linux-kernel - Re: [PATCH v8 4/7] powerpc/85xx: add HOTPLUG

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Message-Id: <6D7449F5-A4C4-4E3F-AD47-CC103B9044ED@kernel.crashing.org>
Date:	Tue, 31 Jul 2012 09:24:46 -0500
From:	Kumar Gala <galak@...nel.crashing.org>
To:	Zhao Chenhui <chenhui.zhao@...escale.com>
Cc:	<linuxppc-dev@...ts.ozlabs.org>, <scottwood@...escale.com>,
	<linux-kernel@...r.kernel.org>, <leoli@...escale.com>
Subject: Re: [PATCH v8 4/7] powerpc/85xx: add HOTPLUG_CPU support


On Jul 20, 2012, at 7:42 AM, Zhao Chenhui wrote:

> Add support to disable and re-enable individual cores at runtime
> on MPC85xx/QorIQ SMP machines. Currently support e500v1/e500v2 core.
> 
> MPC85xx machines use ePAPR spin-table in boot page for CPU kick-off.
> This patch uses the boot page from bootloader to boot core at runtime.
> It supports 32-bit and 36-bit physical address.
> 
> Signed-off-by: Li Yang <leoli@...escale.com>
> Signed-off-by: Jin Qing <b24347@...escale.com>
> Signed-off-by: Zhao Chenhui <chenhui.zhao@...escale.com>
> ---
> arch/powerpc/Kconfig                  |    6 ++-
> arch/powerpc/include/asm/cacheflush.h |    2 +
> arch/powerpc/include/asm/smp.h        |    1 +
> arch/powerpc/kernel/head_fsl_booke.S  |   28 ++++++++++
> arch/powerpc/platforms/85xx/smp.c     |   90 ++++++++++++++++++++++++++++-----
> 5 files changed, 112 insertions(+), 15 deletions(-)

applied to next

- k--
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