Re: powerpc/powernv: Call OPAL sync before kexec'ing

2014-01-15 Thread Benjamin Herrenschmidt
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

Re: powerpc/powernv: Call OPAL sync before kexec'ing

2014-01-15 Thread Michael Ellerman
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