From: "Zhou, JunX W" <junx.w.zhou@intel.com> To: "Xu, Ting" <ting.xu@intel.com>, "dev@dpdk.org" <dev@dpdk.org> Cc: "Dumitrescu, Cristian" <cristian.dumitrescu@intel.com>, "stable@dpdk.org" <stable@dpdk.org> Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH v2] lib/table: fix cache alignment issue Date: Thu, 2 Jul 2020 08:06:35 +0000 Message-ID: <EDA4914C4BAB5848BD29F696B5FE612D0445E7A8@CDSMSX102.ccr.corp.intel.com> (raw) In-Reply-To: <20200617054355.7895-1-ting.xu@intel.com> Tested-by: junx.w.zhou@intel.com -----Original Message----- From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Ting Xu Sent: Wednesday, June 17, 2020 1:44 PM To: dev@dpdk.org Cc: Dumitrescu, Cristian <cristian.dumitrescu@intel.com>; stable@dpdk.org Subject: [dpdk-dev] [PATCH v2] lib/table: fix cache alignment issue When create softnic hash table with 16 keys, it failed on 32bit environment because of the structure rte_bucket_4_16 alignment issue. Add __rte_cache_aligned to ensure correct cache align. Fixes: 8aa327214c ("table: hash") Cc: stable@dpdk.org Signed-off-by: Ting Xu <ting.xu@intel.com> --- v1->v2: Correct patch time --- lib/librte_table/rte_table_hash_key16.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/librte_table/rte_table_hash_key16.c b/lib/librte_table/rte_table_hash_key16.c index 2cca1c924..5e1665c15 100644 --- a/lib/librte_table/rte_table_hash_key16.c +++ b/lib/librte_table/rte_table_hash_key16.c @@ -44,7 +44,7 @@ struct rte_bucket_4_16 { uint64_t key[4][2]; /* Cache line 2 */ - uint8_t data[0]; + uint8_t data[0] __rte_cache_aligned; }; struct rte_table_hash { -- 2.17.1
next prev parent reply other threads:[~2020-07-02 8:09 UTC|newest] Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-06-16 16:27 [dpdk-stable] [PATCH v1] " Ting Xu 2020-06-17 5:43 ` [dpdk-stable] [PATCH v2] " Ting Xu 2020-07-02 8:06 ` Zhou, JunX W [this message] 2020-07-09 1:48 ` [dpdk-stable] [PATCH v3] " Ting Xu 2020-07-20 14:37 ` Dumitrescu, Cristian 2020-07-21 5:15 ` Xu, Ting 2020-07-21 21:16 ` Dumitrescu, Cristian 2020-07-22 2:16 ` Xu, Ting 2020-07-22 2:16 ` [dpdk-stable] [PATCH v4] " Ting Xu 2020-07-22 8:26 ` Dumitrescu, Cristian 2020-07-22 8:30 ` Xu, Ting 2020-07-22 8:49 ` Dumitrescu, Cristian 2020-07-22 8:48 ` Dumitrescu, Cristian 2020-07-29 12:01 ` [dpdk-stable] [dpdk-dev] " David Marchand 2020-07-29 13:13 ` Dumitrescu, Cristian 2020-07-29 13:28 ` David Marchand 2020-07-29 13:54 ` Dumitrescu, Cristian 2020-07-29 13:59 ` David Marchand 2020-07-29 14:53 ` Dumitrescu, Cristian 2020-07-30 6:57 ` Xu, Ting 2020-07-30 10:35 ` Kevin Traynor 2020-09-09 6:18 ` Xu, Ting 2020-09-15 8:03 ` David Marchand 2020-10-14 8:26 ` Xu, Ting 2020-10-14 13:53 ` David Marchand
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