Re: spin_lock forgets to clobber memory and other smp fixes [was

From: Richard Henderson (rth@twiddle.net)
Date: Thu Sep 07 2000 - 19:51:59 EST


On Fri, Sep 08, 2000 at 12:34:24AM +0200, Andrea Arcangeli wrote:
> >No it's not. We know how big the dummy_lock structure is, and
> >so might "know" that it doesn't overlap with something else.
>
> I guess Alexey point is that the current compiler doesn't notice that.

Perhaps. But that's not to say no future compiler won't.

r~
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Thu Sep 07 2000 - 21:00:32 EST