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{ "id": 61867, "url": "http://patches.dpdk.org/api/covers/61867/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/cover/1571913748-51735-1-git-send-email-gavin.hu@arm.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", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<1571913748-51735-1-git-send-email-gavin.hu@arm.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1571913748-51735-1-git-send-email-gavin.hu@arm.com", "date": "2019-10-24T10:42:23", "name": "[v9,0/5] use WFE for aarch64", "submitter": { "id": 1018, "url": "http://patches.dpdk.org/api/people/1018/?format=api", "name": "Gavin Hu", "email": "gavin.hu@arm.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/cover/1571913748-51735-1-git-send-email-gavin.hu@arm.com/mbox/", "series": [ { "id": 7037, "url": "http://patches.dpdk.org/api/series/7037/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=7037", "date": "2019-10-24T10:42:23", "name": "use WFE for aarch64", "version": 9, "mbox": "http://patches.dpdk.org/series/7037/mbox/" } ], "comments": "http://patches.dpdk.org/api/covers/61867/comments/", "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id C2FA71E8F2;\n\tThu, 24 Oct 2019 12:42:54 +0200 (CEST)", "from foss.arm.com (unknown [217.140.110.172])\n\tby dpdk.org (Postfix) with ESMTP id A4B5E1E8E9\n\tfor <dev@dpdk.org>; Thu, 24 Oct 2019 12:42:52 +0200 (CEST)", "from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14])\n\tby usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 2B59A497;\n\tThu, 24 Oct 2019 03:42:43 -0700 (PDT)", "from net-arm-thunderx2-01.test.ast.arm.com\n\t(net-arm-thunderx2-01.shanghai.arm.com [10.169.40.40])\n\tby usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id\n\tD694D3F71F; Thu, 24 Oct 2019 03:42:39 -0700 (PDT)" ], "From": "Gavin Hu <gavin.hu@arm.com>", "To": "dev@dpdk.org", "Cc": "nd@arm.com, david.marchand@redhat.com, konstantin.ananyev@intel.com,\n\tthomas@monjalon.net, stephen@networkplumber.org, hemant.agrawal@nxp.com, \n\tjerinj@marvell.com, pbhagavatula@marvell.com,\n\tHonnappa.Nagarahalli@arm.com, \n\truifeng.wang@arm.com, phil.yang@arm.com, steve.capper@arm.com", "Date": "Thu, 24 Oct 2019 18:42:23 +0800", "Message-Id": "<1571913748-51735-1-git-send-email-gavin.hu@arm.com>", "X-Mailer": "git-send-email 2.7.4", "In-Reply-To": "<1561911676-37718-1-git-send-email-gavin.hu@arm.com>", "References": "<1561911676-37718-1-git-send-email-gavin.hu@arm.com>", "Subject": "[dpdk-dev] [PATCH v9 0/5] use WFE for aarch64", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "V9:\n- fix a weblink broken (David Marchand)\n- define rte_wfe and rte_sev() (Ananyev Konstantin)\n- explicitly define three function APIs instead of marcos (Ananyev Konstantin)\n- incorporate common rte_wfe and rte_sev into the generic rte_spinlock (David Marchand)\n- define arch neutral RTE_WAIT_UNTIL_EQUAL_ARCH_DEFINED (Ananyev Konstantin)\n- define rte_load_ex_16/32/64 functions to use load-exclusive instruction for aarch64, which is required for wake up of WFE\n- drop the rte_spinlock patch from this series, as the it calls this experimental API and it is widely included by a lot of components each requires the ALLOW_EXPERIMENRAL_API for the Makefile and meson.build, leave it to future after the experimental is removed.\nV8:\n- simplify dmb definition to use io barriers (David Marchand)\n- define wfe() and sev() macros and use them inside normal C code (Ananyev Konstantin)\n- pass memorder as parameter, not to incorporate it into function name, less functions, similar to C11 atomic intrinsics (Ananyev Konstantin)\n- remove mandating RTE_FORCE_INTRINSICS in arm spinlock implementation(David Marchand)\n- undef __WAIT_UNTIL_EQUAL after use (David Marchand)\n- add experimental tag and warning (David Marchand)\n- add the limitation of using WFE instruction in the commit log (David Marchand) \n- tweak the use of RTE_FORCE_INSTRINSICS(still mandatory for aarch64) and RTE_ARM_USE_WFE for spinlock (David Marchand)\n- drop the rte_ring patch from this series, as the rte_ring.h calls this API and it is widely included by a lot of components each requires the ALLOW_EXPERIMENRAL_API for the Makefile and meson.build, leave it to future after the experimental is removed.\nV7:\n- fix the checkpatch LONG_LINE_COMMENT issue\nV6:\n- squash the RTE_ARM_USE_WFE configuration entry patch into the new API patch\n- move the new configuration to the end of EAL\n- add doxygen comments to reflect the relaxed and acquire semantics\n- correct the meson configuration \nV5:\n- add doxygen comments for the new APIs\n- spinlock early exit without wfe if the spinlock not taken by others.\n- add two patches on top for opdl and thunderx\nV4:\n- rename the config as CONFIG_RTE_ARM_USE_WFE to indicate it applys to arm only\n- introduce a macro for assembly Skelton to reduce the duplication of code\n- add one patch for nxp fslmc to address a compiling error\nV3:\n- Convert RFCs to patches\nV2:\n- Use inline functions instead of marcos\n- Add load and compare in the beginning of the APIs\n- Fix some style errors in asm inline \nV1:\n- Add the new APIs and use it for ring and locks\n\nGavin Hu (5):\n bus/fslmc: fix the conflicting dmb function\n eal: add the APIs to wait until equal\n ticketlock: use new API to reduce contention on aarch64\n net/thunderx: use new API to save cycles on aarch64\n event/opdl: use new API to save cycles on aarch64\n\n config/arm/meson.build | 1 +\n config/common_base | 5 +\n drivers/bus/fslmc/mc/fsl_mc_sys.h | 8 +-\n drivers/event/opdl/Makefile | 1 +\n drivers/event/opdl/meson.build | 1 +\n drivers/event/opdl/opdl_ring.c | 5 +-\n drivers/net/thunderx/Makefile | 1 +\n drivers/net/thunderx/meson.build | 1 +\n drivers/net/thunderx/nicvf_rxtx.c | 3 +-\n .../common/include/arch/arm/rte_pause_64.h | 70 +++++++\n lib/librte_eal/common/include/generic/rte_pause.h | 217 +++++++++++++++++++++\n .../common/include/generic/rte_ticketlock.h | 3 +-\n 12 files changed, 304 insertions(+), 12 deletions(-)" }