sh: NO_CONTEXT ASID optimizations for SH-4 cache flush.

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This optimizes for the cases when a CPU does not yet have a valid ASID
context associated with it, as in this case there is no work for any of
flush_cache_mm()/flush_cache_page()/flush_cache_range() to do. Based on
the the MIPS implementation.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

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Paul Mundt 2009-08-15 02:21:16 +09:00

parent 795687265d

commit e7b8b7f16e

1 changed files with 9 additions and 0 deletions

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arch/sh/mm/cache-sh4.c

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