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{
    "id": 74632,
    "url": "https://patches.dpdk.org/api/patches/74632/",
    "web_url": "https://patches.dpdk.org/patch/74632/",
    "project": {
        "id": 1,
        "url": "https://patches.dpdk.org/api/projects/1/",
        "name": "DPDK",
        "link_name": "dpdk",
        "list_id": "dev.dpdk.org",
        "list_email": "dev@dpdk.org",
        "web_url": "http://core.dpdk.org",
        "scm_url": "git://dpdk.org/dpdk",
        "webscm_url": "http://git.dpdk.org/dpdk"
    },
    "msgid": "<20200723070240.14749-1-sarosh.arif@emumba.com>",
    "date": "2020-07-23T07:02:40",
    "name": "mbuf: replace c memcpy() code semantics with optimized rte_memcpy()",
    "commit_ref": null,
    "pull_url": null,
    "state": "changes-requested",
    "archived": false,
    "hash": "30dc1a6bfef2c79d314706550e3d51710190cc86",
    "submitter": {
        "id": 1638,
        "url": "https://patches.dpdk.org/api/people/1638/",
        "name": "Sarosh Arif",
        "email": "sarosh.arif@emumba.com"
    },
    "delegate": {
        "id": 24651,
        "url": "https://patches.dpdk.org/api/users/24651/",
        "username": "dmarchand",
        "first_name": "David",
        "last_name": "Marchand",
        "email": "david.marchand@redhat.com"
    },
    "mbox": "https://patches.dpdk.org/patch/74632/mbox/",
    "series": [
        {
            "id": 11247,
            "url": "https://patches.dpdk.org/api/series/11247/",
            "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=11247",
            "date": "2020-07-23T07:02:40",
            "name": "mbuf: replace c memcpy() code semantics with optimized rte_memcpy()",
            "version": 1,
            "mbox": "https://patches.dpdk.org/series/11247/mbox/"
        }
    ],
    "comments": "https://patches.dpdk.org/api/patches/74632/comments/",
    "check": "success",
    "checks": "https://patches.dpdk.org/api/patches/74632/checks/",
    "tags": {},
    "headers": {
        "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>",
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        "List-Post": "<mailto:dev@dpdk.org>",
        "X-BeenThere": "dev@dpdk.org",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
        "Subject": "[dpdk-dev] [PATCH] mbuf: replace c memcpy() code semantics with\n\toptimized rte_memcpy()",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>",
        "Delivered-To": "patchwork@inbox.dpdk.org",
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        ],
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        "Date": "Thu, 23 Jul 2020 12:02:40 +0500",
        "X-Received": "by 2002:a1c:4343:: with SMTP id q64mr2845201wma.20.1595487952345;\n Thu, 23 Jul 2020 00:05:52 -0700 (PDT)",
        "To": "olivier.matz@6wind.com",
        "From": "Sarosh Arif <sarosh.arif@emumba.com>",
        "Errors-To": "dev-bounces@dpdk.org",
        "Cc": "dev@dpdk.org,\n\tSarosh Arif <sarosh.arif@emumba.com>",
        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
        "Message-Id": "<20200723070240.14749-1-sarosh.arif@emumba.com>",
        "Return-Path": "<dev-bounces@dpdk.org>"
    },
    "content": "Since rte_memcpy is more optimized it should be used instead of memcpy\n\nSigned-off-by: Sarosh Arif <sarosh.arif@emumba.com>\n---\n lib/librte_mbuf/rte_mbuf.c     | 2 +-\n lib/librte_mbuf/rte_mbuf.h     | 3 ++-\n lib/librte_mbuf/rte_mbuf_dyn.c | 8 +++++---\n 3 files changed, 8 insertions(+), 5 deletions(-)",
    "diff": "diff --git a/lib/librte_mbuf/rte_mbuf.c b/lib/librte_mbuf/rte_mbuf.c\nindex 8a456e5e6..71b5998ce 100644\n--- a/lib/librte_mbuf/rte_mbuf.c\n+++ b/lib/librte_mbuf/rte_mbuf.c\n@@ -66,7 +66,7 @@ rte_pktmbuf_pool_init(struct rte_mempool *mp, void *opaque_arg)\n \t\t    ~RTE_PKTMBUF_POOL_F_PINNED_EXT_BUF) == 0);\n \n \tmbp_priv = rte_mempool_get_priv(mp);\n-\tmemcpy(mbp_priv, user_mbp_priv, sizeof(*mbp_priv));\n+\trte_memcpy(mbp_priv, user_mbp_priv, sizeof(*mbp_priv));\n }\n \n /*\ndiff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h\nindex 7259575a7..b7f6bfaa2 100644\n--- a/lib/librte_mbuf/rte_mbuf.h\n+++ b/lib/librte_mbuf/rte_mbuf.h\n@@ -42,6 +42,7 @@\n #include <rte_byteorder.h>\n #include <rte_mbuf_ptype.h>\n #include <rte_mbuf_core.h>\n+#include <rte_memcpy.h>\n \n #ifdef __cplusplus\n extern \"C\" {\n@@ -1109,7 +1110,7 @@ rte_pktmbuf_attach_extbuf(struct rte_mbuf *m, void *buf_addr,\n static inline void\n rte_mbuf_dynfield_copy(struct rte_mbuf *mdst, const struct rte_mbuf *msrc)\n {\n-\tmemcpy(&mdst->dynfield1, msrc->dynfield1, sizeof(mdst->dynfield1));\n+\trte_memcpy(&mdst->dynfield1, msrc->dynfield1, sizeof(mdst->dynfield1));\n }\n \n /* internal */\ndiff --git a/lib/librte_mbuf/rte_mbuf_dyn.c b/lib/librte_mbuf/rte_mbuf_dyn.c\nindex 538a43f69..0631a35a9 100644\n--- a/lib/librte_mbuf/rte_mbuf_dyn.c\n+++ b/lib/librte_mbuf/rte_mbuf_dyn.c\n@@ -15,6 +15,7 @@\n #include <rte_string_fns.h>\n #include <rte_mbuf.h>\n #include <rte_mbuf_dyn.h>\n+#include <rte_memcpy.h>\n \n #define RTE_MBUF_DYN_MZNAME \"rte_mbuf_dyn\"\n \n@@ -200,7 +201,7 @@ rte_mbuf_dynfield_lookup(const char *name, struct rte_mbuf_dynfield *params)\n \t}\n \n \tif (params != NULL)\n-\t\tmemcpy(params, &mbuf_dynfield->params, sizeof(*params));\n+\t\trte_memcpy(params, &mbuf_dynfield->params, sizeof(*params));\n \n \treturn mbuf_dynfield->offset;\n }\n@@ -303,7 +304,8 @@ __rte_mbuf_dynfield_register_offset(const struct rte_mbuf_dynfield *params,\n \t\trte_free(te);\n \t\treturn -1;\n \t}\n-\tmemcpy(&mbuf_dynfield->params, params, sizeof(mbuf_dynfield->params));\n+\trte_memcpy(&mbuf_dynfield->params, params,\n+\t\t\t\tsizeof(mbuf_dynfield->params));\n \tmbuf_dynfield->offset = offset;\n \tte->data = mbuf_dynfield;\n \n@@ -399,7 +401,7 @@ rte_mbuf_dynflag_lookup(const char *name,\n \t}\n \n \tif (params != NULL)\n-\t\tmemcpy(params, &mbuf_dynflag->params, sizeof(*params));\n+\t\trte_memcpy(params, &mbuf_dynflag->params, sizeof(*params));\n \n \treturn mbuf_dynflag->bitnum;\n }\n",
    "prefixes": []
}