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| author | David S. Miller <davem@davemloft.net> | 2008-03-18 00:37:55 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-03-18 00:37:55 -0700 |
| commit | 577f99c1d08cf9cbdafd4e858dd13ff04d855090 (patch) | |
| tree | 0f726bbda9b18d311d4c95198bbd96cb7ac01db0 /include/linux/virtio.h | |
| parent | 26c0f03f6b77c513cb7bc37b73a06819bdbb791b (diff) | |
| parent | 2f633928cbba8a5858bb39b11e7219a41b0fbef5 (diff) | |
| download | kernel-crypto-577f99c1d08cf9cbdafd4e858dd13ff04d855090.tar.gz kernel-crypto-577f99c1d08cf9cbdafd4e858dd13ff04d855090.tar.xz kernel-crypto-577f99c1d08cf9cbdafd4e858dd13ff04d855090.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/wireless/rt2x00/rt2x00dev.c
net/8021q/vlan_dev.c
Diffstat (limited to 'include/linux/virtio.h')
| -rw-r--r-- | include/linux/virtio.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/virtio.h b/include/linux/virtio.h index 260d1fcf29a..12c18ac1b97 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -43,8 +43,9 @@ struct virtqueue * vq: the struct virtqueue we're talking about. * @enable_cb: restart callbacks after disable_cb. * vq: the struct virtqueue we're talking about. - * This returns "false" (and doesn't re-enable) if there are pending - * buffers in the queue, to avoid a race. + * This re-enables callbacks; it returns "false" if there are pending + * buffers in the queue, to detect a possible race between the driver + * checking for more work, and enabling callbacks. * * Locking rules are straightforward: the driver is responsible for * locking. No two operations may be invoked simultaneously. |