RE: [PATCH 1/2] printk: add interface for disabling recursion check

[Luck, Tony]

+void printk_recursion_check_enable(void)
+{
+	atomic_dec(&recursion_check_disabled);
+}


Is it worth a BUG_ON() in here to check that recursion_check_disabled
is >=1 before blindly decrementing it? Or is this interface so simple
that nobody would ever get this wrong?

-Tony
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