From: Shaohui Zheng <shaohui.zheng@linux.intel.com>
To: Andrew Morton <akpm@linux-foundation.org>
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 <sam@ravnborg.org>,
Haicheng Li <haicheng.li@intel.com>
Subject: Re: [6/7, v9] NUMA Hotplug Emulator: Fake CPU socket with logical CPU on x86
Date: Thu, 23 Dec 2010 13:10:47 +0800 [thread overview]
Message-ID: <20101223051047.GA13060@shaohui> (raw)
In-Reply-To: <20101222162732.bef6904e.akpm@linux-foundation.org>
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
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next prev parent reply other threads:[~2010-12-23 6:35 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-10 7:31 [0/7, v9] NUMA Hotplug Emulator (v9) shaohui.zheng
2010-12-10 7:31 ` [1/7, v9] NUMA Hotplug Emulator: Documentation shaohui.zheng
2010-12-10 7:31 ` [2/7, v9] NUMA Hotplug Emulator: Add numa=possible option shaohui.zheng
2010-12-23 0:27 ` Andrew Morton
2010-12-23 1:14 ` David Rientjes
2010-12-10 7:31 ` [3/7, v9] NUMA Hotplug Emulator: Add node hotplug emulation shaohui.zheng
2010-12-23 0:27 ` Andrew Morton
2010-12-23 1:38 ` David Rientjes
2010-12-23 2:20 ` Andrew Morton
2010-12-28 7:34 ` David Rientjes
2010-12-28 7:34 ` [patch] mm: add " David Rientjes
2010-12-29 2:31 ` [3/7, v9] NUMA Hotplug Emulator: Add " Zheng, Shaohui
2010-12-10 7:31 ` [4/7, v9] NUMA Hotplug Emulator: Abstract cpu register functions shaohui.zheng
2010-12-10 7:31 ` [5/7, v9] NUMA Hotplug Emulator: Support cpu probe/release in x86_64 shaohui.zheng
2010-12-16 16:25 ` Eric B Munson
2010-12-16 23:34 ` Shaohui Zheng
2010-12-23 0:27 ` Andrew Morton
2010-12-23 1:34 ` Shaohui Zheng
2010-12-23 3:21 ` Andrew Morton
2010-12-23 2:24 ` Shaohui Zheng
2010-12-23 5:28 ` Andrew Morton
2010-12-23 4:30 ` Shaohui Zheng
2010-12-10 7:31 ` [6/7, v9] NUMA Hotplug Emulator: Fake CPU socket with logical CPU on x86 shaohui.zheng
2010-12-23 0:27 ` Andrew Morton
2010-12-23 5:10 ` Shaohui Zheng [this message]
2010-12-10 7:31 ` [7/7, v9] NUMA Hotplug Emulator: Implement per-node add_memory debugfs interface shaohui.zheng
2010-12-23 0:27 ` Andrew Morton
2010-12-23 2:00 ` Shaohui Zheng
2011-02-22 22:31 ` [0/7, v9] NUMA Hotplug Emulator (v9) David Rientjes
2011-02-23 3:29 ` Haicheng Li
2011-02-23 5:29 ` Zhang, Yang Z
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