Date: Tue, 11 Sep 2012 16:59:04 +0000 (UTC) From: Scott Long <scottl@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r240366 - head/sys/dev/ixgbe Message-ID: <201209111659.q8BGx4g6089753@svn.freebsd.org>
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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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