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 X-Spam-Level: X-Spam-Status: No, score=-3.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT 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 80EE1C2D0F9 for ; Wed, 13 May 2020 06:31:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 60CA020718 for ; Wed, 13 May 2020 06:31:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="WCEMuVgh" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730170AbgEMG2Z (ORCPT ); Wed, 13 May 2020 02:28:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46056 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729992AbgEMG2T (ORCPT ); Wed, 13 May 2020 02:28:19 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 89577C061A0E; Tue, 12 May 2020 23:28:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:In-Reply-To:References; bh=AG2RtlJ7y9O44y7CM+5Y55kgsqMdi5zmGGc+3SDRxq8=; b=WCEMuVgh4ZCeigkMFy94+mId1g gh0Igbk9vi9s0Nf0anxjWE8uw6ABaQK+5+LaKpNFUHA+zf0D919KpO4aJY2VWo7p1QEdzsWYbfYE1 ONYsiXd9fdvHslF9UXMZqp6QUOnmxAYZwP2dn34xAmDZzON/e8nSVNnr721D+sw/O5rHr7UcsK6mO HSxECWTkiypKRzFQFHzArwuIE38ZopK9LEyh7+kEKbL+4aJLTGj2I5cW3gZ22+vmtXtEY9Pl73HhN vcT29xWjHPMXK5XFCdsQA+ZaH+xRK6mUJGYid122hF4Ce47/IUMWYtLRChUrGSjyNKanSSQmBUX9v ypmYTpGg==; Received: from [2001:4bb8:180:9d3f:c70:4a89:bc61:2] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jYkqx-0003lt-48; Wed, 13 May 2020 06:26:51 +0000 From: Christoph Hellwig To: "David S. Miller" , Jakub Kicinski Cc: Eric Dumazet , Alexey Kuznetsov , Hideaki YOSHIFUJI , Vlad Yasevich , Neil Horman , Marcelo Ricardo Leitner , Jon Maloy , Ying Xue , drbd-dev@lists.linbit.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, linux-nvme@lists.infradead.org, target-devel@vger.kernel.org, linux-afs@lists.infradead.org, linux-cifs@vger.kernel.org, cluster-devel@redhat.com, ocfs2-devel@oss.oracle.com, netdev@vger.kernel.org, linux-sctp@vger.kernel.org, ceph-devel@vger.kernel.org, rds-devel@oss.oracle.com, linux-nfs@vger.kernel.org Subject: remove kernel_setsockopt and kernel_getsockopt Date: Wed, 13 May 2020 08:26:15 +0200 Message-Id: <20200513062649.2100053-1-hch@lst.de> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hi Dave, this series removes the kernel_setsockopt and kernel_getsockopt functions, and instead switches their users to small functions that implement setting (or in one case getting) a sockopt directly using a normal kernel function call with type safety and all the other benefits of not having a function call. In some cases these functions seem pretty heavy handed as they do a lock_sock even for just setting a single variable, but this mirrors the real setsockopt implementation - counter to that a few kernel drivers just set the fields directly already. Nevertheless the diffstat looks quite promising: 42 files changed, 721 insertions(+), 799 deletions(-)