David Gibson wrote:
> First on icache flushing. I noticed that flush_icache_page() has been
> changed to a no-op, wheras it used to flush the whole icache on 4xx.
It is now done when we detect a PTE change that affects an executable
region.
> Now two questions on tlb flushing. First, 4xx uses a __tlbia() macro
> in local_flush_tlb_*(). Is there a reason we don't use the _tlbia()
> function already included in misc.S?
I dunno, avoids the function call? We keep swapping between macros
and functions. Whatever.
> ... Is this a bug, or am I missing something?
I thought I checked that in....maybe it's still hanging out in my
with a bunch of other random 4xx patches. I'll look again.
-- Dan
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