powerpc/mm/radix: Add a kernel command line to disable radix
authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Wed, 13 Jul 2016 09:35:31 +0000 (15:05 +0530)
committerMichael Ellerman <mpe@ellerman.id.au>
Sun, 17 Jul 2016 06:42:55 +0000 (16:42 +1000)
commitb275bfb2696387be216db5b7372ee9dcf3f05b80
tree86e47bb902cc99d0da9273625188cce36989e728
parent912cc87a654d3d30f5da6220489a97a5beb7d313
powerpc/mm/radix: Add a kernel command line to disable radix

This patch adds the kernel command line disable_radix which disable
the radix MMU mode even if firmware indicates radix support via
ibm,pa-features device tree node.

This helps in testing different MMU mode easily.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Documentation/kernel-parameters.txt
arch/powerpc/kernel/prom.c