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MIPS: tlbex: Remove cpu_has_local_ebase
The cpu_has_local_ebase macro is, confusingly, not used to indicate whether the EBase register is local to a CPU or not. Instead it indicates whether we want to generate the TLB refill exception vector each time a CPU is brought online. Doing this makes little sense on any system, since we always use the same value for EBase & thus we cannot have different TLB refill exception handlers per CPU. Regenerating the code is not only pointless but also can be actively harmful, as commit 8759934e ("MIPS: Build uasm-generated code only once to avoid CPU Hotplug problem") described. That commit introduced cpu_has_local_ebase to disable the handler regeneration for Loongson machines, but this is by no means a Loongson-specific problem. Remove cpu_has_local_ebase & simply generate the TLB refill handler once during boot, just like the rest of the TLB exception handlers. Signed-off-by:Paul Burton <paul.burton@mips.com> Reviewed-by: