linux-kernel - RE: [PATCH 0/8] Online/offline BSP on x86

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Date:	Wed, 5 Oct 2011 12:22:32 -0700
From:	"Yu, Fenghua" <fenghua.yu@...el.com>
To:	Peter Zijlstra <peterz@...radead.org>
CC:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	H Peter Anvin <hpa@...or.com>,
	"Luck, Tony" <tony.luck@...el.com>,
	"Mallick, Asit K" <asit.k.mallick@...el.com>,
	"Siddha, Suresh B" <suresh.b.siddha@...el.com>,
	"Brown, Len" <len.brown@...el.com>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 0/8] Online/offline BSP on x86



> -----Original Message-----
> From: Peter Zijlstra [mailto:peterz@...radead.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.

Thanks.

-Fenghua