[kernel, v2] powerpc/mm: Flush radix process translations when setting MMU type

[Michael Ellerman]

On Thu, 2018-02-01 at 05:09:44 UTC, Alexey Kardashevskiy wrote:
> Radix guests do normally invalidate process-scoped translations when
> a new pid is allocated but migrated guests do not invalidate these so
> migrated guests crash sometime, especially easy to reproduce with
> migration happening within first 10 seconds after the guest boot start on
> the same machine.
> 
> This adds the "Invalidate process-scoped translations" flush to fix
> radix guests migration.
> 
> Signed-off-by: Alexey Kardashevskiy <aik at ozlabs.ru>
> Tested-by: Laurent Vivier <lvivier at redhat.com>
> Tested-by: Daniel Henrique Barboza <danielhb at linux.vnet.ibm.com>

Applied to powerpc fixes, thanks.

https://git.kernel.org/powerpc/c/62e984ddfd6b056d399e24113f5e6a

cheers