From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5F0B8C433DF for ; Sun, 21 Jun 2020 16:16:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3629223E1D for ; Sun, 21 Jun 2020 16:16:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="qAhykpjO" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730260AbgFUQQe (ORCPT ); Sun, 21 Jun 2020 12:16:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49542 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730395AbgFUQQd (ORCPT ); Sun, 21 Jun 2020 12:16:33 -0400 Received: from mail-ed1-x52e.google.com (mail-ed1-x52e.google.com [IPv6:2a00:1450:4864:20::52e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 923C6C061795 for ; Sun, 21 Jun 2020 09:16:33 -0700 (PDT) Received: by mail-ed1-x52e.google.com with SMTP id m21so11575721eds.13 for ; Sun, 21 Jun 2020 09:16:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=mxzqYcHnWvaR3JVJoXgCsD3ZXfEx/W4ehtazGOnVEfA=; b=qAhykpjOYmvbZgnS8lv7I5d5aVo1liuqRTFJ8TYTuMulMK4MAZ1pnuJ3b+SMO3LuBc Ohuk8dsd/e6zfo+YEzZokCQwxZBR0fmC211I+Yb7iNn+EKTbRIzhVvAVFlFfR2/hoAUE aaB5Ip8f/ss9evlgjKgEwc2nne8eHP1wxedN2/+MkBPv8dhoeK/3AX+Eowr3UArnUhin EtDkFkyrTH1IjwtOVVBxfCd9c4OBzIonewsbeEhYBj0YJhqLLMvC7g4Zr5eAixsa3Y3W k22uPKLSdOOqVS9dNPNRqjzAylt94st6k8cZLYByQB1qSj8PqfWqjvdRgpQzlyK7yy2+ tx3A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=mxzqYcHnWvaR3JVJoXgCsD3ZXfEx/W4ehtazGOnVEfA=; b=VyqeMkabVbULEluaBJPT22nzBY8hhUDwYr5zYaZ5FPg8x2NovDyCDDIZNsD5b8KZbt cqcrtcjmQHUOLkW+iUoCG+djJ+jgJ3Q3waYfjm8KEFn6cn6Ri7oXEtBFvhvSpHgehAlo LBmlmRt4qETiXmDMy6vaFa7lmIPlcSYsxm+qENegukSonwck+swJ6LhJdgiQQ+vQ0B9g aUhRytjJbgRxEb07LYjWpIwvtfLX/X9U93V7Py6GJPLS6U3w8MPGlsgxFZ/CM46Y7wes 2Gx42n6iJNZ8mdI0PjDuGVEfiYaPtpluCbcn3PffcktLdqJXNUWPlE4uYkGuhT199/r0 EwMA== X-Gm-Message-State: AOAM533mNN1kCEg+p5jbi5vkB84Fi/vd+X8mMISObLotyGL+MnAHsN5z 8ma1UZSg1j6nM16G4YbUN2x8Gc+4 X-Google-Smtp-Source: ABdhPJyqwMlRQBpbugIw1tppO4jHOCWjTeA4RlzctkgsmWqKlKfJPv8pnQALYT58bABFvYF/LtRC+A== X-Received: by 2002:a50:a661:: with SMTP id d88mr13295763edc.34.1592756190606; Sun, 21 Jun 2020 09:16:30 -0700 (PDT) Received: from localhost.localdomain ([5.100.193.85]) by smtp.gmail.com with ESMTPSA id 64sm10160292eda.85.2020.06.21.09.16.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 21 Jun 2020 09:16:30 -0700 (PDT) From: Pavel Begunkov To: Jens Axboe , io-uring@vger.kernel.org Subject: [PATCH v2 0/2] Fix hang in io_uring_get_cqe() with iopoll Date: Sun, 21 Jun 2020 19:14:24 +0300 Message-Id: X-Mailer: git-send-email 2.24.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: io-uring-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org v2: use relaxed load fix errata Pavel Begunkov (2): barriers: add load relaxed Fix hang in io_uring_get_cqe() with iopoll src/include/liburing/barrier.h | 4 ++++ src/queue.c | 16 +++++++++++++++- 2 files changed, 19 insertions(+), 1 deletion(-) -- 2.24.0