powerpc/mm/radix: Add a kernel command line to disable radix

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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>

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Aneesh Kumar K.V 2016-07-13 15:05:31 +05:30 • committed by Michael Ellerman

parent 912cc87a65

commit b275bfb269

2 changed files with 16 additions and 0 deletions

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3

Documentation/kernel-parameters.txt

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13

arch/powerpc/kernel/prom.c

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