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By dotCore
via lwn.net
Submitted: May 10 2013 / 00:59

Developers wanting to add new locking primitives to the kernel tend to be received with a certain amount of skepticism. The kernel is already well equipped with locking mechanisms, and experience shows that new mechanisms tend to be both unnecessary and hard to get right. The "wait/wound mutex mechanism" proposed by Maarten Lankhorst may well get that kind of response. But it is an interesting approach to a specific locking problem that merits a closer look.
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