linux-kernel - [PATCH 05/10] microblaze: Define microblaze barrier

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Date:   Wed, 12 Feb 2020 09:58:02 +0100
From:   Michal Simek <michal.simek@...inx.com>
To:     linux-kernel@...r.kernel.org, monstr@...str.eu,
        michal.simek@...inx.com, git@...inx.com, arnd@...db.de
Cc:     Stefan Asserhall <stefan.asserhall@...inx.com>,
        Cornelia Huck <cohuck@...hat.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Will Deacon <will@...nel.org>
Subject: [PATCH 05/10] microblaze: Define microblaze barrier

From: Stefan Asserhall <stefan.asserhall@...inx.com>

Define microblaze barrier.

Signed-off-by: Stefan Asserhall <stefan.asserhall@...inx.com>
Signed-off-by: Michal Simek <michal.simek@...inx.com>
---

 arch/microblaze/include/asm/Kbuild    |  1 -
 arch/microblaze/include/asm/barrier.h | 13 +++++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)
 create mode 100644 arch/microblaze/include/asm/barrier.h

diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild
index a11407112e9a..abb33619299b 100644
--- a/arch/microblaze/include/asm/Kbuild
+++ b/arch/microblaze/include/asm/Kbuild
@@ -1,6 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
 generated-y += syscall_table.h
-generic-y += barrier.h
 generic-y += bitops.h
 generic-y += bug.h
 generic-y += bugs.h
diff --git a/arch/microblaze/include/asm/barrier.h b/arch/microblaze/include/asm/barrier.h
new file mode 100644
index 000000000000..70b0a017781b
--- /dev/null
+++ b/arch/microblaze/include/asm/barrier.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2015 - 2020 Xilinx, Inc. All rights reserved.
+ */
+
+#ifndef _ASM_MICROBLAZE_BARRIER_H
+#define _ASM_MICROBLAZE_BARRIER_H
+
+#define mb()	__asm__ __volatile__ ("mbar 1" : : : "memory")
+
+#include <asm-generic/barrier.h>
+
+#endif /* _ASM_MICROBLAZE_BARRIER_H */
-- 
2.25.0