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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E1AC7C27C53 for ; Wed, 12 Jun 2024 22:53:55 +0000 (UTC) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=kernel-dk.20230601.gappssmtp.com header.i=@kernel-dk.20230601.gappssmtp.com header.a=rsa-sha256 header.s=20230601 header.b=BDzK5ONz; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4W01753Yytz3cW4 for ; Thu, 13 Jun 2024 08:53:53 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=kernel.dk Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel-dk.20230601.gappssmtp.com header.i=@kernel-dk.20230601.gappssmtp.com header.a=rsa-sha256 header.s=20230601 header.b=BDzK5ONz; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.dk (client-ip=2607:f8b0:4864:20::1036; helo=mail-pj1-x1036.google.com; envelope-from=axboe@kernel.dk; receiver=lists.ozlabs.org) Received: from mail-pj1-x1036.google.com (mail-pj1-x1036.google.com [IPv6:2607:f8b0:4864:20::1036]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4W016C4yNpz30WB for ; Thu, 13 Jun 2024 08:53:04 +1000 (AEST) Received: by mail-pj1-x1036.google.com with SMTP id 98e67ed59e1d1-2c3071634bdso42556a91.0 for ; Wed, 12 Jun 2024 15:53:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20230601.gappssmtp.com; s=20230601; t=1718232780; x=1718837580; darn=lists.ozlabs.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=HCKGfocKzBU0+xeBiPtl1Ex5TwQcMh3k2EBSdA3xSn0=; b=BDzK5ONzR+yqeuP6636F4fLubeheXqDosIoAaMrijT5gXTyD0o0wGYauggn3cGuQ7A bucLraDuPDZzg33q96WJhh+KzMHnwzCTtVHtYLjnyrG+aRrN/QF0T8XGmHP1p35nNjwN oLUSXVkWd5NPkhFxO8cRqvofRUJp1FrWkBHuuUyBdzIE16ZSebPfmSBZu+QAMc4ove9I pcPdOf3ZM3+GAWMwVaH71F/4xM1UBH+TH1SHDNiudYRUtU2F9Rkz+obK8CAL2AORTn/c R3VnmxAbQ14LblSOpHnF7GbIIjdib9QW2rFv0JIa7kOBihkJ2pPzRmPZmmxzxmipU7FH uxEw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1718232780; x=1718837580; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=HCKGfocKzBU0+xeBiPtl1Ex5TwQcMh3k2EBSdA3xSn0=; b=dmFat+Rh/KAPg8Ot0eRIN8/Bg4lxvcP2KNJOl8oQJ+6rclqFWNmqrRMRdyGXTQszcR U/bZAc6XLH2HFcFOH6mAVLHPVMOJt4WJKK7mB7TuZ1BhsLhEe/ILRfVW/u/qmuCZ1IyF 4803v0eGIZsCblyOTKdRMV5dZwOtTmpt3gt25+sjs+ReC/wKdbD/5O6JCJc1orqhpxUB I/4YQIKLeI0B0Sro1AXi7ltScD9/1Pev0cKJq7RIvb/hUrG/RH63L0HfROmjKP3ett4g tk4yQX6GAisNxEqBCA67EGM8dVFmw5Vgs88/X3Auy59V74I5G3K/9U/+s02UcfFbeOYT FqLQ== X-Forwarded-Encrypted: i=1; AJvYcCUh7uFWdG/rDHyp1YbAniOKqQPkJZG1gtb3aAmn3A1iXz83T1T4JKZIcDK2gQr2FahkNRZ4YvQugCypeJU=@lists.ozlabs.org X-Gm-Message-State: AOJu0Yz/1w5u2wnnsJqnMxrudcZpVRSg2xCuipiijryomGxbBILvbxcp 9D8+obFNXuucAcQGc/FopAJrPY9pKI3M9xKBchTKDOhgbMpAUTr6EU0POqHSPQ4= X-Google-Smtp-Source: AGHT+IH5UZSMoyLCwmMYbQsnXovMsmtOxcZgzfit4qNG1yAnUakar4EveGlx5xiJfFg6llU0rCt4rg== X-Received: by 2002:a05:6a20:5647:b0:1af:acda:979d with SMTP id adf61e73a8af0-1b8a9b4e85fmr2859600637.1.1718232780575; Wed, 12 Jun 2024 15:53:00 -0700 (PDT) Received: from [192.168.1.150] ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-705ccb3d2c5sm73821b3a.105.2024.06.12.15.52.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 12 Jun 2024 15:53:00 -0700 (PDT) Message-ID: <7e58e73d-4173-49fe-8f05-38a3699bc2c1@kernel.dk> Date: Wed, 12 Jun 2024 16:52:57 -0600 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 00/14] replace call_rcu by kfree_rcu for simple kmem_cache_free callback To: paulmck@kernel.org, Jakub Kicinski References: <20240609082726.32742-1-Julia.Lawall@inria.fr> <20240612143305.451abf58@kernel.org> Content-Language: en-US From: Jens Axboe In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kvm@vger.kernel.org, Neil Brown , Lai Jiangshan , Olga Kornievskaia , kernel-janitors@vger.kernel.org, Dai Ngo , Christophe Leroy , coreteam@netfilter.org, "Naveen N. Rao" , linux-trace-kernel@vger.kernel.org, bridge@lists.linux.dev, ecryptfs@vger.kernel.org, Nicholas Piggin , linux-can@vger.kernel.org, linux-block@vger.kernel.org, Mathieu Desnoyers , Vlastimil Babka , Tom Talpey , linux-nfs@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Julia Lawall , netfilter-devel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, wireguard@lists.zx2c4.com Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 6/12/24 4:37 PM, Paul E. McKenney wrote: > [PATCH 09/14] block: replace call_rcu by kfree_rcu for simple kmem_cache_free callback > I don't see a kmem_cache_destroy(), but then again, I also don't > see the kmem_cache_create(). Unless someone can see what I am > not seeing, let's wait. It's in that same file: blk_ioc_init() the cache itself never goes away, as the ioc code is not unloadable. So I think the change there should be fine. -- Jens Axboe