From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7370DC4332B for ; Fri, 20 Mar 2020 09:13:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4C9C120752 for ; Fri, 20 Mar 2020 09:13:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726834AbgCTJN5 (ORCPT ); Fri, 20 Mar 2020 05:13:57 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:34846 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726726AbgCTJN5 (ORCPT ); Fri, 20 Mar 2020 05:13:57 -0400 Received: from bigeasy by Galois.linutronix.de with local (Exim 4.80) (envelope-from ) id 1jFDin-00007J-F3; Fri, 20 Mar 2020 10:13:41 +0100 Date: Fri, 20 Mar 2020 10:13:41 +0100 From: Sebastian Andrzej Siewior To: Davidlohr Bueso 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 Subject: Re: [PATCH 17/15] rcuwait: Inform rcuwait_wake_up() users if a wakeup was attempted Message-ID: <20200320091341.fglhscnr3sixyzjs@linutronix.de> References: <20200318204302.693307984@linutronix.de> <20200320085527.23861-1-dave@stgolabs.net> <20200320085527.23861-2-dave@stgolabs.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20200320085527.23861-2-dave@stgolabs.net> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org 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