diff --git a/sys/compat/linuxkpi/common/include/asm/barrier.h b/sys/compat/linuxkpi/common/include/asm/barrier.h
index d09f9c6d2c97..39c5139cb322 100644
--- a/sys/compat/linuxkpi/common/include/asm/barrier.h
+++ b/sys/compat/linuxkpi/common/include/asm/barrier.h
@@ -1,61 +1,64 @@
 /*-
  * SPDX-License-Identifier: BSD-2-Clause
  *
  * Copyright (c) 2021 Vladimir Kondratyev <wulf@FreeBSD.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice unmodified, this list of conditions, and the following
  *    disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef _LINUXKPI_ASM_BARRIER_H_
 #define	_LINUXKPI_ASM_BARRIER_H_
 
 #include <sys/types.h>
 #include <machine/atomic.h>
 
 #include <asm/atomic.h>
 #include <linux/compiler.h>
 
 /* TODO: Check other archs for atomic_thread_fence_* useability */
 #if defined(__amd64__) || defined(__i386__)
 #define	smp_mb()	atomic_thread_fence_seq_cst()
 #define	smp_wmb()	atomic_thread_fence_rel()
 #define	smp_rmb()	atomic_thread_fence_acq()
 #define	smp_store_mb(x, v)	do { (void)xchg(&(x), v); } while (0)
 #endif
 
 #ifndef	smp_mb
 #define	smp_mb()	mb()
 #endif
 #ifndef	smp_wmb
 #define	smp_wmb()	wmb()
 #endif
 #ifndef	smp_rmb
 #define	smp_rmb()	rmb()
 #endif
 #ifndef	smp_store_mb
 #define	smp_store_mb(x, v)	do { WRITE_ONCE(x, v); smp_mb(); } while (0)
 #endif
 
 #define	smp_mb__before_atomic()	barrier()
 #define	smp_mb__after_atomic()	barrier()
 
+#define smp_store_release(p, v)	do { smp_mb(); WRITE_ONCE(*p, v); } while (0)
+#define smp_load_acquire(p) ({ typeof(*p) _v = READ_ONCE(*p); smp_mb(); _v; })
+
 #endif	/* _LINUXKPI_ASM_BARRIER_H_ */