Re: [PATCH v2] sched_ext: allow ops.cgroup_set_bandwidth() to be sleepable
Tejun Heo <[email protected]>
| Newsgroups | dev.linux.lists.sched-ext,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
Hello, On Wed, Aug 19, 2026 at 01:04:29AM +0900, Changwoo Min wrote: > ops.cgroup_set_bandwidth() is delivered from scx_group_set_bandwidth(), > which runs from the cpu.max cgroup interface write path (tg_set_bandwidth()) > in process context. scx_group_set_bandwidth() holds > percpu_down_read(&scx_cgroup_ops_rwsem), whose read side may sleep. > The call site is therefore sleepable, like ops.cgroup_init(). Applied to sched_ext/for-7.3-fixes with the subject capitalization fixed. Thanks. -- tejun