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 EC19DC3DA7A for ; Fri, 6 Jan 2023 12:18:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230041AbjAFMSn (ORCPT ); Fri, 6 Jan 2023 07:18:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52902 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232518AbjAFMSZ (ORCPT ); Fri, 6 Jan 2023 07:18:25 -0500 Received: from mail-pf1-x436.google.com (mail-pf1-x436.google.com [IPv6:2607:f8b0:4864:20::436]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ACE1A736DA for ; Fri, 6 Jan 2023 04:18:24 -0800 (PST) Received: by mail-pf1-x436.google.com with SMTP id a30so936286pfr.6 for ; Fri, 06 Jan 2023 04:18:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=resnulli-us.20210112.gappssmtp.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=ptXOrC+Dvw9rpK3vgbn5BZFbQi4xFwSctHFnYUozeLM=; b=1pQj22aEs9YRCl7pN5yEC/GqUvqQZdGnwVv8NAoE+Ysg1E3SrwuW+63fNSN4jd6Tyc OwylFZwnb2/EotodzogOBivQtOP3wLDfxaV6V9sFBK8+b753Vo175V0PVztw7+Ohff0D T7DirN/WtYwDQghnJsE11uaOVDsFgmh6DeWUhl4oq52z7ArigoXJVTnkguvtravG8kyc VZyzv7d7dJLhC7sc4t+Yp55/6Bi9l2vXbivLBthcpJCiTqQHEMbPOhc3xskRdGh4eIFk ot27gtyZso0qXkVbyguXyPI+DsWaKO9TyyXvioOjruoxR3y5HRQWem6eSGRmXZyJBb9s Ft7A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=ptXOrC+Dvw9rpK3vgbn5BZFbQi4xFwSctHFnYUozeLM=; b=yi7md7U97KY1v0II3uUpyBIWhlw7hrGdYx5fgC7WPV6lihvOcEnQNcm0st2fCe9zod VwiTBL244JliHDS6vShVnlfEowZbutUQ3yyiB9MjArzzN7tjMio+IIzS7YT4kXK41BIO T1hz1+X47eoRXyNktVraTc70cmknudWszPL/eBm80gg4oCEzOx9CPQvRnAjJ4/XeJIcv w2InO+kWxNw4ptaxKz1i2PR05n3RZm2u5OKQtmbgxJT+iUDIdA20g5xR+qfg6YNxz2kK rGxmHNepuPxXPzdvfy4U5LFH+u8nNqEN6d6tB9GXHisbfsRl5lOAOecKHJuB0JxNUYc0 TI8w== X-Gm-Message-State: AFqh2ko+ypmIdRV9xKDOHNDCK8YToAWEv8/T8UWqGlXLq8pcVsL5q9u1 rpcXW5yQBtah6uUS5XPNjjPu3A== X-Google-Smtp-Source: AMrXdXshG2xKs+YDQXIX80nnbUyee0Tw9MtO9cHimN9NPKUFdOIwmvOS8dy4ZHLqORtgTc7Y9Xy+jw== X-Received: by 2002:aa7:828c:0:b0:57f:eb31:c306 with SMTP id s12-20020aa7828c000000b0057feb31c306mr48960279pfm.1.1673007504244; Fri, 06 Jan 2023 04:18:24 -0800 (PST) Received: from localhost (thunderhill.nvidia.com. [216.228.112.22]) by smtp.gmail.com with ESMTPSA id w66-20020a627b45000000b00582bdaab584sm1001885pfc.81.2023.01.06.04.18.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Jan 2023 04:18:23 -0800 (PST) Date: Fri, 6 Jan 2023 13:18:20 +0100 From: Jiri Pirko To: Jakub Kicinski Cc: davem@davemloft.net, netdev@vger.kernel.org, edumazet@google.com, pabeni@redhat.com, jacob.e.keller@intel.com Subject: Re: [PATCH net-next 3/9] devlink: protect devlink->dev by the instance lock Message-ID: References: <20230106063402.485336-1-kuba@kernel.org> <20230106063402.485336-4-kuba@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230106063402.485336-4-kuba@kernel.org> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Fri, Jan 06, 2023 at 07:33:56AM CET, kuba@kernel.org wrote: >devlink->dev is assumed to be always valid as long as any >outstanding reference to the devlink instance exists. > >In prep for weakening of the references take the instance lock. > >Signed-off-by: Jakub Kicinski Reviewed-by: Jiri Pirko