From patchwork Sun Sep 27 19:49:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Gleixner X-Patchwork-Id: 259131 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=-7.0 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 12E71C4727F for ; Sun, 27 Sep 2020 20:00:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CB80823A54 for ; Sun, 27 Sep 2020 20:00:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="BNwpzMCN"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="RneFpvEa" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726762AbgI0T7r (ORCPT ); Sun, 27 Sep 2020 15:59:47 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:41714 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727137AbgI0T6D (ORCPT ); Sun, 27 Sep 2020 15:58:03 -0400 Message-Id: <20200927194923.031899444@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1601236665; 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=c0LQ/6xJuhVNob25oG2NjVswf02HdLBqhSkgCWoFfG4=; b=BNwpzMCNvEzgCA9bu4GlhMhhVdvRv79cj4yGgf9wGod1HvEwCRyKBd/mo4XyX569hvlTTV mJ8sDlGJUh0s7n0Kg121twB5Jk9x4633y93i3wCm3n+AR/9NwI9BpWIgkqQHitRErACx1s /nbFmIsYBdEu1M7KDXEbdsnS0ulwBIvX4+s3EZDnz4/QmX9l4+o70l9Y0zTGxuj3CS4iq5 SBqQknFV6jUPDMHVq82D4ARNcN/u69R4znf24pft2CAbPGS4EiwY/Gbol8v8VoejFljSKM gyMSl5tgawDOb3rajivW7LKoSbrLaW/EwO+W64Abvivr0Xi1Izy74USxL6KGtQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1601236665; 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=c0LQ/6xJuhVNob25oG2NjVswf02HdLBqhSkgCWoFfG4=; b=RneFpvEarxklOXRwGHvMzSys1JfSZFNJD6ldlfH4hBbqdL6tpHU4K7CeDilZFuYy5rLaD2 ADxwxws26Ji8tMAA== Date: Sun, 27 Sep 2020 21:49:18 +0200 From: Thomas Gleixner To: LKML Cc: Peter Zijlstra , Linus Torvalds , Paul McKenney , Matthew Wilcox , Sebastian Andrzej Siewior , Kalle Valo , "David S. Miller" , Jakub Kicinski , Pascal Terjan , libertas-dev@lists.infradead.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, Christian Benvenuti , Govindarajulu Varadarajan <_govind@gmx.com>, Dave Miller , Jonathan Corbet , Mauro Carvalho Chehab , linux-doc@vger.kernel.org, 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 , 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 , Ping-Ke Shih Subject: [patch 32/35] net: libertas: Use netif_rx_any_context() References: <20200927194846.045411263@linutronix.de> MIME-Version: 1.0 Content-transfer-encoding: 8-bit Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Sebastian Andrzej Siewior The usage of in_interrupt() in non-core code is phased out. Ideally the information of the calling context should be passed by the callers or the functions be split as appropriate. libertas uses in_interupt() to select the netif_rx*() variant which matches the calling context. The attempt to consolidate the code by passing an arguemnt or by distangling it failed due lack of knowledge about this driver and because the call chains are hard to follow. As a stop gap tse netif_rx_any_context() which invokes the correct code path depending on context and confines the in_interrupt() usage to core code. Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Thomas Gleixner Cc: Kalle Valo Cc: "David S. Miller" Cc: Jakub Kicinski Cc: Pascal Terjan Cc: libertas-dev@lists.infradead.org Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org --- drivers/net/wireless/marvell/libertas/rx.c | 11 ++--------- 1 file changed, 2 insertions(+), 9 deletions(-) --- a/drivers/net/wireless/marvell/libertas/rx.c +++ b/drivers/net/wireless/marvell/libertas/rx.c @@ -147,10 +147,7 @@ int lbs_process_rxed_packet(struct lbs_p dev->stats.rx_packets++; skb->protocol = eth_type_trans(skb, dev); - if (in_interrupt()) - netif_rx(skb); - else - netif_rx_ni(skb); + netif_rx_any_context(skb); ret = 0; done: @@ -265,11 +262,7 @@ static int process_rxed_802_11_packet(st dev->stats.rx_packets++; skb->protocol = eth_type_trans(skb, priv->dev); - - if (in_interrupt()) - netif_rx(skb); - else - netif_rx_ni(skb); + netif_rx_any_context(skb); ret = 0;