From owner-svn-src-head@freebsd.org Sat Feb 17 08:12:36 2018 Return-Path: Delivered-To: svn-src-head@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 A7E8DF19750; Sat, 17 Feb 2018 08:12:36 +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 TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 5D3756DB11; Sat, 17 Feb 2018 08:12:36 +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 582261A168; Sat, 17 Feb 2018 08:12:36 +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 w1H8CaiC066734; Sat, 17 Feb 2018 08:12:36 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w1H8CaJg066733; Sat, 17 Feb 2018 08:12:36 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <201802170812.w1H8CaJg066733@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Sat, 17 Feb 2018 08:12:36 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r329447 - head/sys/compat/linuxkpi/common/include/asm X-SVN-Group: head X-SVN-Commit-Author: hselasky X-SVN-Commit-Paths: head/sys/compat/linuxkpi/common/include/asm X-SVN-Commit-Revision: 329447 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 17 Feb 2018 08:12:36 -0000 Author: hselasky Date: Sat Feb 17 08:12:35 2018 New Revision: 329447 URL: https://svnweb.freebsd.org/changeset/base/329447 Log: Compile fix for GCC in the LinuxKPI. Older versions of GCC don't allow flexible array members in a union. Use a zero length array instead. MFC after: 1 week Reported by: jbeich@ Sponsored by: Mellanox Technologies Modified: head/sys/compat/linuxkpi/common/include/asm/atomic.h Modified: head/sys/compat/linuxkpi/common/include/asm/atomic.h ============================================================================== --- head/sys/compat/linuxkpi/common/include/asm/atomic.h Sat Feb 17 06:57:43 2018 (r329446) +++ head/sys/compat/linuxkpi/common/include/asm/atomic.h Sat Feb 17 08:12:35 2018 (r329447) @@ -162,10 +162,10 @@ atomic_cmpxchg(atomic_t *v, int old, int new) #define cmpxchg(ptr, old, new) ({ \ union { \ __typeof(*(ptr)) val; \ - u8 u8[]; \ - u16 u16[]; \ - u32 u32[]; \ - u64 u64[]; \ + u8 u8[0]; \ + u16 u16[0]; \ + u32 u32[0]; \ + u64 u64[0]; \ } __ret = { .val = (old) }, __new = { .val = (new) }; \ \ CTASSERT(sizeof(__ret.val) == 1 || sizeof(__ret.val) == 2 || \