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=-5.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham 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 E2622C43218 for ; Fri, 26 Apr 2019 21:20:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B4FD6206C1 for ; Fri, 26 Apr 2019 21:20:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="FrC/QZgt" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726888AbfDZVUL (ORCPT ); Fri, 26 Apr 2019 17:20:11 -0400 Received: from vps0.lunn.ch ([185.16.172.187]:46110 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726134AbfDZVUL (ORCPT ); Fri, 26 Apr 2019 17:20:11 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=OY3F5Gj9QO9UZqx4rQwmu6F/35E9QfP1fr+CXeR8oF4=; b=FrC/QZgtVSlMc5LqBx5uRHazFl pKcOy0ky3CV0BeU1uJ1Y9FeF+paibCK15rQ0Syobh0tukRTcTTO0zrzviwL+9Xwxbdk8/dmHfcgHB jxLGpkE1QPMgH0GO0p6TUHWLk4t85yYRa+HbP6P5QwAKd+Hmz3fKu4Q/hlqxRsvz3Rxs=; Received: from andrew by vps0.lunn.ch with local (Exim 4.89) (envelope-from ) id 1hK8GO-0005Ok-LW; Fri, 26 Apr 2019 23:20:08 +0200 Date: Fri, 26 Apr 2019 23:20:08 +0200 From: Andrew Lunn To: Igor Russkikh Cc: "David S . Miller" , "netdev@vger.kernel.org" , Nikita Danilov , Dmitry Bogdanov Subject: Re: [PATCH v3 net-next 10/15] net: aquantia: introduce fwreq mutex Message-ID: <20190426212008.GR4041@lunn.ch> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Fri, Apr 26, 2019 at 09:48:02AM +0000, Igor Russkikh wrote: > From: Nikita Danilov > > Some of FW operations could be invoked simultaneously, > from f.e. ethtool context and from service service activity work. > Here we introduce a fw mutex to secure and serialize access > to FW logic. > > Signed-off-by: Nikita Danilov > Signed-off-by: Igor Russkikh I still think it would be a good idea to put in the low level code a check that the mutex is actually held when talking to the firmware. Reviewed-by: Andrew Lunn Andrew