On Mon, 7 Sep 2020 16:35:40 +0530, Vaibhav Jain wrote:
> The newly introduced 'perf_stats' attribute uses the default access
> mode of 0444 letting non-root users access performance stats of an
> nvdimm and potentially force the kernel into issuing large number of
> expensive HCALLs. Since the information exposed by this attribute
> cannot be cached hence its better to ward of access to this attribute
> from users who don't need to access these performance statistics.
>
> [...]
Applied to powerpc/fixes.
[1/1] powerpc/papr_scm: Limit the readability of 'perf_stats' sysfs attribute
https://git.kernel.org/powerpc/c/0460534b532e5518c657c7d6492b9337d975eaa3
cheers
