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From: Andriy Gapon <avg@FreeBSD.org>
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To: Dimitry Andric <dim@FreeBSD.org>
Subject: Re: clang compiled kernel panic when mounting zfs root on i386
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Cc: Volodymyr Kostyrko <c.kworr@gmail.com>, freebsd-current@FreeBSD.org,
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on 12/12/2012 21:35 Dimitry Andric said the following:
> Especially the recursive spa_load and traverse_visitbp calls are scary,
> because that can grow out of hand very quickly.  It is probably tricky
> to remove the recursion...

Re-entering spa_load once is normal and is expected.
traverse_visitbp is also expected to recurse depending on data layout.
So yeah, it's probably even trickier than teaching clang to allocate smaller stack
frames ;-)

-- 
Andriy Gapon