Received: by 2002:a05:6358:53a8:b0:117:f937:c515 with SMTP id z40csp839731rwe; Fri, 14 Apr 2023 10:19:06 -0700 (PDT) X-Google-Smtp-Source: AKy350ZU1sDqEf3dFuiuZuPU6APuX6tKdt7v5Rin4p/3T/+WM0I0yNsLw7cRKu2MHC642dU0k8AB X-Received: by 2002:a05:6a00:181f:b0:63b:7280:8a98 with SMTP id y31-20020a056a00181f00b0063b72808a98mr2322571pfa.17.1681492745778; Fri, 14 Apr 2023 10:19:05 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1681492745; cv=none; d=google.com; s=arc-20160816; b=iwdA3dUxWBc17yBhAG7OKDwHxhL8VQkZj8zSL7xplJ9QirGj3/P8bqYGv0CzE/i2X1 IVgLeySKhXPoxtgLu568cUYEG289qcJz7LZJtM8EUtSqEZwRMXElNvAhfWzjuP6Kr/qf EY6lh0/phg71aYjNO0f+5bSZ0SbecZqYcyYH9y03MST6TU3Vaia/RqckL3drORkQrthd g8g29QEJ8Iae5MMskto3aWiwfdT8u8z8NW86Y2tZV0xF7+VJ6PZp5cV2+5ipu3oKsxlJ Gq7jzas8gGTwSSfBCW5fZ4ZkuRZeRhz8e6kEDPTHeMMPeNlhUEfDsnEeoHlsuy0ZwqVI UcrA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :dkim-signature; bh=Ti6cYdcZoKEE42acSDYdLZZ8XvUjNJ9ejinmTKxANOc=; b=l6XfueUIXNb1PI/gZh5R+xqtMdFXv2z9HMfNT8RA9dI8l+IkHSVWleINsKxVCthR/n z2Wk93I28FjprSFCsRQQ1tKbfZtg1woxOOeUlSIRMRK2JNtxCQ4dcGz88W/YCALO+9Uq hNW4QH/x8e/Wiy0Epe+ofDMSHUeje8F+mIxshnZuedSrS3WzAcE6UGto90rW5RLbtvTV tiaTCV3bENp3klh6K/SC7LZ+tDKeprlG7qdo+3/xiL9yWrxn6t0Z5c8PS0mVDMvhUu7M BqV6lqvu4LfMGn+yS68A64FWsdmfQqwYf0dYElCR8XxCiBrmt+YYWMmujV0YSqV5gcxR IHWA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b=4InsRRvR; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id 5-20020a620505000000b0063afd8a5b8dsi4674092pff.186.2023.04.14.10.18.51; Fri, 14 Apr 2023 10:19:05 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b=4InsRRvR; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230192AbjDNRKr (ORCPT + 99 others); Fri, 14 Apr 2023 13:10:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37108 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229744AbjDNRKp (ORCPT ); Fri, 14 Apr 2023 13:10:45 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4C915B4; Fri, 14 Apr 2023 10:10:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=Ti6cYdcZoKEE42acSDYdLZZ8XvUjNJ9ejinmTKxANOc=; b=4InsRRvRPC1aGBxCPZpgSSoMPY OAvGUEm0s8N1CDjsOEQHbh4bxagIo50k+E8anop6y8pKG+Bkpwx+4kHHZ2MW987Jop7xaBluBUFPz 4qb765rlUELgMKnjJZkWPbez/wg9DHFF7O5WlAEFX1BFr8V33oIr+Au9sW4Lp8krQRKZBLpL7gRvz HDVgLqcQsjCHeUd2fFhNFmz8hYgFh2ABxoJr6rRkAjk2U5GRtv2kv31AENQtFecfQ9+iP/fyt3+Gy qbSh9X+mRUSGC+Hl/7I4OtP9k5tjcnJCb3jctZH4E+76SyPlxnGbLNQECO9pL/BmCvZ9/1wlNOwdR VVRHeevA==; Received: from mcgrof by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1pnMwY-00ACgB-2N; Fri, 14 Apr 2023 17:10:38 +0000 Date: Fri, 14 Apr 2023 10:10:38 -0700 From: Luis Chamberlain To: david@redhat.com, patches@lists.linux.dev, linux-modules@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, pmladek@suse.com, petr.pavlu@suse.com, prarit@redhat.com, torvalds@linux-foundation.org, gregkh@linuxfoundation.org, rafael@kernel.org Cc: christophe.leroy@csgroup.eu, tglx@linutronix.de, peterz@infradead.org, song@kernel.org, rppt@kernel.org, dave@stgolabs.net, willy@infradead.org, vbabka@suse.cz, mhocko@suse.com, dave.hansen@linux.intel.com, colin.i.king@gmail.com, jim.cromie@gmail.com, catalin.marinas@arm.com, jbaron@akamai.com, rick.p.edgecombe@intel.com Subject: Re: [PATCH v3 1/2] Change DEFINE_SEMAPHORE() to take a number argument Message-ID: References: <20230414051349.1986744-1-mcgrof@kernel.org> <20230414051349.1986744-2-mcgrof@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230414051349.1986744-2-mcgrof@kernel.org> Sender: Luis Chamberlain X-Spam-Status: No, score=-4.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 13, 2023 at 10:13:48PM -0700, Luis Chamberlain wrote: > From: Peter Zijlstra > [mcgrof: add some tribal knowledge about why some folks prefer > binary sempahores over mutexes] Jeesh, sorry I thought I had replaced the tribal knowledge tibit with what Matthew had suggested before, will do that in v4. Luis