From patchwork Tue Sep 29 20:25:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Gleixner X-Patchwork-Id: 289353 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=-6.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 DB9A5C54FD4 for ; Tue, 29 Sep 2020 20:40:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 89C67206B5 for ; Tue, 29 Sep 2020 20:40:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="YRWcY4qQ"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="WFmJHvuh" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730194AbgI2Uk3 (ORCPT ); Tue, 29 Sep 2020 16:40:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37198 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726623AbgI2Ufs (ORCPT ); Tue, 29 Sep 2020 16:35:48 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 84319C061755; Tue, 29 Sep 2020 13:35:48 -0700 (PDT) Message-Id: <20200929203500.165559775@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1601411747; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: references:references; bh=I5bkpzGc95iqlSI682ycH8a3z0r0S1WRNaPKiu7qtDw=; b=YRWcY4qQA4Rx8yecZxU9xEe5NlhGJjKIL3P4vppgEyEgeGoHXMZU4WYMXwXudr/l2X1OSC 1UDFIZYPklDcZbVuB5hQI6B3gC/0GfBpZvlHnwW7PtD0HrAnvAoooZPVHU9ljA9AGBMzcH laPrCc+55G9NgHmW7kjysGmbNwA51Yo6UkB3zpUrOE9vMiKTnEZ58Yl9evsVPbhaGp2HtQ eDK/BbkzuMU61x7/660M6Qwoa7Uu7Q7owd431k4RcFaTjZFTp4OSGWYL8Rqg77qd90q2aX 81RZRk5KS7WgrJMCbrSQmPgiZ+hVZrQKoDUo5ag0khnmm0M7ztLaHnyOx4aZ5g== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1601411747; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: references:references; bh=I5bkpzGc95iqlSI682ycH8a3z0r0S1WRNaPKiu7qtDw=; b=WFmJHvuhyYk14SGnFBBHY1giMxRNcBAOHAw4ToyFBRM/D3Nuxp8W4Yq5TuhR0Kb5yvKNKw WnuRLs5GuEgzp+DA== Date: Tue, 29 Sep 2020 22:25:16 +0200 From: Thomas Gleixner To: LKML Cc: Peter Zijlstra , Paul McKenney , Matthew Wilcox , Christian Benvenuti , Govindarajulu Varadarajan <_govind@gmx.com>, Dave Miller , Jakub Kicinski , netdev@vger.kernel.org, Jonathan Corbet , Mauro Carvalho Chehab , linux-doc@vger.kernel.org, Sebastian Andrzej Siewior , Luc Van Oostenryck , Jay Cliburn , Chris Snook , Vishal Kulkarni , Jeff Kirsher , intel-wired-lan@lists.osuosl.org, Shannon Nelson , Pensando Drivers , Andrew Lunn , Heiner Kallweit , Russell King , Thomas Bogendoerfer , Solarflare linux maintainers , Edward Cree , Martin Habets , Jon Mason , Daniel Drake , Ulrich Kunitz , Kalle Valo , linux-wireless@vger.kernel.org, linux-usb@vger.kernel.org, Greg Kroah-Hartman , Arend van Spriel , Franky Lin , Hante Meuleman , Chi-Hsien Lin , Wright Feng , brcm80211-dev-list.pdl@broadcom.com, brcm80211-dev-list@cypress.com, Stanislav Yakovlev , Stanislaw Gruszka , Johannes Berg , Emmanuel Grumbach , Luca Coelho , Intel Linux Wireless , Jouni Malinen , Amitkumar Karwar , Ganapathi Bhat , Xinming Hu , libertas-dev@lists.infradead.org, Pascal Terjan , Ping-Ke Shih Subject: [patch V2 07/36] net: cxbg4: Remove pointless in_interrupt() check References: <20200929202509.673358734@linutronix.de> MIME-Version: 1.0 Content-transfer-encoding: 8-bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Thomas Gleixner t4_sge_stop() is only ever called from task context and the in_interrupt() check is presumably a leftover from copying t3_sge_stop(). Aside of in_interrupt() being deprecated because it's not providing what it claims to provide, this check would paper over illegitimate callers. The functions invoked from t4_sge_stop() contain already warnings to catch invocations from invalid contexts. Remove it. Signed-off-by: Thomas Gleixner --- drivers/net/ethernet/chelsio/cxgb4/sge.c | 3 --- 1 file changed, 3 deletions(-) --- a/drivers/net/ethernet/chelsio/cxgb4/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c @@ -4872,9 +4872,6 @@ void t4_sge_stop(struct adapter *adap) int i; struct sge *s = &adap->sge; - if (in_interrupt()) /* actions below require waiting */ - return; - if (s->rx_timer.function) del_timer_sync(&s->rx_timer); if (s->tx_timer.function)