[PATCH] clarify purpose of empty cache lines

[Thomas Monjalon]

04/09/2023 11:12, Bruce Richardson:
> On Mon, Sep 04, 2023 at 10:43:49AM +0200, Morten Brørup wrote:
> > This patch introduces the generic RTE_CACHE_GUARD macro into the EAL, and
> > replaces vaguely described empty cache lines in the rte_ring structure
> > with this macro.
> > 
> > Although the implementation of the rte_ring structure assumes that the
> > hardware speculatively prefetches 1 cache line, this number can be changed
> > at build time by modifying RTE_CACHE_GUARD_LINES in rte_config.h.
> > 
> > The background and the RFC was discussed in this thread:
> > http://inbox.dpdk.org/dev/98CBD80474FA8B44BF855DF32C47DC35D87B39@smartserver.smartshare.dk/
> > 
> > Signed-off-by: Morten Brørup <mb at smartsharesystems.com>
> > ---
> Seems fine to me.
> 
> Acked-by: Bruce Richardson <bruce.richardson at intel.com>

Applied, thanks.