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Re: Is it possible to reset non-zero cpus in kernel?

To: "wilbur.chan" <wilbur512@gmail.com>
Subject: Re: Is it possible to reset non-zero cpus in kernel?
From: Ralf Baechle <ralf@linux-mips.org>
Date: Wed, 25 Nov 2009 15:42:02 +0000
Cc: linux-mips@linux-mips.org
In-reply-to: <e997b7420911250712n3380225racdaad413c5b0b53@mail.gmail.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <e997b7420911250712n3380225racdaad413c5b0b53@mail.gmail.com>
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On Wed, Nov 25, 2009 at 11:12:07PM +0800, wilbur.chan wrote:

> Does anyone here has ever used a mips XLR machine?
> 
> 
> Though xlr arch is not supported by kernel source tree, I hope there
> might be someone using xlr on this maillst ,plz help.

And I hope RMI / Netlogic will change their mind on this ...

> In a mips64 arch, is it possible to reset all the cores ,except for
> NO.0 core , into the 'msgwait' state?

The MIPS64 architecture specification doesn't cover how to trigger a reset
signal to a processor.  Iow this is system specific; check the XLR
documentation.

  Ralf

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