Re: spin_lock forgets to clobber memory and other smp fixes [wasRe: [patch] waitqueue optimization, 2.4.0-test7]

[Linus Torvalds]

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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