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Subject: RE: [PATCH 0/8] Online/offline BSP on x86
From: Peter Zijlstra <peterz@infradead.org>
To: "Yu, Fenghua" <fenghua.yu@intel.com>
Cc: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
        H Peter Anvin <hpa@zytor.com>, "Luck, Tony" <tony.luck@intel.com>,
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        "Siddha, Suresh B" <suresh.b.siddha@intel.com>,
        "Brown, Len" <len.brown@intel.com>,
        linux-kernel <linux-kernel@vger.kernel.org>
Date: Wed, 05 Oct 2011 21:28:04 +0200
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On Wed, 2011-10-05 at 12:22 -0700, Yu, Fenghua wrote:
> 
> > -----Original Message-----
> > From: Peter Zijlstra [mailto:peterz@infradead.org]
> > Sent: Wednesday, October 05, 2011 12:17 PM
> > To: Yu, Fenghua
> > Cc: Ingo Molnar; Thomas Gleixner; H Peter Anvin; Zwane Mwaikambo; Luck,
> > Tony; Mallick, Asit K; Siddha, Suresh B; Len Brown; linux-kernel
> > Subject: Re: [PATCH 0/8] Online/offline BSP on x86
> > 
> > On Wed, 2011-10-05 at 09:39 -0700, Fenghua Yu wrote:
> > >
> > > BSP or CPU0 has been the last obstacle to CPU hotplug on x86. This
> > patch set
> > > implements BSP online and offline and removes this obstacle to CPU
> > hotplug.
> > 
> > Are you talking about physical cpu hotplug on x86? And you need to
> > offline the BSP so you can replace socket0 ?
> 
> 
> This patch set is for BSP online/offline.

Yes, I got that part. Why do you care?