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 17/15] rcuwait: Inform rcuwait_wake_up() users if a wakeup was attempted
Date: Fri, 20 Mar 2020 10:13:41 +0100 [thread overview]
Message-ID: <20200320091341.fglhscnr3sixyzjs@linutronix.de> (raw)
In-Reply-To: <20200320085527.23861-2-dave@stgolabs.net>
On 2020-03-20 01:55:25 [-0700], Davidlohr Bueso wrote:
> Let the caller know if wake_up_process() was actually called or not;
> some users can use this information for ad-hoc. Of course returning
> true does not guarantee that wake_up_process() actually woke anything
> up.
Wouldn't it make sense to return wake_up_process() return value to know
if a change of state occurred or not?
Sebastian
WARNING: multiple messages have this Message-ID (diff)
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Davidlohr Bueso <dave@stgolabs.net>
Cc: rdunlap@infradead.org, peterz@infradead.org,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
joel@joelfernandes.org, will@kernel.org, mingo@kernel.org,
arnd@arndb.de, Davidlohr Bueso <dbueso@suse.de>,
torvalds@linux-foundation.org, paulmck@kernel.org,
linuxppc-dev@lists.ozlabs.org, rostedt@goodmis.org,
bhelgaas@google.com, kurt.schwemmer@microsemi.com,
kvalo@codeaurora.org, balbi@kernel.org,
gregkh@linuxfoundation.org, linux-usb@vger.kernel.org,
linux-wireless@vger.kernel.org, oleg@redhat.com,
tglx@linutronix.de, netdev@vger.kernel.org, logang@deltatee.com,
davem@davemloft.net
Subject: Re: [PATCH 17/15] rcuwait: Inform rcuwait_wake_up() users if a wakeup was attempted
Date: Fri, 20 Mar 2020 10:13:41 +0100 [thread overview]
Message-ID: <20200320091341.fglhscnr3sixyzjs@linutronix.de> (raw)
In-Reply-To: <20200320085527.23861-2-dave@stgolabs.net>
On 2020-03-20 01:55:25 [-0700], Davidlohr Bueso wrote:
> Let the caller know if wake_up_process() was actually called or not;
> some users can use this information for ad-hoc. Of course returning
> true does not guarantee that wake_up_process() actually woke anything
> up.
Wouldn't it make sense to return wake_up_process() return value to know
if a change of state occurred or not?
Sebastian
next prev parent reply other threads:[~2020-03-20 9:14 UTC|newest]
Thread overview: 148+ 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 ` 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 20:43 ` Thomas Gleixner
2020-03-18 21:25 ` Bjorn Helgaas
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 20:43 ` Thomas Gleixner
2020-03-18 21:26 ` Bjorn Helgaas
2020-03-18 21:26 ` Bjorn Helgaas
2020-03-18 22:11 ` Logan Gunthorpe
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
2020-03-18 20:43 ` Thomas Gleixner
2020-03-19 8:41 ` Greg Kroah-Hartman
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
2020-03-18 20:43 ` Thomas Gleixner
2020-03-19 8:40 ` Greg Kroah-Hartman
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 ` Thomas Gleixner
2020-03-18 20:43 ` [patch V2 06/15] rcuwait: Add @state argument to rcuwait_wait_event() Thomas Gleixner
2020-03-18 20:43 ` Thomas Gleixner
2020-03-20 5:36 ` Davidlohr Bueso
2020-03-20 5:36 ` Davidlohr Bueso
2020-03-20 8:45 ` Sebastian Andrzej Siewior
2020-03-20 8:45 ` Sebastian Andrzej Siewior
2020-03-20 8:58 ` Davidlohr Bueso
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 ` 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 ` Sebastian Andrzej Siewior
2020-03-20 9:48 ` [PATCH 2/5] csky: " Sebastian Andrzej Siewior
2020-03-20 9:48 ` Sebastian Andrzej Siewior
2020-03-21 11:24 ` Guo Ren
2020-03-21 11:24 ` Guo Ren
2020-03-21 12:08 ` Thomas Gleixner
2020-03-21 12:08 ` Thomas Gleixner
2020-03-21 14:11 ` Guo Ren
2020-03-21 14:11 ` Guo Ren
2020-03-20 9:48 ` [PATCH 3/5] hexagon: " Sebastian Andrzej Siewior
2020-03-20 9:48 ` Sebastian Andrzej Siewior
2020-03-20 9:48 ` [PATCH 4/5] ia64: " Sebastian Andrzej Siewior
2020-03-20 9:48 ` Sebastian Andrzej Siewior
2020-03-20 9:48 ` Sebastian Andrzej Siewior
2020-03-20 9:48 ` [PATCH 5/5] microblaze: " Sebastian Andrzej Siewior
2020-03-20 9:48 ` Sebastian Andrzej Siewior
2020-03-18 20:43 ` [patch V2 07/15] powerpc/ps3: Convert half completion to rcuwait Thomas Gleixner
2020-03-18 20:43 ` Thomas Gleixner
2020-03-19 9:00 ` Sebastian Andrzej Siewior
2020-03-19 9:00 ` Sebastian Andrzej Siewior
2020-03-19 9:18 ` Peter Zijlstra
2020-03-19 9:18 ` Peter Zijlstra
2020-03-19 9:21 ` Davidlohr Bueso
2020-03-19 9:21 ` Davidlohr Bueso
2020-03-19 10:04 ` Christoph Hellwig
2020-03-19 10:04 ` Christoph Hellwig
2020-03-19 10:26 ` Sebastian Andrzej Siewior
2020-03-19 10:26 ` Sebastian Andrzej Siewior
2020-03-20 0:01 ` Geoff Levand
2020-03-20 0:01 ` Geoff Levand
2020-03-20 0:45 ` Michael Ellerman
2020-03-20 0:45 ` Michael Ellerman
2020-03-21 10:41 ` Thomas Gleixner
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 20:43 ` Thomas Gleixner
2020-03-18 22:31 ` Paul E. McKenney
2020-03-18 22:31 ` Paul E. McKenney
2020-03-19 18:02 ` Thomas Gleixner
2020-03-19 18:02 ` Thomas Gleixner
2020-03-20 16:01 ` Paul E. McKenney
2020-03-20 16:01 ` Paul E. McKenney
2020-03-20 19:51 ` Thomas Gleixner
2020-03-20 19:51 ` Thomas Gleixner
2020-03-20 21:02 ` Paul E. McKenney
2020-03-20 21:02 ` Paul E. McKenney
2020-03-20 22:36 ` Thomas Gleixner
2020-03-20 22:36 ` Thomas Gleixner
2020-03-21 2:29 ` Paul E. McKenney
2020-03-21 2:29 ` Paul E. McKenney
2020-03-21 10:26 ` Thomas Gleixner
2020-03-21 10:26 ` Thomas Gleixner
2020-03-21 17:23 ` Paul E. McKenney
2020-03-21 17:23 ` Paul E. McKenney
2020-03-19 8:51 ` Davidlohr Bueso
2020-03-19 8:51 ` Davidlohr Bueso
2020-03-19 15:04 ` Jonathan Corbet
2020-03-19 15:04 ` Jonathan Corbet
2020-03-19 18:04 ` Thomas Gleixner
2020-03-19 18:04 ` Thomas Gleixner
2020-03-21 21:21 ` Joel Fernandes
2020-03-21 21:21 ` Joel Fernandes
2020-03-21 21:49 ` Thomas Gleixner
2020-03-21 21:49 ` Thomas Gleixner
2020-03-22 1:36 ` Joel Fernandes
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 ` Thomas Gleixner
2020-03-18 20:43 ` [patch V2 10/15] sched/swait: Prepare usage in completions Thomas Gleixner
2020-03-18 20:43 ` Thomas Gleixner
2020-03-18 20:43 ` [patch V2 11/15] completion: Use simple wait queues Thomas Gleixner
2020-03-18 20:43 ` Thomas Gleixner
2020-03-18 22:28 ` Logan Gunthorpe
2020-03-18 22:28 ` Logan Gunthorpe
2020-03-19 0:33 ` Joel Fernandes
2020-03-19 0:33 ` Joel Fernandes
2020-03-19 0:44 ` Thomas Gleixner
2020-03-19 0:44 ` Thomas Gleixner
2020-03-19 8:42 ` Greg Kroah-Hartman
2020-03-19 8:42 ` Greg Kroah-Hartman
2020-03-19 17:12 ` Linus Torvalds
2020-03-19 17:12 ` Linus Torvalds
2020-03-19 23:25 ` Julian Calaby
2020-03-19 23:25 ` Julian Calaby
2020-03-20 6:59 ` Christoph Hellwig
2020-03-20 6:59 ` Christoph Hellwig
2020-03-20 9:01 ` Davidlohr Bueso
2020-03-20 9:01 ` Davidlohr Bueso
2020-03-18 20:43 ` [patch V2 13/15] lockdep: Add hrtimer context tracing bits Thomas Gleixner
2020-03-18 20:43 ` [patch V2 14/15] lockdep: Annotate irq_work Thomas Gleixner
2020-03-18 20:43 ` [patch V2 15/15] lockdep: Add posixtimer context tracing bits Thomas Gleixner
2020-03-20 8:50 ` [patch V2 00/15] Lock ordering documentation and annotation for lockdep Davidlohr Bueso
2020-03-20 8:50 ` Davidlohr Bueso
2020-03-20 8:55 ` [PATCH 16/15] rcuwait: Get rid of stale name comment Davidlohr Bueso
2020-03-20 8:55 ` 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 8:55 ` Davidlohr Bueso
2020-03-20 9:13 ` Sebastian Andrzej Siewior [this message]
2020-03-20 9:13 ` Sebastian Andrzej Siewior
2020-03-20 10:44 ` Peter Zijlstra
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 8:55 ` Davidlohr Bueso
2020-03-20 11:20 ` Paolo Bonzini
2020-03-20 11:20 ` Paolo Bonzini
2020-03-20 12:54 ` Peter Zijlstra
2020-03-20 12:54 ` Peter Zijlstra
2020-03-22 16:33 ` Davidlohr Bueso
2020-03-22 16:33 ` Davidlohr Bueso
2020-03-22 22:32 ` Peter Zijlstra
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 8:55 ` Davidlohr Bueso
2020-03-20 9:19 ` Sebastian Andrzej Siewior
2020-03-20 9:19 ` Sebastian Andrzej Siewior
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