Messages in this thread | | | Date | Sat, 9 Feb 2002 11:32:26 -0800 (PST) | From | Linus Torvalds <> | Subject | Re: [RFC] New locking primitive for 2.5 |
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On Fri, 8 Feb 2002, Benjamin Herrenschmidt wrote: > > At least PPC32 can't do that without a spinlock_irq
We don't need to be irq-safe for this, though. Just specify it to be process safe - which means that on UP it boils down to at most maybe having to protect against preemption.
Linus
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