Re: [PATCH 0/2] cgroup/cpuset: Fix partition updates using stale CPU masks

[Guopeng Zhang]

Hello,Longman

Could you take a look at this patch series when you have a chance?

Thanks,
Guopeng

在 2026/10/10 15:59, Guopeng Zhang 写道:
> From: Guopeng Zhang <zhangguopeng@xxxxxxxxxx>
> 
> These patches fix two cases where partition updates read stale configured
> CPU masks:
> 
> 1. Shrinking cpuset.cpus of a remote partition can leave a removed CPU
>    unavailable to the top cpuset.
> 2. Updating cpuset.cpus.exclusive can leave an invalid local partition
>    unable to recover after the mask becomes valid.
> 
> Move each configured mask update before partition_cpus_change().
> 
> Guopeng Zhang (2):
>   cgroup/cpuset: Fix cpuset.cpus update in a remote partition
>   cgroup/cpuset: Fix invalid local partition recovery
> 
>  kernel/cgroup/cpuset.c | 11 +++++++++--
>  1 file changed, 9 insertions(+), 2 deletions(-)
>