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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 51753C6FA8E for ; Thu, 2 Mar 2023 17:19:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229701AbjCBRTc (ORCPT ); Thu, 2 Mar 2023 12:19:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57100 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229567AbjCBRTa (ORCPT ); Thu, 2 Mar 2023 12:19:30 -0500 Received: from mail-yb1-xb35.google.com (mail-yb1-xb35.google.com [IPv6:2607:f8b0:4864:20::b35]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6245B6E8B; Thu, 2 Mar 2023 09:19:29 -0800 (PST) Received: by mail-yb1-xb35.google.com with SMTP id 82so4270708ybn.6; Thu, 02 Mar 2023 09:19:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1677777568; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=Uit9vXQN5dUsgYieCjn7laYXQPsqA8YR/x9Zxms4wJE=; b=pI+LgniKKi36tZwoGnshSJXnnSrErIqYS61kZx3CdEp+v8NSKvDhRPt6a5hghfztqs Exb96trUnaf40fDCIDeblbgUYW9XMmXLR2Sp/jbjF98oSo5WMB29LIRqXryFGvhu+ZhC 83hmmIa29wXivsbMKfGu015i8Cl+rPvOAW5zjAK5dES3OtCY6Jpwljw8nAuEr2U7YDSY Oobi9Bi+2cjtuJTbQYsd109s2K7HcncMNo/NJwhk1uoQerJd1VbgLbd8BmB08ebHuxbM xDXOUhIRpubjhhsERXkfqyg3oRCQbjeiYAdYr6rbtbvoD+QAMKji+7PN161b6b+Mytmp hARw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1677777568; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Uit9vXQN5dUsgYieCjn7laYXQPsqA8YR/x9Zxms4wJE=; b=04a6asOu9Jb6bH+nv4H1GiexYDTA/vK9/YBWIuJ6vkzUbgCTaTqdHr2xVEKmwtv1QU MehaqqqZFaug4NN3QENM7mMMBGxazahjLMJ6KyhmIdgBvN6iysttqG09fyDp1QnTIWhh 1+VLI+e2oFSWgdZAeP0zG+7OPUIvNBb+uym/iGguMSGXbQh7JQimuYFzvz5ZFrUi/Z2V 0sOSlEZkdITvincz3y9qKAf8TPO7zCn/prW6LrDU1uHUbiU1SZNneO7hV5s02IeuErR3 RCjAh977x3c2Du/Br08TIpPwb506FR3lWog7m4XXtTyQxKS7aMthSI4I4nHoIXGsrNbC ABvw== X-Gm-Message-State: AO0yUKW2no+sZZaA2j8imxqfIYxTtuBIDugrGPtWesReMapQ3o+9Xuqf 8TkVPehH00DOkJ+V3VhgvCeaR7o8qMFN4sgymv0iHGGHefYh9Q== X-Google-Smtp-Source: AK7set/hNqUOCRdsVB9sYdNOfDCdQlGLUIwPFoPFBIRH3epUIEIT2aXlninuryMFbjQKgc2AltMjJK9K3vOw4UfM0/M= X-Received: by 2002:a5b:892:0:b0:9fe:195a:ce0d with SMTP id e18-20020a5b0892000000b009fe195ace0dmr3934270ybq.10.1677777568205; Thu, 02 Mar 2023 09:19:28 -0800 (PST) MIME-Version: 1.0 References: <20230302164129.4862-1-ubizjak@gmail.com> In-Reply-To: <20230302164129.4862-1-ubizjak@gmail.com> From: Uros Bizjak Date: Thu, 2 Mar 2023 18:19:16 +0100 Message-ID: Subject: Re: [PATCH v2 0/3] Improve trace/ring_buffer.c To: linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Masami Hiramatsu , Steven Rostedt Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 2, 2023 at 5:41=E2=80=AFPM Uros Bizjak wrot= e: > > *** BLURB HERE *** Eh... Here should read: This series improves ring_buffer.c by changing the type of some static functions to void or bool and uses try_cmpxchg instead of cmpxchg (*ptr, old, new) =3D=3D old where appropriate. v2: Convert only loops with cmpxchg. Cc: Steven Rostedt Cc: Masami Hiramatsu > Uros Bizjak (3): > ring_buffer: Change some static functions to void > ring_buffer: Change some static functions to bool > ring_buffer: Use try_cmpxchg instead of cmpxchg > > kernel/trace/ring_buffer.c | 77 ++++++++++++++++---------------------- > 1 file changed, 33 insertions(+), 44 deletions(-) > > -- > 2.39.2 >