X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=include%2Furcu%2Farch.h;h=717d79c6a2c6020c27baf94bcc7b099995245b9f;hb=0e2125fb7b2c7a92d7030b41df5fb372a7706c32;hp=d3914da27d41e9caf5158b2351ccc78b4b4b8ee8;hpb=5ee141704eaf9f77795fd573873d4bea5f136c71;p=urcu.git

diff --git a/include/urcu/arch.h b/include/urcu/arch.h
index d3914da..717d79c 100644
--- a/include/urcu/arch.h
+++ b/include/urcu/arch.h
@@ -1,22 +1,6 @@
-/*
- * urcu/arch.h
- *
- * Copyright (c) 2020 Michael Jeanson <michael.jeanson@efficios.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
+// SPDX-FileCopyrightText: 2020 Michael Jeanson <mjeanson@efficios.com>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #ifndef _URCU_ARCH_H
 #define _URCU_ARCH_H
@@ -171,5 +155,11 @@
 #error "Cannot build: unrecognized architecture, see <urcu/arch.h>."
 #endif
 
+#ifdef CONFIG_RCU_EMIT_LEGACY_MB
+# define cmm_emit_legacy_smp_mb() cmm_smp_mb()
+#else
+# define cmm_emit_legacy_smp_mb() do { } while (0)
+#endif
+
 
 #endif /* _URCU_ARCH_H */