From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id B68C8A0032; Tue, 19 Jul 2022 22:20:28 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 5FD90410F1; Tue, 19 Jul 2022 22:20:28 +0200 (CEST) Received: from mail-pf1-f177.google.com (mail-pf1-f177.google.com [209.85.210.177]) by mails.dpdk.org (Postfix) with ESMTP id B75DB40FAE for ; Tue, 19 Jul 2022 22:20:26 +0200 (CEST) Received: by mail-pf1-f177.google.com with SMTP id o12so14637882pfp.5 for ; Tue, 19 Jul 2022 13:20:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20210112.gappssmtp.com; s=20210112; h=date:from:to:cc:subject:message-id:mime-version :content-transfer-encoding; bh=3Hkc4YnA81VfsOpDh0hE0ClHHbHMY9rnbq1FWNelogA=; b=Jk975gJnP6eAOX3i/RfznbCwzOeQDEmNpIqDN9rFMZP8+bCVgIA+1IYpO/oQdooBrP YgWDQh1sVSNX4BvBkL4+64A9PwiK0ArY7S8gN/eE11Yt18JML1s3ZDbpdzqeeT8zvrNW tILbCimm3hua//+rKebz5YX3FWL+ZpAdZV1Apn/sZhvNlxaI1WRMaUDpBlCGAkoW1Qm3 l7GEXu27EPdjPsUXnLnYcbEVuHcxynF095w4KBUhq+3/D97S+x58SgHdLhoBGMuWQaps FmRVOzi87HyfY87gauG1U26/Sf2QgeyPbTIKq8yibQVnYTkX2aDdmf/xp3LkaAkXG5oH xXFA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-transfer-encoding; bh=3Hkc4YnA81VfsOpDh0hE0ClHHbHMY9rnbq1FWNelogA=; b=MXWo76GapcAzkT/xf0E0PxfhKLPbJEQ5BW+/7tkB9GgR6ty6871uXECKnoZdOtJybT +mr6WfLcmJpzgAvh7OUa5R51FkhMO2WhKu6xqXeuzPbY5//QKFxHEUwdQ7hQDugaY7Fo 97ugcKFWDLpsLVYQE+me1ymp2LY662KQa4rc2gLMYY9ABSsCQYlmMJIr8AWZ8TO0Rdf8 R2KWr43mjP5EJe7B2Xc71xi8zxP7oRsd0JRXvdpRK29KbOyDzLn07u/TTU9x0zs/sxXI hru0pIoEnCtqPxBq7mE3JrowiCdWHTvz/KR5vCGAWZPokubq3q1j3O1EJ/urgi6ZOEmk rUwg== X-Gm-Message-State: AJIora9bUSLYhpAS0KhGZ4eZESRgssFaPbvPTrdu6kV9W7bXLZFVFlRP vxokQc5W2Db01q8EINduGf9hvAAXKqnuMA== X-Google-Smtp-Source: AGRyM1v3V3IaiOIzDcDHA+YE3yH3a3mt3GJKwPbgqpmWAe9ysEpTMiN3zSLsC5WtqOddmZQCGRPn8w== X-Received: by 2002:a65:4cc7:0:b0:41a:4df2:4839 with SMTP id n7-20020a654cc7000000b0041a4df24839mr3563617pgt.37.1658262025819; Tue, 19 Jul 2022 13:20:25 -0700 (PDT) Received: from hermes.local (204-195-120-218.wavecable.com. [204.195.120.218]) by smtp.gmail.com with ESMTPSA id c75-20020a624e4e000000b005255f5d8f9fsm11901080pfb.112.2022.07.19.13.20.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Jul 2022 13:20:25 -0700 (PDT) Date: Tue, 19 Jul 2022 13:20:23 -0700 From: Stephen Hemminger To: "Richardson, Bruce" Cc: dev@dpdk.org Subject: rwlock with transactional memory Message-ID: <20220719132023.1b02bebd@hermes.local> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org The reader writer lock transactional memory appears to turn the rwlock into just a spinlock. When there are multiple readers, it will think that transaction was impacted. Kind of want to just drop the TM support from reader writer lock, doubt if anyone uses it.