Messages in this thread | | | Date | Thu, 7 Sep 2000 09:53:50 -0700 (PDT) | From | Linus Torvalds <> | Subject | Re: spin_lock forgets to clobber memory and other smp fixes [was Re: [patch] waitqueue optimization, 2.4.0-test7] |
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On Thu, 7 Sep 2000, Jamie Lokier wrote: > > It's ok for the compiler to do that (given we don't know what "volatile" > means anyway :-). But it does have implications for spin_lock: > spin_lock must say that it clobbers memory.
Yup. We should just fix that.
Linus
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