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 92671C433F5 for ; Wed, 15 Dec 2021 11:19:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242062AbhLOLTM (ORCPT ); Wed, 15 Dec 2021 06:19:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34742 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242016AbhLOLTC (ORCPT ); Wed, 15 Dec 2021 06:19:02 -0500 Received: from mail-lj1-x22b.google.com (mail-lj1-x22b.google.com [IPv6:2a00:1450:4864:20::22b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CFCC3C06173E; Wed, 15 Dec 2021 03:19:01 -0800 (PST) Received: by mail-lj1-x22b.google.com with SMTP id z8so32765845ljz.9; Wed, 15 Dec 2021 03:19:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=xT5IjP1JnQkIprU+ASPyKrcT111YK+PQBvjkW+Yhwt0=; b=V34l3oWK4R0ILeuEwoveQSgL4EoYgYRNT+KpMZTaDxq9aUYT+5fT8k8nLv5wlnCEIX zGDkbPCRPwL/PlrslFfXvGt8XBVzApxwW/qOeAfUDIaKlrL6loGKtrEJcca0asqIdo0q fIZMmN8n5d3JjL4dMPYM1S5tci52UiidTXBBwH79VjPh1SOqev/12o6+y1TeC4g41171 Pnhqk8rfxfiT4Es3vcSJc9n3tQdpIOTlzkCI70j4k4PpM7ehYE7JUOh6Njlpb+0oTCFa bTGhNtcGKnP1eFnqoNOasxxiQ2FlAF+TiOLA4e+fo5gw4n9R/kB2YG2qtYWWMUTGbQJB vi2w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=xT5IjP1JnQkIprU+ASPyKrcT111YK+PQBvjkW+Yhwt0=; b=trh3v5wDCkysOL2fu9dd+EcxPRSGiadTFvEYZnQKiK6Gh1Ge4RkdBf9TkMKmDakcnh YMnXxPETteANny0scQAH5bLjMYDqBEStbfwz2QW5s27rkuyLN3kZnr3qw0l6m2fU5mPY qlOKA8QvAvgI6OluuJX8abBYbc/govYXGL+EeYiDUJ5KXnGlfZWfHP886eBUgWLd9uA5 k0uQKiXs20xKiapi+UeGVtydg5MIZswojROAonBJhC+koCSK3mKu0RtoMt+XzSQXSveJ pIcJ9Wln4la7BModK8H3Z4EBNlVISPo1E72u1qFJVRDLEIN15FXTGgE1Si30b0Ll80zw PbWg== X-Gm-Message-State: AOAM531uB1vmygr5RhqrO+6wZa9m/vSYBDaw0SNnva3cAsVrjDKCdgsC efrOb2EUKJIQv+709vJVKNX5vJs2ebvwyalv X-Google-Smtp-Source: ABdhPJxnJeL01THWlxPPh5GovIkUlNcPnK3+7W089auFGFZQ/BqDaZCbqiAeg2dtFtUKo3XvCeeCcA== X-Received: by 2002:a2e:bd13:: with SMTP id n19mr9902919ljq.113.1639567140175; Wed, 15 Dec 2021 03:19:00 -0800 (PST) Received: from pc638.lan (h5ef52e3d.seluork.dyn.perspektivbredband.net. [94.245.46.61]) by smtp.gmail.com with ESMTPSA id n17sm383906ljg.128.2021.12.15.03.18.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Dec 2021 03:18:59 -0800 (PST) From: "Uladzislau Rezki (Sony)" To: LKML , RCU , "Paul E . McKenney" Cc: Michal Hocko , Andrew Morton , Daniel Axtens , Frederic Weisbecker , Neeraj Upadhyay , Joel Fernandes , Peter Zijlstra , Thomas Gleixner , "Theodore Y . Ts'o" , Sebastian Andrzej Siewior , Uladzislau Rezki , Oleksiy Avramchenko Subject: [PATCH] mlxsw: core: Switch to kvfree_rcu() API Date: Wed, 15 Dec 2021 12:18:43 +0100 Message-Id: <20211215111845.2514-7-urezki@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211215111845.2514-1-urezki@gmail.com> References: <20211215111845.2514-1-urezki@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Instead of invoking a synchronize_rcu() to free a pointer after a grace period we can directly make use of new API that does the same but in more efficient way. TO: David S. Miller TO: Jakub Kicinski TO: netdev@vger.kernel.org Signed-off-by: Uladzislau Rezki (Sony) --- drivers/net/ethernet/mellanox/mlxsw/core.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c index 3fd3812b8f31..47c29769759b 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core.c @@ -2190,8 +2190,7 @@ void mlxsw_core_rx_listener_unregister(struct mlxsw_core *mlxsw_core, if (!rxl_item) return; list_del_rcu(&rxl_item->list); - synchronize_rcu(); - kfree(rxl_item); + kvfree_rcu(rxl_item); } EXPORT_SYMBOL(mlxsw_core_rx_listener_unregister); -- 2.30.2