v2:
  - Add a new patch 1 that fixes a bug introduced by recent v6.2 commit
    7a2127e66a00 ("cpuset: Call set_cpus_allowed_ptr() with appropriate
    mask for task").
  - Make a small twist and additional comment to patch 2 ("cgroup/cpuset:
    Skip task update if hotplug doesn't affect current cpuset") as
    suggested by Michal.
  - Remove v1 patches 3/4 for now for further discussion.

This patch series includes miscellaneous update to the cpuset and its
testing code.

Patch 1 fixes a bug caused by commit 7a2127e66a00 ("cpuset: Call
set_cpus_allowed_ptr() with appropriate mask for task") in the partition
handling code. This fix was verified by running the test_cpuset_prs.sh
test.

Patch 2 is for a hotplug optimization.

Patch 3 is actually a follow-up of commit 3fb906e7fabb ("cgroup/cpuset:
Don't filter offline CPUs in cpuset_cpus_allowed() for top cpuset tasks").

Patch 4 reduces verbosity when running test_cpuset_prs.sh test script
unless explicitly enabled with the -v option.

Waiman Long (4):
  cgroup/cpuset: Fix partition root's cpuset.cpus update bug
  cgroup/cpuset: Skip task update if hotplug doesn't affect current
    cpuset
  cgroup/cpuset: Include offline CPUs when tasks' cpumasks in top_cpuset
    are updated
  cgroup/cpuset: Minor updates to test_cpuset_prs.sh

 kernel/cgroup/cpuset.c                        | 38 +++++++++++++------
 .../selftests/cgroup/test_cpuset_prs.sh       | 25 ++++++------
 2 files changed, 41 insertions(+), 22 deletions(-)

-- 
2.31.1

Hi Waiman,

On Fri, Mar 17, 2023 at 11:15:04AM -0400, Waiman Long wrote:
>  v2:
>   - Add a new patch 1 that fixes a bug introduced by recent v6.2 commit
>     7a2127e66a00 ("cpuset: Call set_cpus_allowed_ptr() with appropriate
>     mask for task").
>   - Make a small twist and additional comment to patch 2 ("cgroup/cpuset:
>     Skip task update if hotplug doesn't affect current cpuset") as
>     suggested by Michal.
>   - Remove v1 patches 3/4 for now for further discussion.
> 
> This patch series includes miscellaneous update to the cpuset and its
> testing code.

FWIW, this series also passes my asymmetric 32-bit tests.

Cheers,

Will

On 3/28/23 09:40, Will Deacon wrote:
> Hi Waiman,
>
> On Fri, Mar 17, 2023 at 11:15:04AM -0400, Waiman Long wrote:
>>   v2:
>>    - Add a new patch 1 that fixes a bug introduced by recent v6.2 commit
>>      7a2127e66a00 ("cpuset: Call set_cpus_allowed_ptr() with appropriate
>>      mask for task").
>>    - Make a small twist and additional comment to patch 2 ("cgroup/cpuset:
>>      Skip task update if hotplug doesn't affect current cpuset") as
>>      suggested by Michal.
>>    - Remove v1 patches 3/4 for now for further discussion.
>>
>> This patch series includes miscellaneous update to the cpuset and its
>> testing code.
> FWIW, this series also passes my asymmetric 32-bit tests.

Thanks Will!

Tejun, do you have time to take a look at this series, especially the 
first patch which is a fix that may need to go to stable?

Cheers,
Longman