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sparc64: Fix top-level fault handling bugs.
Make get_user_insn() able to cope with huge PMDs. Next, make do_fault_siginfo() more robust when get_user_insn() can't actually fetch the instruction. In particular, use the MMU announced fault address when that happens, instead of calling compute_effective_address() and computing garbage. Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller
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May 4, 2014
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