From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from g1t0027.austin.hp.com (g1t0027.austin.hp.com [15.216.28.34]) (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 4607D2C009E for ; Sat, 31 Aug 2013 00:35:09 +1000 (EST) Message-ID: <1377873212.10300.877.camel@misato.fc.hp.com> Subject: Re: [PATCH v2 0/4] Unify CPU hotplug lock interface From: Toshi Kani To: Yasuaki Ishimatsu Date: Fri, 30 Aug 2013 08:33:32 -0600 In-Reply-To: <522006F6.2060206@jp.fujitsu.com> References: <1377822129-4143-1-git-send-email-toshi.kani@hp.com> <522006F6.2060206@jp.fujitsu.com> 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, rjw@sisk.pl, linux-acpi@vger.kernel.org, mingo@redhat.com, srivatsa.bhat@linux.vnet.ibm.com, nfont@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 11:44 +0900, Yasuaki Ishimatsu wrote: > (2013/08/30 9:22), 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(). > > > > v2: > > - Rebased to the pm tree, bleeding-edge. > > - Changed patch 2/4 to use lock_device_hotplug_sysfs(). > > > > --- > > Toshi Kani (4): > > hotplug, x86: Fix online state in cpu0 debug interface > > hotplug, x86: Add hotplug lock to missing places > > hotplug, x86: Disable ARCH_CPU_PROBE_RELEASE on x86 > > hotplug, powerpc, x86: Remove cpu_hotplug_driver_lock() > > > > --- > The patch-set looks good to me. > > Acked-by: Yasuaki Ishimatsu Thanks Yasuaki! -Toshi