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(parent: 3350eb2) | patch
powerpc/mm: Invalidate subpage_prot() system call on radix platforms
authorAnshuman Khandual <khandual@linux.vnet.ibm.com>
Mon, 4 Dec 2017 05:49:22 +0000 (11:19 +0530)
committerMichael Ellerman <mpe@ellerman.id.au>
Sat, 20 Jan 2018 14:12:21 +0000 (01:12 +1100)
commit5b2b80714796073ec9e196c7aeec59b7489fe676
treede4059bac5d83c4e9788c05c3ec941244e98182etree | snapshot
parent3350eb2ea127978319ced883523d828046af4045commit | diff
powerpc/mm: Invalidate subpage_prot() system call on radix platforms

Radix enabled platforms don't support subpage_prot() system calls. But
at present the system call goes through without an error and fails
later on while validating expected subpage accesses. Lets not allow
the system call on powerpc radix platforms to begin with to prevent
this confusion in user space.

Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/mm/subpage-prot.c diff | blob | history
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