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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Davidlohr Bueso <dave@stgolabs.net>
Cc: tglx@linutronix.de, arnd@arndb.de, balbi@kernel.org,
	bhelgaas@google.com, davem@davemloft.net,
	gregkh@linuxfoundation.org, joel@joelfernandes.org,
	kurt.schwemmer@microsemi.com, kvalo@codeaurora.org,
	linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
	linux-usb@vger.kernel.org, linux-wireless@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org, logang@deltatee.com,
	mingo@kernel.org, mpe@ellerman.id.au, netdev@vger.kernel.org,
	oleg@redhat.com, paulmck@kernel.org, peterz@infradead.org,
	rdunlap@infradead.org, rostedt@goodmis.org,
	torvalds@linux-foundation.org, will@kernel.org,
	Davidlohr Bueso <dbueso@suse.de>
Subject: Re: [PATCH 19/15] sched/swait: Reword some of the main description
Date: Fri, 20 Mar 2020 10:19:47 +0100	[thread overview]
Message-ID: <20200320091947.qmj2nsjri3xq6vif@linutronix.de> (raw)
In-Reply-To: <20200320085527.23861-4-dave@stgolabs.net>

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

      reply	other threads:[~2020-03-20  9:20 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-18 20:43 [patch V2 00/15] Lock ordering documentation and annotation for lockdep Thomas Gleixner
2020-03-18 20:43 ` [patch V2 01/15] PCI/switchtec: Fix init_completion race condition with poll_wait() Thomas Gleixner
2020-03-18 21:25   ` Bjorn Helgaas
2020-03-18 20:43 ` [patch V2 02/15] pci/switchtec: Replace completion wait queue usage for poll Thomas Gleixner
2020-03-18 21:26   ` Bjorn Helgaas
2020-03-18 22:11   ` Logan Gunthorpe
2020-03-18 20:43 ` [patch V2 03/15] usb: gadget: Use completion interface instead of open coding it Thomas Gleixner
2020-03-19  8:41   ` Greg Kroah-Hartman
2020-03-18 20:43 ` [patch V2 04/15] orinoco_usb: Use the regular completion interfaces Thomas Gleixner
2020-03-19  8:40   ` Greg Kroah-Hartman
2020-03-18 20:43 ` [patch V2 05/15] acpi: Remove header dependency Thomas Gleixner
2020-03-18 20:43 ` [patch V2 06/15] rcuwait: Add @state argument to rcuwait_wait_event() Thomas Gleixner
2020-03-20  5:36   ` Davidlohr Bueso
2020-03-20  8:45     ` Sebastian Andrzej Siewior
2020-03-20  8:58       ` Davidlohr Bueso
2020-03-20  9:48   ` [PATCH 0/5] Remove mm.h from arch/*/include/asm/uaccess.h Sebastian Andrzej Siewior
2020-03-20  9:48     ` [PATCH 1/5] nds32: Remove mm.h from asm/uaccess.h Sebastian Andrzej Siewior
2020-03-20  9:48     ` [PATCH 2/5] csky: " Sebastian Andrzej Siewior
2020-03-21 11:24       ` Guo Ren
2020-03-21 12:08         ` Thomas Gleixner
2020-03-21 14:11           ` Guo Ren
2020-03-20  9:48     ` [PATCH 3/5] hexagon: " Sebastian Andrzej Siewior
2020-03-20  9:48     ` [PATCH 4/5] ia64: " Sebastian Andrzej Siewior
2020-03-20  9:48     ` [PATCH 5/5] microblaze: " Sebastian Andrzej Siewior
2020-03-18 20:43 ` [patch V2 07/15] powerpc/ps3: Convert half completion to rcuwait Thomas Gleixner
2020-03-19  9:00   ` Sebastian Andrzej Siewior
2020-03-19  9:18     ` Peter Zijlstra
2020-03-19  9:21   ` Davidlohr Bueso
2020-03-19 10:04   ` Christoph Hellwig
2020-03-19 10:26     ` Sebastian Andrzej Siewior
2020-03-20  0:01       ` Geoff Levand
2020-03-20  0:45       ` Michael Ellerman
2020-03-21 10:41     ` Thomas Gleixner
2020-03-18 20:43 ` [patch V2 08/15] Documentation: Add lock ordering and nesting documentation Thomas Gleixner
2020-03-18 22:31   ` Paul E. McKenney
2020-03-19 18:02     ` Thomas Gleixner
2020-03-20 16:01       ` Paul E. McKenney
2020-03-20 19:51         ` Thomas Gleixner
2020-03-20 21:02           ` Paul E. McKenney
2020-03-20 22:36             ` Thomas Gleixner
2020-03-21  2:29               ` Paul E. McKenney
2020-03-21 10:26                 ` Thomas Gleixner
2020-03-21 17:23                   ` Paul E. McKenney
2020-03-19  8:51   ` Davidlohr Bueso
2020-03-19 15:04   ` Jonathan Corbet
2020-03-19 18:04     ` Thomas Gleixner
2020-03-21 21:21   ` Joel Fernandes
2020-03-21 21:49     ` Thomas Gleixner
2020-03-22  1:36       ` Joel Fernandes
2020-03-18 20:43 ` [patch V2 09/15] timekeeping: Split jiffies seqlock Thomas Gleixner
2020-03-18 20:43 ` [patch V2 10/15] sched/swait: Prepare usage in completions Thomas Gleixner
2020-03-18 20:43 ` [patch V2 11/15] completion: Use simple wait queues Thomas Gleixner
2020-03-18 22:28   ` Logan Gunthorpe
2020-03-19  0:33   ` Joel Fernandes
2020-03-19  0:44     ` Thomas Gleixner
2020-03-19  8:42   ` Greg Kroah-Hartman
2020-03-19 17:12   ` Linus Torvalds
2020-03-19 23:25   ` Julian Calaby
2020-03-20  6:59     ` Christoph Hellwig
2020-03-20  9:01   ` Davidlohr Bueso
2020-03-20  8:50 ` [patch V2 00/15] Lock ordering documentation and annotation for lockdep Davidlohr Bueso
2020-03-20  8:55 ` [PATCH 16/15] rcuwait: Get rid of stale name comment Davidlohr Bueso
2020-03-20  8:55   ` [PATCH 17/15] rcuwait: Inform rcuwait_wake_up() users if a wakeup was attempted Davidlohr Bueso
2020-03-20  9:13     ` Sebastian Andrzej Siewior
2020-03-20 10:44     ` Peter Zijlstra
2020-03-20  8:55   ` [PATCH 18/15] kvm: Replace vcpu->swait with rcuwait Davidlohr Bueso
2020-03-20 11:20     ` Paolo Bonzini
2020-03-20 12:54     ` Peter Zijlstra
2020-03-22 16:33       ` Davidlohr Bueso
2020-03-22 22:32         ` Peter Zijlstra
2020-03-20  8:55   ` [PATCH 19/15] sched/swait: Reword some of the main description Davidlohr Bueso
2020-03-20  9:19     ` Sebastian Andrzej Siewior [this message]

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