nios2: flush_tlb_all use TLBMISC way auto-increment feature

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Writes to TLBACC cause TLBMISC way to be incremented, which can be
used to iterate over ways in a set, then wrap back to zero ready for
the next set. This reduces register writes significantly.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>

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Nicholas Piggin 2018-11-07 10:21:02 +08:00 • committed by Ley Foon Tan

parent c6b1d363f8

commit 737a3fa20f

1 changed files with 5 additions and 6 deletions

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arch/nios2/mm/tlb.c

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