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authorNicholas Piggin <npiggin@gmail.com>2018-06-01 20:01:18 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2018-06-03 20:40:35 +1000
commit68662f85f3c3ea8a6fb61586a05955ab51bbb9e6 (patch)
tree546d2ada5dd5d7e9fe1901285f23c9df67d0b224 /arch/powerpc/include/asm/cacheflush.h
parentf569bd94efc821f485cb4742858fdfe16f03c201 (diff)
powerpc/64s/radix: prefetch user address in update_mmu_cache
Prefetch the faulting address in update_mmu_cache to give the page table walker perhaps 100 cycles head start as locks are dropped and the interrupt completed. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/cacheflush.h')
0 files changed, 0 insertions, 0 deletions