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The SSR.MD status amongst other things are already made available, which
can be used for encoding a more precise fault code value.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This unifies the fast-path TLB miss handler, allowing for further cleanup
and eventual utilization of a shared _32/_64 handler.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This brings the sh64 version in line with the sh32 one with regards to
how errors are handled. Base work for further unification of the
implementations.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Now that we have a method for finding out if we're handling an ITLB fault
or not without passing it all the way down the chain, it's possible to
use the __update_tlb() interface in place of a special __do_tlb_refill().
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This moves the now generic _32 page fault handling code to a shared place
and adapts the _64 implementation to make use of it.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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