On Wed, Oct 17, 2007 at 01:51:17PM +0800, Herbert Xu wrote:
> Nick Piggin <[EMAIL PROTECTED]> wrote:
> >
> > Also, for non-wb memory. I don't think the Intel document referenced
> > says anything about this, but the AMD document says that loads can pass
> > loads (page 8, rule b).
> >
> > This is
Nick Piggin <[EMAIL PROTECTED]> wrote:
>
> Also, for non-wb memory. I don't think the Intel document referenced
> says anything about this, but the AMD document says that loads can pass
> loads (page 8, rule b).
>
> This is why our rmb() is still an lfence.
BTW, Xen (in particular, the code in dr