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SubjectRe: [PATCH 3/5] cgroup/cpuset: Find another usable CPU if none found in current cpuset
On Fri, Mar 24, 2023 at 02:32:50PM +0000, Will Deacon <will@kernel.org> wrote:
> So approaches such as killing tasks or rejecting system calls tend not
> to work as well, since you inevitably get divergent behaviour leading
> to functional breakage rather than e.g. performance anomalies.

What about temporary performance drop from 100% to 0% aka freezing the
tasks for the duration of the mismatching affinity config?


> Having said that, the behaviour we currently have in mainline seems to
> be alright, so please don't go out of your way to accomodate these SoCs.

I see. (Just wondering what you think about the fourth option above.)

Thanks,
Michal
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