linux-kernel - Re: [RFC PATCH v1] pin_on_cpu: Introduce thread CPU pinning system call

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Message-ID: <CAODFU0pi6MVJ+XgUmZRS_+ihAyZF+aq_V7sdnbeNeDtPzCZS=A@mail.gmail.com>
Date:   Wed, 22 Jan 2020 16:48:06 +0100
From:   Jan Ziak <0xe2.0x9a.0x9b@...il.com>
To:     linux-api@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org
Subject: Re: [RFC PATCH v1] pin_on_cpu: Introduce thread CPU pinning system call

Hello

I would like to note that this does not help userspace to express
dynamic scheduling relationships among processes/threads such as "do
not run processes A and B on the same core" or "run processes A and B
on cores sharing the same L2 cache".

Sincerely
Jan