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enable cgroup cpuset by default

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This prepares for subsequent patches which introduce dependence
on cgroup cpuset. Enable cgroup cpuset by default so users don't
have to modify configuration file before encountering a cpuset
error.
This commit is contained in:
Hu Tao 2011-11-17 17:44:12 +08:00 committed by Eric Blake
parent cda8bd1a63
commit 41a2636aa3
2 changed files with 5 additions and 3 deletions
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5
src/qemu/qemu.conf
View File

@ -157,18 +157,19 @@
# - 'devices' - use for device whitelisting
# - 'memory' - use for memory tunables
# - 'blkio' - use for block devices I/O tunables
# - 'cpuset' - use for CPUs and memory nodes
#
# NB, even if configured here, they won't be used unless
# the administrator has mounted cgroups, e.g.:
#
# mkdir /dev/cgroup
# mount -t cgroup -o devices,cpu,memory,blkio none /dev/cgroup
# mount -t cgroup -o devices,cpu,memory,blkio,cpuset none /dev/cgroup
#
# They can be mounted anywhere, and different controllers
# can be mounted in different locations. libvirt will detect
# where they are located.
#
# cgroup_controllers = [ "cpu", "devices", "memory", "blkio" ]
# cgroup_controllers = [ "cpu", "devices", "memory", "blkio", "cpuset" ]
# This is the basic set of devices allowed / required by
# all virtual machines.

3
src/qemu/qemu_conf.c
View File

@ -303,7 +303,8 @@ int qemudLoadDriverConfig(struct qemud_driver *driver,
(1 << VIR_CGROUP_CONTROLLER_CPU) |
(1 << VIR_CGROUP_CONTROLLER_DEVICES) |
(1 << VIR_CGROUP_CONTROLLER_MEMORY) |
(1 << VIR_CGROUP_CONTROLLER_BLKIO);
(1 << VIR_CGROUP_CONTROLLER_BLKIO) |
(1 << VIR_CGROUP_CONTROLLER_CPUSET);
}
for (i = 0 ; i < VIR_CGROUP_CONTROLLER_LAST ; i++) {
if (driver->cgroupControllers & (1 << i)) {