From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail143.messagelabs.com (mail143.messagelabs.com [216.82.254.35]) by kanga.kvack.org (Postfix) with SMTP id F3B376B0087 for ; Thu, 23 Dec 2010 01:35:32 -0500 (EST) Date: Thu, 23 Dec 2010 13:10:47 +0800 From: Shaohui Zheng Subject: Re: [6/7, v9] NUMA Hotplug Emulator: Fake CPU socket with logical CPU on x86 Message-ID: <20101223051047.GA13060@shaohui> References: <20101210073119.156388875@intel.com> <20101210073242.773689101@intel.com> <20101222162732.bef6904e.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20101222162732.bef6904e.akpm@linux-foundation.org> Sender: owner-linux-mm@kvack.org To: Andrew Morton Cc: shaohui.zheng@intel.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, haicheng.li@linux.intel.com, lethal@linux-sh.org, ak@linux.intel.com, rientjes@google.com, dave@linux.vnet.ibm.com, gregkh@suse.de, Sam Ravnborg , Haicheng Li List-ID: On Wed, Dec 22, 2010 at 04:27:32PM -0800, Andrew Morton wrote: > > static struct task_struct *idle_thread_array[NR_CPUS] __cpuinitdata ; > > @@ -198,6 +200,8 @@ > > { > > int cpuid, phys_id; > > unsigned long timeout; > > + u8 cpu_probe_on = 0; > > Unneeded initialisation. > > Does this cause an unused var warning when > CONFIG_ARCH_CPU_PROBE_RELEASE=n? > I am trying to avoid too much ifdef here, it seems it take an unused var warining when CONFIG_ARCH_CPU_PROBE_RELEASE=n. good catching. I will figure out a better method. > > + struct cpuinfo_x86 *c; > > > > /* > > * If waken up by an INIT in an 82489DX configuration > > > > ... > > > > +#ifdef CONFIG_ARCH_CPU_PROBE_RELEASE > > +/* > > + * Put the logical cpu into a new sokect, and encapsule it into core 0. > > That comment needs help. > Agree, the comment is too simple, should add better documents for function fake_cpu_socket_info. -- Thanks & Regards, Shaohui -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: email@kvack.org