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(parent: e21fc93) | patch
powerpc/mm: Clear top 16 bits of va only on older cpus
authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Wed, 13 Jul 2016 09:35:24 +0000 (15:05 +0530)
committerMichael Ellerman <mpe@ellerman.id.au>
Sun, 17 Jul 2016 06:42:52 +0000 (16:42 +1000)
commitaccfad7d0a85c5678eef76083972426032d64469
tree0c0575e8e8d17cd005ecf8b90619488bc6b2faf1tree | snapshot (tar.gz zip)
parente21fc93b7020905c9f3672969ddd276aa152b9b7commit | diff
powerpc/mm: Clear top 16 bits of va only on older cpus

As per ISA, we need to do this only for architecture version 2.02 and
earlier. This continued to work even for 2.07. But let's not do this for
anything after 2.02. ISA 3.0 requires these top bits to be not cleared.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Acked-by: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/include/asm/mmu.h diff | blob | blame | history
arch/powerpc/kernel/cputable.c diff | blob | blame | history
arch/powerpc/mm/hash_native_64.c diff | blob | blame | history