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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 73E36C4361B for ; Fri, 11 Dec 2020 03:26:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3496523EB0 for ; Fri, 11 Dec 2020 03:26:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2395059AbgLKDZt (ORCPT ); Thu, 10 Dec 2020 22:25:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55548 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731725AbgLKDZC (ORCPT ); Thu, 10 Dec 2020 22:25:02 -0500 Received: from mail-pl1-x642.google.com (mail-pl1-x642.google.com [IPv6:2607:f8b0:4864:20::642]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BABB3C0613D3 for ; Thu, 10 Dec 2020 19:24:22 -0800 (PST) Received: by mail-pl1-x642.google.com with SMTP id g20so3068728plo.2 for ; Thu, 10 Dec 2020 19:24:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=n/eeYVwxJrNDZsKAAjkQX08k6NxE/+8eKZlDKoFUrYg=; b=QmjV+uu8e0ptwQwnOHUl9K7/BIUfuWUoF4VdFRquA1cbRUQXBE9Lupbi+qMFBZOzP4 cVJ4owdMaynzTOZ5q/NNTA0gO6LJ1ZfKio5Myou0C88hmJ+OU9A+NSxUSMIJDnh7p2pL lSiYJ4KVLzNgKBlWbvnvKHfigYA2W8NsD9UhjF8MT8CzRufbMcup2cmAdlYV77BPJ2KY gKmw4hnXf9mA4Mo/vYewXXGOJ3HUbh5lltetjx2momPOtT9otiz/OuM9LDukOdWOJ6p/ g3Wh/StZcdpDX7aeIsp+bwYCnpGax0gDjQQnqwKWfub/f6+qNF3s4wWsmWU0QQm/SuRH eyFw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=n/eeYVwxJrNDZsKAAjkQX08k6NxE/+8eKZlDKoFUrYg=; b=RdQ2mCtBMip0Zi0GEMytrOgH/opy+E2Kb9xWG1RYOwkODvaIWALhtQ4OQvniqqmzpX 6w9ZSldNo5tuBHEkHTO4mGFkkiXV0oEEIU40jNKYDmsQ2xIXUwd+rjMFh+RA3KO4QfQW Ye+QwBQcmQmVZtyOYyMOJMuFXy3easbn1utQfCmnIeT/gsgI+017JQ6S881qz/CybxQC dnGPz4/rPkch4pFPZSgxpNMa9hbQxSPVMZZ31+CbSi0W5r1p4R40loU7FyjhiL7JKMSH sPsqE5oahUKjutST/vLhwH65El8oI9Vix8FkL/wzjmEa9tjjNtdnQ7r4qP3gPcCV+fiP /FxA== X-Gm-Message-State: AOAM533vNwSBVmbkCrxL7dSQqDvKIZ12e2BN7Uiu3F9BfTB8tHhqpVHE KiZ2C1Z7xo4+Da4PO/hi3XA= X-Google-Smtp-Source: ABdhPJx+B+SksLoGeJMA4Pcho3nS5bv70t+XUonxcQFIlK1pWG4Ntv7vND4ZSbGh4b26pW1FuUL83w== X-Received: by 2002:a17:90a:f194:: with SMTP id bv20mr11048521pjb.11.1607657062401; Thu, 10 Dec 2020 19:24:22 -0800 (PST) Received: from localhost.localdomain ([122.10.161.207]) by smtp.gmail.com with ESMTPSA id u4sm7846325pgg.48.2020.12.10.19.24.20 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 10 Dec 2020 19:24:21 -0800 (PST) From: Yejune Deng To: axboe@kernel.dk, hare@suse.de, jack@suse.cz, gregkh@linuxfoundation.org, tj@kernel.org, linux@dominikbrodowski.net Cc: yejune.deng@gmail.com, linux-kernel@vger.kernel.org Subject: [PATCH] init: fix msleep() is not accurate Date: Fri, 11 Dec 2020 11:24:12 +0800 Message-Id: <1607657052-17608-1-git-send-email-yejune.deng@gmail.com> X-Mailer: git-send-email 1.9.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org See Documentation/timers/timers-howto.rst, msleep() is not for (1ms - 20ms),use usleep_range() instead. Signed-off-by: Yejune Deng --- init/do_mounts.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/init/do_mounts.c b/init/do_mounts.c index a78e44e..e007b47 100644 --- a/init/do_mounts.c +++ b/init/do_mounts.c @@ -606,7 +606,7 @@ void __init prepare_namespace(void) saved_root_name); while (driver_probe_done() != 0 || (ROOT_DEV = name_to_dev_t(saved_root_name)) == 0) - msleep(5); + usleep_range(5000, 6000); async_synchronize_full(); } -- 1.9.1