From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from g1t0028.austin.hp.com (g1t0028.austin.hp.com [15.216.28.35]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "smtp.hp.com", Issuer "VeriSign Class 3 Secure Server CA - G3" (not verified)) by ozlabs.org (Postfix) with ESMTPS id D4C2A2C0090 for ; Fri, 30 Aug 2013 10:14:01 +1000 (EST) Message-ID: <1377821542.10300.869.camel@misato.fc.hp.com> Subject: Re: [PATCH 0/4] Unify CPU hotplug lock interface From: Toshi Kani To: "Rafael J. Wysocki" Date: Thu, 29 Aug 2013 18:12:22 -0600 In-Reply-To: <21553065.6VHCMzStpF@vostro.rjw.lan> References: <1376768819-28975-1-git-send-email-toshi.kani@hp.com> <1449558.tneKXFMIWE@vostro.rjw.lan> <1377796510.10300.868.camel@misato.fc.hp.com> <21553065.6VHCMzStpF@vostro.rjw.lan> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Cc: fenghua.yu@intel.com, bp@suse.de, gregkh@linuxfoundation.org, x86@kernel.org, linux-kernel@vger.kernel.org, isimatu.yasuaki@jp.fujitsu.com, mingo@redhat.com, srivatsa.bhat@linux.vnet.ibm.com, tglx@linutronix.de, hpa@linux.intel.com, linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, 2013-08-30 at 02:06 +0200, Rafael J. Wysocki wrote: > On Thursday, August 29, 2013 11:15:10 AM Toshi Kani wrote: > > On Sun, 2013-08-18 at 03:02 +0200, Rafael J. Wysocki wrote: > > > On Saturday, August 17, 2013 01:46:55 PM Toshi Kani wrote: > > > > lock_device_hotplug() was recently introduced to serialize CPU & Memory > > > > online/offline and hotplug operations, along with sysfs online interface > > > > restructure (commit 4f3549d7). With this new locking scheme, > > > > cpu_hotplug_driver_lock() is redundant and is no longer necessary. > > > > > > > > This patchset makes sure that lock_device_hotplug() covers all CPU online/ > > > > offline interfaces, and then removes cpu_hotplug_driver_lock(). > > > > > > > > The patchset is based on Linus's tree, 3.11.0-rc5. > > > > > > Nice series, thanks a lot for taking care of this! > > > > Hi Rafael, > > > > Per the recent your changes in lock_device_hotplug(), do you think it > > makes sense to integrate this patchset into your tree? I am also > > considering to add one more patch to use lock_device_hotplug_sysfs() in > > cpu_probe_store(). I will rebase to your tree and send them today if it > > makes sense to you. > > Yes, it does to me. Great! I will send them shortly. Thanks, -Toshi