Nicholas Piggin 85bcfaf69c powerpc/64s/radix: optimise pte_update ... Implementing pte_update with pte_xchg (which uses cmpxchg) is inefficient. A single larx/stcx. works fine, no need for the less efficient cmpxchg sequence. Then remove the memory barriers from the operation. There is a requirement for TLB flushing to load mm_cpumask after the store that reduces pte permissions, which is moved into the TLB flush code. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>		2018-06-03 20:40:36 +10:00
..
32	powerpc/mm/radix: Change pte relax sequence to handle nest MMU hang	2018-06-03 20:40:34 +10:00
64	powerpc/64s/radix: optimise pte_update	2018-06-03 20:40:36 +10:00
pgalloc.h	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
pgtable.h	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00