tree 2609a216f280aecc8684a9dac4555830d1f794df
parent 505e428374bc17a2c0bd388c2e8d892e9cd8eef2
author Greg Kurz <gkurz@linux.vnet.ibm.com> 1418384260 +0100
committer Michael Ellerman <mpe@ellerman.id.au> 1418893161 +1100

powerpc/powernv: Ignore smt-enabled on Power8 and later

Starting with POWER8, the subcore logic relies on all threads of a core
being booted so that they can participate in split mode switches. So on
those machines we ignore the smt_enabled_at_boot setting (smt-enabled on
the kernel command line).

Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
[mpe: Update comment and change log to be more precise]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>