On Thu, 2014-01-16 at 11:58 +1100, Michael Ellerman wrote:
> On Wed, 2014-01-15 at 17:02 +1100, Benjamin Herrenschmidt wrote:
> > From: Vasant Hegde
> >
> > Its possible that OPAL may be writing to host memory during
> > kexec (like dump retrieve scenario). In this situation we might
> > end
On Wed, 2014-01-15 at 17:02 +1100, Benjamin Herrenschmidt wrote:
> From: Vasant Hegde
>
> 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 kdu
From: Vasant Hegde
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.
This patch makes OPAL sync call to make sure OPAL stops
writing to host memory before kexec'ing.
Signed-off-b