Peter Wemm writes:
> Eww! Care to confirm that the following works? I was going to just commit
> it since it is pretty obvious, but a brief sanity check would probably
> be an idea. (beware, xterm cut/paste whitespace damage).
> ddb runs with interrupts disabled and the other cpus halted. We could not
> get the 'ack' from the IPI. The panic was real - you'd have locked up hard
> if it had not triggered.
> db_write_bytes temporarily changes a local cpu mapping and changes it back
> while everything else is frozen. We do not need to do a coherent invalidate.
That seems to work. Thanks!
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