From patchwork Sat Dec 23 17:17:15 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tom Herbert X-Patchwork-Id: 852677 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=quantonium-net.20150623.gappssmtp.com header.i=@quantonium-net.20150623.gappssmtp.com header.b="nUxs+VoB"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3z3sX343K4z9s7f for ; Sun, 24 Dec 2017 04:17:55 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757109AbdLWRRq (ORCPT ); Sat, 23 Dec 2017 12:17:46 -0500 Received: from mail-pl0-f67.google.com ([209.85.160.67]:43859 "EHLO mail-pl0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752857AbdLWRRo (ORCPT ); Sat, 23 Dec 2017 12:17:44 -0500 Received: by mail-pl0-f67.google.com with SMTP id z5so14612916plo.10 for ; Sat, 23 Dec 2017 09:17:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quantonium-net.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=zN26o4jtAiQFjn/+R1t/+dRnQZzL2loOje0OjCX3wnQ=; b=nUxs+VoBobyqESbzYUyDX/bkjHPq/ppiH1Yeb4E15D3iPHENMXMomOUgL/ngSWqAKi 0h8sYNSX+Gg/5R8hhb5ZZFK2H2r06PQxHJG3fGAwvMSeXz6JKym7JblY9vOYRd+ArPU+ 2YKrNlGO95kw2jLG2AIGoJWpIu8wTfo3901BtkutldaFcxJutAjNGdnSuRRejVQmkUAz Im+6SnxlxQSuaJhocOS37XrH2DmblA9vE+mZ2hYlA4DLUU8FVkYWo0/+IggV8fy6iyMq HrOlqFRZRLuC6NvN4L3pCx0ImkomXnXvsc1RwFMubgsyi8NyOPZ/VGfy1vteN3GphHa5 SOCA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=zN26o4jtAiQFjn/+R1t/+dRnQZzL2loOje0OjCX3wnQ=; b=MGj6poj7n/aSRhuDomw7M347hIGqZIGK+GU1cOl5oxtLVIlIGWm0c+oBM2m7Xf1qM0 I3/J0VqgxoYXuB+Wy/lMhcD8B6cNYogpHCxQ9BXkszJo67tvBkv918ItMnseifjb24DG 4jhRpoyfHjiinnu+PLTtTtTbXqTDSuueE4DFeTlhhGilGv6SGyUGVIOv29WFFFouGoZs EuEqU+7ZRaoj+gDJLHtzWOAVqK7SQILBGs8FiD9wdNKJiReHvO3ro21prP6sLLOLzgv9 XFJ9EiO0fahvni5IPrYyrJfolhzIRgNiiDCXnsJWftLuBciAeCrzZizSGSUHsnTSe5E4 aoVA== X-Gm-Message-State: AKGB3mK/ZZiGf6434WXodsKDnUgPkblOO/Z+d8V4RBCqTNkruOjWijpC mHpJbTTV90G4qbmQAkR/aIhdQQ== X-Google-Smtp-Source: ACJfBosx7yMIeiAhgfH8upKxTSvXVQ7RAaJAIPjKr5l6iko6232palqyQQIDwuiQRdfZdlXTDEgflQ== X-Received: by 10.84.135.101 with SMTP id 92mr18496319pli.172.1514049464282; Sat, 23 Dec 2017 09:17:44 -0800 (PST) Received: from localhost.localdomain (c-73-162-13-107.hsd1.ca.comcast.net. [73.162.13.107]) by smtp.gmail.com with ESMTPSA id o84sm53446109pfa.46.2017.12.23.09.17.42 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 23 Dec 2017 09:17:43 -0800 (PST) From: Tom Herbert To: davem@davemloft.net Cc: netdev@vger.kernel.org, dvyukov@google.com, rohit@quantonium.net, Tom Herbert Subject: [PATCH v2 net-next 1/2] sock: Add sock_owned_by_user_nocheck Date: Sat, 23 Dec 2017 09:17:15 -0800 Message-Id: <20171223171716.16130-2-tom@quantonium.net> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20171223171716.16130-1-tom@quantonium.net> References: <20171223171716.16130-1-tom@quantonium.net> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This allows checking socket lock ownership with producing lockdep warnings. Signed-off-by: Tom Herbert --- include/net/sock.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/net/sock.h b/include/net/sock.h index 6c1db823f8b9..66fd3951e6f3 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1515,6 +1515,11 @@ static inline bool sock_owned_by_user(const struct sock *sk) return sk->sk_lock.owned; } +static inline bool sock_owned_by_user_nocheck(const struct sock *sk) +{ + return sk->sk_lock.owned; +} + /* no reclassification while locks are held */ static inline bool sock_allow_reclassification(const struct sock *csk) {