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=-1.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,HK_RANDOM_FROM,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 5620EC433B4 for ; Tue, 11 May 2021 02:24:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 14541611AB for ; Tue, 11 May 2021 02:24:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230523AbhEKCZF (ORCPT ); Mon, 10 May 2021 22:25:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54974 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230417AbhEKCZE (ORCPT ); Mon, 10 May 2021 22:25:04 -0400 Received: from mail-pj1-x102f.google.com (mail-pj1-x102f.google.com [IPv6:2607:f8b0:4864:20::102f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EF9A1C061574 for ; Mon, 10 May 2021 19:23:57 -0700 (PDT) Received: by mail-pj1-x102f.google.com with SMTP id l10-20020a17090a850ab0290155b06f6267so418799pjn.5 for ; Mon, 10 May 2021 19:23:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=LEnjyPPeB6lvEBpPeWNCTITVj6tamqcoGqJcOIK5Qp4=; b=KR2reNxL/sbflBFkWnnBu+sgMkVV93lU9doeUNOnFJF3KAkUX7sP/KByjvH/HCa59a OUOh9iFkpcJ4NBJF53E6XIeQTyIgOm9Gdc3SdewCI4leNSPFQxBKiL8Q8fGyWdlLAp+v R5XRszq02yz5+sCAx49Cg3SXSQz/ekgqXMLFdkmHB2M0a4kz4D0KjEHhVYQSa5nWdfol KrTaHaHrKGjo4vRot9Mq7rz1RJ7NVOA5L+9L/Gj2AFB163tt1la+KDqmthpxh1X9/GA5 HEHak07eYEk2ygLvmtLytTIaBdTDGPgtWnKxAr2UAqgYa47JIBqxj46HxHtfSoNrN8BK Rc7g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=LEnjyPPeB6lvEBpPeWNCTITVj6tamqcoGqJcOIK5Qp4=; b=E27LRctvfS/U21LTuiw/1ZxDUzQTIyixU+0hq5s7Z8rO5zFH9AooxQYvQ+Nvyln591 OW7qOh1npRIaWvaqvB8buEIoZGR0PW9HsPbtouEKJS0SkWwubLXrWtu8CkKKvrSP7L0C G7ny2G30O0il80CeDLt7Zz0LY3rEd7d9fEW5zjVhtS2AevyIDYWU1M4yRR6NHI1yoAvB 3eOoONRqzkrqEJ6gW4pHTAMAYDORzS1PC9JUXSnsT02ekuGpvXmsrBjqbmSZ2SijRoKU r1WsHzVXQiy3uwe1l4+jy01H/hqFMhdXYPgfymQDq16NfV8w7+FElwmXDF8w43ImRIcL rEOA== X-Gm-Message-State: AOAM533/Q47hNw5lpRsgmi77W5/bG4xXXEVyIrsEsvy8t97oG5JDbMwf c51yDyl8kWZ3ZIHaZuzTn0E= X-Google-Smtp-Source: ABdhPJzpOl5GUcKUw9u3zbEX0ghWK308O6Yu2PMXk99BNW5s0Jl5zlbAaKlAxHFBD9BnoJkewmZk1w== X-Received: by 2002:a17:90a:450e:: with SMTP id u14mr31629260pjg.194.1620699835919; Mon, 10 May 2021 19:23:55 -0700 (PDT) Received: from hyeyoo ([183.99.11.150]) by smtp.gmail.com with ESMTPSA id q24sm9502273pgk.32.2021.05.10.19.23.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 May 2021 19:23:55 -0700 (PDT) Date: Tue, 11 May 2021 11:23:50 +0900 From: Hyeonggon Yoo <42.hyeyoo@gmail.com> To: peterz@infradead.org, mingo@redhat.com, will@kernel.org Cc: linux-kernel@vger.kernel.org Subject: Re: [PATCH] kernel/locking: make __down_common use flags previously saved Message-ID: <20210511022350.GA97228@hyeyoo> References: <20210424142823.3896-1-42.hyeyoo@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210424142823.3896-1-42.hyeyoo@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, is there someone? can you tell me if my approach was wrong, or Can I improve anything? it was weird to me that __down_common disable / restores regardless of flag that was previously saved