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| author | Tejun Heo <tj@kernel.org> | 2020-04-03 11:32:13 -0400 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2020-04-03 11:32:13 -0400 |
| commit | 2b729fe7f3e9478a21a336231daf35768e7cf37b (patch) | |
| tree | 46637b3b2e958100d505c86e2a43a65ccb4eefd4 /include | |
| parent | 38aca3071cebc90e6b07abd697cba5c9d7b37a94 (diff) | |
| download | lwn-2b729fe7f3e9478a21a336231daf35768e7cf37b.tar.gz lwn-2b729fe7f3e9478a21a336231daf35768e7cf37b.zip | |
Revert "cpuset: Make cpuset hotplug synchronous"
This reverts commit a49e4629b5ed ("cpuset: Make cpuset hotplug synchronous") as
it may deadlock with cpu hotplug path.
Link: http://lkml.kernel.org/r/F0388D99-84D7-453B-9B6B-EEFF0E7BE4CC@lca.pw
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Qian Cai <cai@lca.pw>
Cc: Prateek Sood <prsood@codeaurora.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/cpuset.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h index cede4cb98b78..04c20de66afc 100644 --- a/include/linux/cpuset.h +++ b/include/linux/cpuset.h @@ -54,6 +54,7 @@ extern int cpuset_init(void); extern void cpuset_init_smp(void); extern void cpuset_force_rebuild(void); extern void cpuset_update_active_cpus(void); +extern void cpuset_wait_for_hotplug(void); extern void cpuset_read_lock(void); extern void cpuset_read_unlock(void); extern void cpuset_cpus_allowed(struct task_struct *p, struct cpumask *mask); @@ -175,6 +176,8 @@ static inline void cpuset_update_active_cpus(void) partition_sched_domains(1, NULL, NULL); } +static inline void cpuset_wait_for_hotplug(void) { } + static inline void cpuset_read_lock(void) { } static inline void cpuset_read_unlock(void) { } |