| Date | Thu, 4 Feb 2021 15:01:34 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH v10 2/5] sched: CGroup tagging interface for core scheduling |
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On Fri, Jan 22, 2021 at 08:17:01PM -0500, Joel Fernandes (Google) wrote:
> +#ifdef CONFIG_SCHED_DEBUG > + /* Read the group cookie. */ > + { > + .name = "core_group_cookie", > + .flags = CFTYPE_NOT_ON_ROOT, > + .read_u64 = cpu_core_group_cookie_read_u64, > + }, > +#endif
> +#ifdef CONFIG_SCHED_DEBUG > + /* Read the group cookie. */ > + { > + .name = "core_group_cookie", > + .flags = CFTYPE_NOT_ON_ROOT, > + .read_u64 = cpu_core_group_cookie_read_u64, > + }, > +#endif
AFAICT this leaks kernel pointers. IIRC that was a bad thing.
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