summaryrefslogtreecommitdiff
path: root/include/linux/hugetlb.h
diff options
context:
space:
mode:
authorAneesh Kumar K.V <aneesh.kumar@linux.ibm.com>2019-03-05 15:46:33 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-03-05 21:07:18 -0800
commit5b323367ef2567dff0d3daff477186002754f0bd (patch)
tree48198967c06de704b46750342fdce8ec4677461d /include/linux/hugetlb.h
parent04a8645304500be88b3345b65fef7efe58016166 (diff)
arch/powerpc/mm: Nest MMU workaround for mprotect RW upgrade
NestMMU requires us to mark the pte invalid and flush the tlb when we do a RW upgrade of pte. We fixed a variant of this in the fault path in bd5050e38aec ("powerpc/mm/radix: Change pte relax sequence to handle nest MMU hang"). Do the same for mprotect upgrades. Hugetlb is handled in the next patch. Link: http://lkml.kernel.org/r/20190116085035.29729-4-aneesh.kumar@linux.ibm.com Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/hugetlb.h')
0 files changed, 0 insertions, 0 deletions