstanding_sends) == 0);
netvsc_disconnect_vsp(net_device);
@@ -486,6 +483,9 @@ static void netvsc_send_completion(struct hv_device *device,
num_outstanding_sends =
atomic_dec_return(&net_device->num_outstanding_sends);
+ if (net_device->destroy && num_outstanding_sends == 0)
+ wake_up(&net_device->wait_drain);
+
if (netif_queue_stopped(ndev) && !net_device->start_remove &&
(hv_ringbuf_avail_percent(&device->channel->outbound)
> RING_AVAIL_PERCENT_HIWATER ||