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From: Tyler Retzlaff <roretzla@linux.microsoft.com>
To: dev@dpdk.org
Cc: Ajit Khaparde <ajit.khaparde@broadcom.com>,
Andrew Boyer <andrew.boyer@amd.com>,
Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>,
Bruce Richardson <bruce.richardson@intel.com>,
Chenbo Xia <chenbox@nvidia.com>, Chengwen Feng <fengchengwen@huawei.com>,
Dariusz Sosnowski <dsosnowski@nvidia.com>,
David Christensen <drc@linux.vnet.ibm.com>,
Hyong Youb Kim <hyonkim@cisco.com>, Jerin Jacob <jerinj@marvell.com>,
Jie Hai <haijie1@huawei.com>, Jingjing Wu <jingjing.wu@intel.com>,
John Daley <johndale@cisco.com>, Kevin Laatz <kevin.laatz@intel.com>,
Kiran Kumar K <kirankumark@marvell.com>,
Konstantin Ananyev <konstantin.v.ananyev@yandex.ru>,
Maciej Czekaj <mczekaj@marvell.com>, Matan Azrad <matan@nvidia.com>,
Maxime Coquelin <maxime.coquelin@redhat.com>,
Nithin Dabilpuram <ndabilpuram@marvell.com>, Ori Kam <orika@nvidia.com>,
Ruifeng Wang <ruifeng.wang@arm.com>, Satha Rao <skoteshwar@marvell.com>,
Somnath Kotur <somnath.kotur@broadcom.com>,
Suanming Mou <suanmingm@nvidia.com>, Sunil Kumar Kori <skori@marvell.com>,
Viacheslav Ovsiienko <viacheslavo@nvidia.com>,
Yisen Zhuang <yisen.zhuang@huawei.com>,
Yuying Zhang <Yuying.Zhang@intel.com>, mb@smartsharesystems.com,
Tyler Retzlaff <roretzla@linux.microsoft.com>
Subject: [PATCH v5 05/22] mbuf: stop using mbuf cacheline marker fields
Date: Sat, 24 Feb 2024 00:21:50 -0800
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Update prefetch inline functions to access rte_mbuf struct fields
directly instead of via cacheline{0,1} marker extension fields.
Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
---
lib/mbuf/rte_mbuf.h | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/lib/mbuf/rte_mbuf.h b/lib/mbuf/rte_mbuf.h
index 286b32b..04cde0f 100644
--- a/lib/mbuf/rte_mbuf.h
+++ b/lib/mbuf/rte_mbuf.h
@@ -108,7 +108,7 @@
static inline void
rte_mbuf_prefetch_part1(struct rte_mbuf *m)
{
- rte_prefetch0(&m->cacheline0);
+ rte_prefetch0(&m->buf_addr);
}
/**
@@ -126,7 +126,11 @@
rte_mbuf_prefetch_part2(struct rte_mbuf *m)
{
#if RTE_CACHE_LINE_SIZE == 64
- rte_prefetch0(&m->cacheline1);
+#if RTE_IOVA_IN_MBUF
+ rte_prefetch0(&m->next);
+#else
+ rte_prefetch0(&m->dynfield2);
+#endif
#else
RTE_SET_USED(m);
#endif
--
1.8.3.1