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| author | Ingo Molnar <mingo@kernel.org> | 2016-09-05 12:09:59 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-09-05 12:09:59 +0200 |
| commit | 2cc538412a1ca103923ec400a339a5b3833e0280 (patch) | |
| tree | c141b83e1da736c3d069ed491816d0096e1b532a /net/vmw_vsock/virtio_transport.c | |
| parent | 36e674a05164cdbb9d4a5b1b0b279fabae6c13bd (diff) | |
| parent | 58763148758057ffc447bf990321d3ea86d199a0 (diff) | |
| download | linux-2cc538412a1ca103923ec400a339a5b3833e0280.tar.bz2 | |
Merge branch 'perf/urgent' into perf/core, to pick up fixed and resolve conflicts
Conflicts:
kernel/events/core.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/vmw_vsock/virtio_transport.c')
| -rw-r--r-- | net/vmw_vsock/virtio_transport.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c index 699dfabdbccd..936d7eee62d0 100644 --- a/net/vmw_vsock/virtio_transport.c +++ b/net/vmw_vsock/virtio_transport.c @@ -87,9 +87,6 @@ virtio_transport_send_pkt_work(struct work_struct *work) vq = vsock->vqs[VSOCK_VQ_TX]; - /* Avoid unnecessary interrupts while we're processing the ring */ - virtqueue_disable_cb(vq); - for (;;) { struct virtio_vsock_pkt *pkt; struct scatterlist hdr, buf, *sgs[2]; @@ -99,7 +96,6 @@ virtio_transport_send_pkt_work(struct work_struct *work) spin_lock_bh(&vsock->send_pkt_list_lock); if (list_empty(&vsock->send_pkt_list)) { spin_unlock_bh(&vsock->send_pkt_list_lock); - virtqueue_enable_cb(vq); break; } @@ -118,13 +114,13 @@ virtio_transport_send_pkt_work(struct work_struct *work) } ret = virtqueue_add_sgs(vq, sgs, out_sg, in_sg, pkt, GFP_KERNEL); + /* Usually this means that there is no more space available in + * the vq + */ if (ret < 0) { spin_lock_bh(&vsock->send_pkt_list_lock); list_add(&pkt->list, &vsock->send_pkt_list); spin_unlock_bh(&vsock->send_pkt_list_lock); - - if (!virtqueue_enable_cb(vq) && ret == -ENOSPC) - continue; /* retry now that we have more space */ break; } |