svn commit: r240366 - head/sys/dev/ixgbe
Scott Long
scottl at FreeBSD.org
Tue Sep 11 16:59:04 UTC 2012
Author: scottl
Date: Tue Sep 11 16:59:04 2012
New Revision: 240366
URL: http://svn.freebsd.org/changeset/base/240366
Log:
Remove a prefetch() directive that, after careful testing, does more harm
than good.
Submitted by: Fabien Thomas
Reviewed by: jfv
Modified:
head/sys/dev/ixgbe/ixgbe.c
Modified: head/sys/dev/ixgbe/ixgbe.c
==============================================================================
--- head/sys/dev/ixgbe/ixgbe.c Tue Sep 11 16:32:31 2012 (r240365)
+++ head/sys/dev/ixgbe/ixgbe.c Tue Sep 11 16:59:04 2012 (r240366)
@@ -4641,7 +4641,6 @@ ixgbe_rxeof(struct ix_queue *que, int co
* leave the old mbuf+cluster for re-use.
*/
if (eop && plen <= IXGBE_RX_COPY_LEN) {
- prefetch(mp->m_data);
sendmp = m_gethdr(M_DONTWAIT, MT_DATA);
if (sendmp != NULL) {
sendmp->m_data +=
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