Re: [PATCH 6.6 00/76] 6.6.85-rc2 review

[Naresh Kamboju]

On Fri, 28 Mar 2025 at 17:14, Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote:
>
> On Wed, 26 Mar 2025 at 21:16, Greg Kroah-Hartman
> <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> >
> > This is the start of the stable review cycle for the 6.6.85 release.
> > There are 76 patches in this series, all will be posted as a response
> > to this one.  If anyone has any issues with these being applied, please
> > let me know.
> >
> > Responses should be made by Fri, 28 Mar 2025 15:43:33 +0000.
> > Anything received after that time might be too late.
> >
> > The whole patch series can be found in one patch at:
> >         https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.6.85-rc2.gz
> > or in the git tree and branch at:
> >         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.6.y
> > and the diffstat can be found below.
> >
> > thanks,
> >
> > greg k-h
>
> Regressions on arm64 devices cpu hotplug tests failed with gcc-13 and
> clang-20 the stable-rc 6.6.85-rc2
>
> These regressions are the same as stable-rc 6.1 cpu hotplug regressions.
>
> First seen on the 6.6.85-rc2
> Good: v6.6.83
> Bad: 6.6.85-rc2

I have reverted this patch and confirms that reported regressions fixed,
  memcg: drain obj stock on cpu hotplug teardown
  commit 9f01b4954490d4ccdbcc2b9be34a9921ceee9cbb upstream.

-  Naresh