kernel/vm_object: Add debugvm_object_hold_maybe_shared() prototype.
ath(4): s/long long unsigned/unsigned long long/
bce: Save CID into related TX/RX ring struct
bce: Cache TX/RX consumer indices' location

Using the them to access TX/RX consumer indices instead of directly
accessing status block; prepare for the MSI-X support
ccd(4): Fix operator precedence.
Merge branch 'master' into gsocdrm_jfree