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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-14 13:25:30 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-14 13:25:30 -0800 |
commit | d018b6f4f1539f3679fbdc2d02d58d09e76be84a (patch) | |
tree | 317b9e04d8e7a73a4d07c69a5cb5455ec34f47e5 /drivers/vhost | |
parent | 18bce371ae09af6c20ee62c1092a4d1d0e84dd49 (diff) | |
parent | 0f73f2c5a3ebb957ee66718c903c17ed71a4fc2e (diff) | |
download | kernel_samsung_crespo-d018b6f4f1539f3679fbdc2d02d58d09e76be84a.zip kernel_samsung_crespo-d018b6f4f1539f3679fbdc2d02d58d09e76be84a.tar.gz kernel_samsung_crespo-d018b6f4f1539f3679fbdc2d02d58d09e76be84a.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: (47 commits)
GRETH: resolve SMP issues and other problems
GRETH: handle frame error interrupts
GRETH: avoid writing bad speed/duplex when setting transfer mode
GRETH: fixed skb buffer memory leak on frame errors
GRETH: GBit transmit descriptor handling optimization
GRETH: fix opening/closing
GRETH: added raw AMBA vendor/device number to match against.
cassini: Fix build bustage on x86.
e1000e: consistent use of Rx/Tx vs. RX/TX/rx/tx in comments/logs
e1000e: update Copyright for 2011
e1000: Avoid unhandled IRQ
r8169: keep firmware in memory.
netdev: tilepro: Use is_unicast_ether_addr helper
etherdevice.h: Add is_unicast_ether_addr function
ks8695net: Use default implementation of ethtool_ops::get_link
ks8695net: Disable non-working ethtool operations
USB CDC NCM: Don't deref NULL in cdc_ncm_rx_fixup() and don't use uninitialized variable.
vxge: Remember to release firmware after upgrading firmware
netdev: bfin_mac: Remove is_multicast_ether_addr use in netdev_for_each_mc_addr
ipsec: update MAX_AH_AUTH_LEN to support sha512
...
Diffstat (limited to 'drivers/vhost')
-rw-r--r-- | drivers/vhost/vhost.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 38244f5..ade0568 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -97,22 +97,26 @@ void vhost_poll_stop(struct vhost_poll *poll) remove_wait_queue(poll->wqh, &poll->wait); } +static bool vhost_work_seq_done(struct vhost_dev *dev, struct vhost_work *work, + unsigned seq) +{ + int left; + spin_lock_irq(&dev->work_lock); + left = seq - work->done_seq; + spin_unlock_irq(&dev->work_lock); + return left <= 0; +} + static void vhost_work_flush(struct vhost_dev *dev, struct vhost_work *work) { unsigned seq; - int left; int flushing; spin_lock_irq(&dev->work_lock); seq = work->queue_seq; work->flushing++; spin_unlock_irq(&dev->work_lock); - wait_event(work->done, ({ - spin_lock_irq(&dev->work_lock); - left = seq - work->done_seq <= 0; - spin_unlock_irq(&dev->work_lock); - left; - })); + wait_event(work->done, vhost_work_seq_done(dev, work, seq)); spin_lock_irq(&dev->work_lock); flushing = --work->flushing; spin_unlock_irq(&dev->work_lock); |