Re: [PATCH 2/3] cgroup: make css_rstat_updated nmi safe

[Tejun Heo]

Hello,

On Tue, Jun 10, 2025 at 04:28:23PM -0700, Shakeel Butt wrote:
...
> I was actually thinking of using this_cpu_cmpxchg but then I need to
> also check for CONFIG_ARCH_HAS_NMI_SAFE_THIS_CPU_OPS. However if you
> prefer that, I can try this_cpu_cmpxchg in the next version.

Yeah, I don't think it'd make any performance differences, but, provided it
doesn't too much complexity, it'd make things less confusing as the
construct being used aligns with the problem being solved.

Thanks.

-- 
tejun