From: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
To: hauke@hauke-m.de, mcgrof@kernel.org
Cc: backports@vger.kernel.org,
Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
Subject: [PATCH] backports: add lock_acquire_exclusive
Date: Mon, 6 Jul 2020 11:34:00 +0300 [thread overview]
Message-ID: <20200706083400.511726-1-oleksandr.suvorov@toradex.com> (raw)
Define lock_acquire_exclusive() macro that doesn't exist
before version 3.14.
Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
---
backport/backport-include/linux/lockdep.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/backport/backport-include/linux/lockdep.h b/backport/backport-include/linux/lockdep.h
index 12b91b4f..17c8ea16 100644
--- a/backport/backport-include/linux/lockdep.h
+++ b/backport/backport-include/linux/lockdep.h
@@ -3,6 +3,10 @@
#include_next <linux/lockdep.h>
#include <linux/version.h>
+#if LINUX_VERSION_IS_LESS(3,14,0)
+#define lock_acquire_exclusive(l, s, t, n, i) lock_acquire(l, s, t, 0, 1, n, i)
+#endif
+
#if LINUX_VERSION_IS_LESS(3,9,0)
#undef lockdep_assert_held
#ifdef CONFIG_LOCKDEP
--
2.25.1
--
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