>> Can these be cleaned up in any reasonable way?
>
> It needs some additional spinlock in there. People have moaned for over a
> year, patches have been floating about but nobody has taken the time to
> finish one off and submit it.
I considered it for x86-64 and even implemented it, but never submitted
in fear of deadlocks e.g. when an oops recurses. For this a
spinlock_timeout() would be useful. Print anyways when you cannot get the
lock in a second or two.
-Andi
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