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(parent: edc541e) | patch
powerpc/book3s64/pkeys: Don't update SPRN_AMR when in kernel mode.
authorAneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Fri, 27 Nov 2020 04:44:16 +0000 (10:14 +0530)
committerMichael Ellerman <mpe@ellerman.id.au>
Thu, 3 Dec 2020 14:01:26 +0000 (01:01 +1100)
commit48a8ab4eeb8271f2a0e2ca3cf80844a59acca153
treeec0ff290cbe68d27cdb8d46c4f489405fbf3db6ftree
parentedc541ecaae73d498a49b9ca82bc66255d9e0720commit | diff
powerpc/book3s64/pkeys: Don't update SPRN_AMR when in kernel mode.

Now that kernel correctly store/restore userspace AMR/IAMR values, avoid
manipulating AMR and IAMR from the kernel on behalf of userspace.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Reviewed-by: Sandipan Das <sandipan@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201127044424.40686-15-aneesh.kumar@linux.ibm.com
arch/powerpc/include/asm/book3s/64/kup.h diff | blob | history
arch/powerpc/include/asm/processor.h diff | blob | history
arch/powerpc/kernel/process.c diff | blob | history
arch/powerpc/kernel/traps.c diff | blob | history
arch/powerpc/mm/book3s64/pkeys.c diff | blob | history
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