From owner-svn-src-all@freebsd.org Wed Dec 12 10:05:42 2018 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A82D41335FE6; Wed, 12 Dec 2018 10:05:42 +0000 (UTC) (envelope-from hselasky@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) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4D55C83E39; Wed, 12 Dec 2018 10:05:42 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 410956692; Wed, 12 Dec 2018 10:05:42 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id wBCA5gSp002654; Wed, 12 Dec 2018 10:05:42 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id wBCA5gL5002653; Wed, 12 Dec 2018 10:05:42 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <201812121005.wBCA5gL5002653@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Wed, 12 Dec 2018 10:05:42 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r341848 - stable/11/sys/compat/linuxkpi/common/include/asm X-SVN-Group: stable-11 X-SVN-Commit-Author: hselasky X-SVN-Commit-Paths: stable/11/sys/compat/linuxkpi/common/include/asm X-SVN-Commit-Revision: 341848 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 4D55C83E39 X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-0.66 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_SHORT(-0.66)[-0.659,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 12 Dec 2018 10:05:42 -0000 Author: hselasky Date: Wed Dec 12 10:05:41 2018 New Revision: 341848 URL: https://svnweb.freebsd.org/changeset/base/341848 Log: MFC r341591: Fix build of the atomic long LinuxKPI header file on some platforms. Sponsored by: Mellanox Technologies Modified: stable/11/sys/compat/linuxkpi/common/include/asm/atomic-long.h Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/compat/linuxkpi/common/include/asm/atomic-long.h ============================================================================== --- stable/11/sys/compat/linuxkpi/common/include/asm/atomic-long.h Wed Dec 12 10:04:34 2018 (r341847) +++ stable/11/sys/compat/linuxkpi/common/include/asm/atomic-long.h Wed Dec 12 10:05:41 2018 (r341848) @@ -78,7 +78,15 @@ atomic_long_dec(atomic_long_t *v) static inline long atomic_long_xchg(atomic_long_t *v, long val) { +#if defined(__i386__) || defined(__amd64__) || defined(__aarch64__) return atomic_swap_long(&v->counter, val); +#else + long ret = atomic_long_read(v); + + while (!atomic_fcmpset_long(&v->counter, &ret, val)) + ; + return (ret); +#endif } static inline long