linux-kernel - Re: [PATCH 19/15] sched/swait: Reword some of the main description

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Message-ID: <20200320091947.qmj2nsjri3xq6vif@linutronix.de>
Date:   Fri, 20 Mar 2020 10:19:47 +0100
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     Davidlohr Bueso <dave@...olabs.net>
Cc:     tglx@...utronix.de, arnd@...db.de, balbi@...nel.org,
        bhelgaas@...gle.com, davem@...emloft.net,
        gregkh@...uxfoundation.org, joel@...lfernandes.org,
        kurt.schwemmer@...rosemi.com, kvalo@...eaurora.org,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-wireless@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, logang@...tatee.com,
        mingo@...nel.org, mpe@...erman.id.au, netdev@...r.kernel.org,
        oleg@...hat.com, paulmck@...nel.org, peterz@...radead.org,
        rdunlap@...radead.org, rostedt@...dmis.org,
        torvalds@...ux-foundation.org, will@...nel.org,
        Davidlohr Bueso <dbueso@...e.de>
Subject: Re: [PATCH 19/15] sched/swait: Reword some of the main description

On 2020-03-20 01:55:27 [-0700], Davidlohr Bueso wrote:
> diff --git a/include/linux/swait.h b/include/linux/swait.h
> index 73e06e9986d4..6e5b5d0e64fd 100644
> --- a/include/linux/swait.h
> +++ b/include/linux/swait.h
> @@ -39,7 +26,7 @@
>   *    sleeper state.
>   *
>   *  - the !exclusive mode; because that leads to O(n) wakeups, everything is
> - *    exclusive.
> + *    exclusive. As such swait_wake_up_one will only ever awake _one_ waiter.
                            swake_up_one()

>   *  - custom wake callback functions; because you cannot give any guarantees
>   *    about random code. This also allows swait to be used in RT, such that

Sebastian