Re: [PATCH] cgroup/cpuset: Use WRITE_ONCE() for shared prs_err updates
Tejun Heo <[email protected]>
| Newsgroups | org.kernel.vger.cgroups,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
On Mon, Aug 10, 2026 at 05:55:59PM +0800, Guopeng Zhang wrote: > From: Guopeng Zhang <[email protected]> > > cpuset_partition_show() reads cs->prs_err without cpuset_mutex using > READ_ONCE(). The field is documented as not lock protected, but several > updates to live cpusets still use plain stores. > > Convert the remaining prs_err stores on live cpusets to WRITE_ONCE(). Applied to cgroup/for-7.3. Thanks. -- tejun