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{
    "id": 10992,
    "url": "http://patches.dpdk.org/api/patches/10992/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/1456924859-18841-1-git-send-email-jerin.jacob@caviumnetworks.com/",
    "project": {
        "id": 1,
        "url": "http://patches.dpdk.org/api/projects/1/?format=api",
        "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",
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        "list_archive_url_format": "https://inbox.dpdk.org/dev/{}",
        "commit_url_format": ""
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    "msgid": "<1456924859-18841-1-git-send-email-jerin.jacob@caviumnetworks.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1456924859-18841-1-git-send-email-jerin.jacob@caviumnetworks.com",
    "date": "2016-03-02T13:20:59",
    "name": "[dpdk-dev] eal: arm64: introduce RTE_CPUFLAG_ATOMICS",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "91ca2dfc5bf8ffa5c46877b2ae4623d204446471",
    "submitter": {
        "id": 305,
        "url": "http://patches.dpdk.org/api/people/305/?format=api",
        "name": "Jerin Jacob",
        "email": "jerin.jacob@caviumnetworks.com"
    },
    "delegate": {
        "id": 1,
        "url": "http://patches.dpdk.org/api/users/1/?format=api",
        "username": "tmonjalo",
        "first_name": "Thomas",
        "last_name": "Monjalon",
        "email": "thomas@monjalon.net"
    },
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/1456924859-18841-1-git-send-email-jerin.jacob@caviumnetworks.com/mbox/",
    "series": [],
    "comments": "http://patches.dpdk.org/api/patches/10992/comments/",
    "check": "pending",
    "checks": "http://patches.dpdk.org/api/patches/10992/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "From": "Jerin Jacob <jerin.jacob@caviumnetworks.com>",
        "To": "<dev@dpdk.org>",
        "Date": "Wed, 2 Mar 2016 18:50:59 +0530",
        "Message-ID": "<1456924859-18841-1-git-send-email-jerin.jacob@caviumnetworks.com>",
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        "Cc": "viktorin@rehivetech.com",
        "Subject": "[dpdk-dev]  [PATCH] eal: arm64: introduce RTE_CPUFLAG_ATOMICS",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.15",
        "Precedence": "list",
        "List-Id": "patches and discussions about DPDK <dev.dpdk.org>",
        "List-Unsubscribe": "<http://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "List-Archive": "<http://dpdk.org/ml/archives/dev/>",
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        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "armv8.1 adds support for new atomic instructions.\nLinux kernel v4.3 onwards, the presence of atomic instruction\nsupport can detect through HWCAP_ATOMICS\n\nSigned-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>\n---\n app/test/test_cpuflags.c                                 | 3 +++\n lib/librte_eal/common/arch/arm/rte_cpuflags.c            | 1 +\n lib/librte_eal/common/include/arch/arm/rte_cpuflags_64.h | 1 +\n 3 files changed, 5 insertions(+)",
    "diff": "diff --git a/app/test/test_cpuflags.c b/app/test/test_cpuflags.c\nindex e8d0ce7..d083c86 100644\n--- a/app/test/test_cpuflags.c\n+++ b/app/test/test_cpuflags.c\n@@ -144,6 +144,9 @@ test_cpuflags(void)\n \n \tprintf(\"Check for CRC32:\\t\");\n \tCHECK_FOR_FLAG(RTE_CPUFLAG_CRC32);\n+\n+\tprintf(\"Check for ATOMICS:\\t\");\n+\tCHECK_FOR_FLAG(RTE_CPUFLAG_ATOMICS);\n #endif\n \n #if defined(RTE_ARCH_X86_64) || defined(RTE_ARCH_I686)\ndiff --git a/lib/librte_eal/common/arch/arm/rte_cpuflags.c b/lib/librte_eal/common/arch/arm/rte_cpuflags.c\nindex f14c56a..23240ef 100644\n--- a/lib/librte_eal/common/arch/arm/rte_cpuflags.c\n+++ b/lib/librte_eal/common/arch/arm/rte_cpuflags.c\n@@ -122,6 +122,7 @@ const struct feature_entry rte_cpu_feature_table[] = {\n \tFEAT_DEF(SHA1,\t\tREG_HWCAP,    5)\n \tFEAT_DEF(SHA2,\t\tREG_HWCAP,    6)\n \tFEAT_DEF(CRC32,\t\tREG_HWCAP,    7)\n+\tFEAT_DEF(ATOMICS,\tREG_HWCAP,    8)\n \tFEAT_DEF(AARCH64,\tREG_PLATFORM, 1)\n };\n #endif /* RTE_ARCH */\ndiff --git a/lib/librte_eal/common/include/arch/arm/rte_cpuflags_64.h b/lib/librte_eal/common/include/arch/arm/rte_cpuflags_64.h\nindex 810e8a0..49aead9 100644\n--- a/lib/librte_eal/common/include/arch/arm/rte_cpuflags_64.h\n+++ b/lib/librte_eal/common/include/arch/arm/rte_cpuflags_64.h\n@@ -49,6 +49,7 @@ enum rte_cpu_flag_t {\n \tRTE_CPUFLAG_SHA1,\n \tRTE_CPUFLAG_SHA2,\n \tRTE_CPUFLAG_CRC32,\n+\tRTE_CPUFLAG_ATOMICS,\n \tRTE_CPUFLAG_AARCH64,\n \t/* The last item */\n \tRTE_CPUFLAG_NUMFLAGS,/**< This should always be the last! */\n",
    "prefixes": [
        "dpdk-dev"
    ]
}