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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-02-10 12:05:09 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-02-10 12:05:09 -0800 |
| commit | e128c5e26bd474a2a56b96ec7c8967aff347b763 (patch) | |
| tree | 1352a221d62f4c452c3962c283aac48491549363 /drivers/net/virtio_net.c | |
| parent | 70a062286b9dfcbd24d2e11601aecfead5cf709a (diff) | |
| parent | 3e9d08ec0a68f6faf718d5a7e050fe5ca0ba004f (diff) | |
| download | kernel_samsung_smdk4412-e128c5e26bd474a2a56b96ec7c8967aff347b763.zip kernel_samsung_smdk4412-e128c5e26bd474a2a56b96ec7c8967aff347b763.tar.gz kernel_samsung_smdk4412-e128c5e26bd474a2a56b96ec7c8967aff347b763.tar.bz2 | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (34 commits)
virtio_net: Add schedule check to napi_enable call
x25: Do not reference freed memory.
pch_can: fix tseg1/tseg2 setting issue
isdn: hysdn: Kill (partially buggy) CVS regision log reporting.
can: softing_cs needs slab.h
pch_gbe: Fix the issue which a driver locks when rx offload is set by ethtool
netfilter: nf_conntrack: set conntrack templates again if we return NF_REPEAT
pch_can: fix module reload issue with MSI
pch_can: fix rmmod issue
pch_can: fix 800k comms issue
net: Fix lockdep regression caused by initializing netdev queues too early.
net/caif: Fix dangling list pointer in freed object on error.
USB CDC NCM errata updates for cdc_ncm host driver
CDC NCM errata updates for cdc.h
ixgbe: update version string
ixgbe: cleanup variable initialization
ixgbe: limit VF access to network traffic
ixgbe: fix for 82599 erratum on Header Splitting
ixgbe: fix variable set but not used warnings by gcc 4.6
e1000: add support for Marvell Alaska M88E1118R PHY
...
Diffstat (limited to 'drivers/net/virtio_net.c')
| -rw-r--r-- | drivers/net/virtio_net.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 90a23e4..82dba5a 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -446,6 +446,20 @@ static void skb_recv_done(struct virtqueue *rvq) } } +static void virtnet_napi_enable(struct virtnet_info *vi) +{ + napi_enable(&vi->napi); + + /* If all buffers were filled by other side before we napi_enabled, we + * won't get another interrupt, so process any outstanding packets + * now. virtnet_poll wants re-enable the queue, so we disable here. + * We synchronize against interrupts via NAPI_STATE_SCHED */ + if (napi_schedule_prep(&vi->napi)) { + virtqueue_disable_cb(vi->rvq); + __napi_schedule(&vi->napi); + } +} + static void refill_work(struct work_struct *work) { struct virtnet_info *vi; @@ -454,7 +468,7 @@ static void refill_work(struct work_struct *work) vi = container_of(work, struct virtnet_info, refill.work); napi_disable(&vi->napi); still_empty = !try_fill_recv(vi, GFP_KERNEL); - napi_enable(&vi->napi); + virtnet_napi_enable(vi); /* In theory, this can happen: if we don't get any buffers in * we will *never* try to fill again. */ @@ -638,16 +652,7 @@ static int virtnet_open(struct net_device *dev) { struct virtnet_info *vi = netdev_priv(dev); - napi_enable(&vi->napi); - - /* If all buffers were filled by other side before we napi_enabled, we - * won't get another interrupt, so process any outstanding packets - * now. virtnet_poll wants re-enable the queue, so we disable here. - * We synchronize against interrupts via NAPI_STATE_SCHED */ - if (napi_schedule_prep(&vi->napi)) { - virtqueue_disable_cb(vi->rvq); - __napi_schedule(&vi->napi); - } + virtnet_napi_enable(vi); return 0; } |