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Message-ID: <1389833903.31288.1.camel@concordia>
Subject: Re: powerpc/powernv: Call OPAL sync before kexec'ing
From: Michael Ellerman <michael@ellerman.id.au>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Thu, 16 Jan 2014 11:58:23 +1100
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On Wed, 2014-01-15 at 17:02 +1100, Benjamin Herrenschmidt wrote:
> From: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
>     
> Its possible that OPAL may be writing to host memory during
> kexec (like dump retrieve scenario). In this situation we might
> end up corrupting host memory.

Are we happy with that happening during kdump? (which doesn't call any of the
shutdown paths)

cheers