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H A D | radix_tlb.c | abf0878c Tue May 24 21:23:56 CDT 2022 Nicholas Piggin <npiggin@gmail.com> powerpc/64s: POWER10 nest MMU does not require flush escalation workaround
Per (non-public) Nest MMU Workbook, POWER10 and POWER9P NMMU does not cache PTEs in PWC, so does not require PWC flush to invalidate these translations.
Skip the workaround on POWER10 and later.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220525022358.780745-2-npiggin@gmail.com
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