Re: [PATCH 0/2] jump label: 2.6.38 updates

From: Will Newton
Date: Tue Feb 15 2011 - 06:53:46 EST


On Mon, Feb 14, 2011 at 11:09 PM, Paul E. McKenney
<paulmck@xxxxxxxxxxxxxxxxxx> wrote:

Hi Paul,

> What CPU family are we talking about here?  For cache coherent CPUs,
> cache coherence really is supposed to work, even for mixed atomic and
> non-atomic instructions to the same variable.

Is there a specific situation you can think of where this would be a
problem? I have to admit to a certain amount of unease with the design
our hardware guys came up with, but I don't have a specific case where
it won't work, just cases where it is less than optimal.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/