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 90AE0C433F5 for ; Fri, 22 Apr 2022 21:08:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229647AbiDVVLQ (ORCPT ); Fri, 22 Apr 2022 17:11:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51132 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229614AbiDVVLQ (ORCPT ); Fri, 22 Apr 2022 17:11:16 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8270B36C924 for ; Fri, 22 Apr 2022 13:06:59 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id CE9AC61D4F for ; Fri, 22 Apr 2022 19:56:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E60C3C385A4; Fri, 22 Apr 2022 19:56:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1650657395; bh=EnbL+pFKQkK+jHPfkyfBk2Gg32ydsAob/y5+8BvD10c=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=RZLvzD1DThNfUKgCXWmuZZJYwrlljTvGbeDzghybTzHsZm/lUeSOZnA+uKOml5uCz M2PthXyz/opKHfyq5vx+wJ+Wx7nj2F46fI9R8PuTNdnKXGShxTWqlVFxnWKP6zbAtF mPmfcGrGe1udrxoyDeCseorWVBrezrM9dd9wxJAKCGEdisDA68gNxrLNfUE+K/QvFc elQgqp8tk5B6I5RoZ70w9GqZFy08NtMPez4zqG6q3p1usOJsYeooO7xdATdc4kbu3p 150pNdAYTHaQ16qF6T4mnP/QSxB2oCUOiEYOkOBnnToGxzMDxbwRJlVFFMIJCVnPhR VaFeS5tNm4QIg== Date: Fri, 22 Apr 2022 12:56:32 -0700 From: Jakub Kicinski To: Sebastian Andrzej Siewior Cc: netdev@vger.kernel.org, Eric Dumazet , "David S. Miller" , Paolo Abeni , Thomas Gleixner , Peter Zijlstra Subject: Re: [PATCH net] net: Use this_cpu_inc() to increment net->core_stats Message-ID: <20220422125632.3636444b@kernel.org> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, 21 Apr 2022 16:00:20 +0200 Sebastian Andrzej Siewior wrote: > @@ -3851,7 +3851,7 @@ static inline struct net_device_core_stats *dev_core_stats(struct net_device *de I think this needs to return __percpu now? Double check sparse is happy for v2, pls. > struct net_device_core_stats __percpu *p = READ_ONCE(dev->core_stats); > > if (likely(p)) > - return this_cpu_ptr(p); > + return p;