linux-kernel - Re: [PATCH 2/2] sched/core: Consider afffinity constrain when yield to a task

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Message-ID: <CANRm+CwrYRV8NC4eXkjxJeBAyFimGCS0E03sAo8w8Pxod-_A2Q@mail.gmail.com>
Date:   Mon, 11 Jun 2018 17:03:16 +0800
From:   Wanpeng Li <kernellwp@...il.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     LKML <linux-kernel@...r.kernel.org>, kvm <kvm@...r.kernel.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krcmar <rkrcmar@...hat.com>,
        Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH 2/2] sched/core: Consider afffinity constrain when yield
 to a task

On Mon, 11 Jun 2018 at 16:39, Peter Zijlstra <peterz@...radead.org> wrote:
[.../...]
>
> Then it calls set_next_buddy(&p->se), which will mark @p more likely to
> get picked on its rq (p_rq) _not_ our rq. Note how set_next_buddy() uses
> cfs_rq_of().

I miss it, thanks for the great explanation. I will drop the two patches.

Regards,
Wanpeng Li