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authorSuraj Jitindar Singh <sjitindarsingh@gmail.com>2017-02-28 17:03:47 +1100
committerMichael Ellerman <mpe@ellerman.id.au>2017-03-06 21:44:08 +1100
commit12cc9fd6b2d8ee307a735b3b9faed0d17b719463 (patch)
tree8af6ff63d0cf4b3fa2fbaf1bbd6ef0481b4c073f /arch/powerpc/mm/init_64.c
parenta69e2fb70350a66f91175cd2625f1e8215c5b6e9 (diff)
powerpc: Parse the command line before calling CAS
On POWER9 the hypervisor requires the guest to decide whether it would like to use a hash or radix mmu model at the time it calls ibm,client-architecture-support (CAS) based on what the hypervisor has said it's allowed to do. It is possible to disable radix by passing "disable_radix" on the command line. The next patch will add support for the new CAS format, thus we need to parse the command line before calling CAS so we can correctly select which mmu we would like to use. Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com> Reviewed-by: Paul Mackerras <paulus@ozlabs.org> Acked-by: Balbir Singh <bsingharora@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm/init_64.c')
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