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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2016-03-16 23:47:55 (GMT)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2016-03-31 20:34:11 (GMT)
commit3b5f668e715bc19610ad967ef97a7e8c55a186ec (patch)
tree1adb1e9d9d1aa5220163ae2cefccc27bd93e3db4 /kernel/irq/msi.c
parentaff12cdf86e6fa891d1c30c0fad112d138bd7b10 (diff)
downloadlinux-3b5f668e715bc19610ad967ef97a7e8c55a186ec.tar.xz
rcu: Overlap wakeups with next expedited grace period
The current expedited grace-period implementation makes subsequent grace periods wait on wakeups for the prior grace period. This does not fit the dictionary definition of "expedited", so this commit allows these two phases to overlap. Doing this requires four waitqueues rather than two because tasks can now be waiting on the previous, current, and next grace periods. The fourth waitqueue makes the bit masking work out nicely. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/irq/msi.c')
0 files changed, 0 insertions, 0 deletions