Messages in this thread | | | Date | Sat, 3 Jan 2009 20:30:44 +0000 | From | Alan Cox <> | Subject | Re: atomics: document that linux expects certain atomic behaviour from unsigned long |
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> If it is okay and linux relies on it, it should be documented. > > If it is not okay, I guess we should document it, too -- it seems to > be common mistake.
A lot of old code did it knowing it was under the BKL, outside of the BKL its a very bad idea. There were lots of them in the tty layer and I don't doubt there are some left I missed too 8(
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