From owner-dev-commits-src-all@freebsd.org Tue May 25 18:14:58 2021 Return-Path: Delivered-To: dev-commits-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 1E12E6517FC; Tue, 25 May 2021 18:14:58 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4FqMgP4gHQz3v12; Tue, 25 May 2021 18:14:57 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 87B82224E7; Tue, 25 May 2021 18:14:57 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 14PIEvvw043766; Tue, 25 May 2021 18:14:57 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 14PIEvPN043765; Tue, 25 May 2021 18:14:57 GMT (envelope-from git) Date: Tue, 25 May 2021 18:14:57 GMT Message-Id: <202105251814.14PIEvPN043765@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: "Bjoern A. Zeeb" Subject: git: fa58da02f708 - main - LinuxKPI: add rcu_dereference_check() MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: bz X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: fa58da02f708a22200a89032b8eaf35e1c8ef4a6 Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-all@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for all branches of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 25 May 2021 18:14:58 -0000 The branch main has been updated by bz: URL: https://cgit.FreeBSD.org/src/commit/?id=fa58da02f708a22200a89032b8eaf35e1c8ef4a6 commit fa58da02f708a22200a89032b8eaf35e1c8ef4a6 Author: Bjoern A. Zeeb AuthorDate: 2021-05-24 18:40:42 +0000 Commit: Bjoern A. Zeeb CommitDate: 2021-05-25 18:01:46 +0000 LinuxKPI: add rcu_dereference_check() Add a define for rcu_dereference_check() to rcu_dereference_protected() which ignores the check argument. Our lockdep compat implementation for use cases found in iwlwifi would return 1 anyway. Sponsored by: The FreeBSD Foundation MFC after: 2 weeks Reviewed by: hselasky Differential Revision: https://reviews.freebsd.org/D30436 --- sys/compat/linuxkpi/common/include/linux/rcupdate.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/rcupdate.h b/sys/compat/linuxkpi/common/include/linux/rcupdate.h index ea97fecee53b..bd8335216d1d 100644 --- a/sys/compat/linuxkpi/common/include/linux/rcupdate.h +++ b/sys/compat/linuxkpi/common/include/linux/rcupdate.h @@ -87,6 +87,9 @@ #define rcu_dereference(p) \ rcu_dereference_protected(p, 0) +#define rcu_dereference_check(p, c) \ + rcu_dereference_protected(p, c) + #define rcu_dereference_raw(p) \ ((__typeof(*p) *)READ_ONCE(p))