From: Liam Howlett <liam.howlett@oracle.com>
To: "linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Matthew Wilcox <willy@infradead.org>
Cc: Liam Howlett <liam.howlett@oracle.com>
Subject: [PATCH 1/4] radix tree test suite: Add support for fallthrough attribute
Date: Wed, 12 May 2021 18:48:52 +0000 [thread overview]
Message-ID: <20210512184850.3526677-1-Liam.Howlett@Oracle.com> (raw)
Add support for fallthrough on case statements. Note this does *NOT*
check for missing fallthrough, but does allow compiling of code with
fallthrough in case statements.
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
---
tools/testing/radix-tree/linux/kernel.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/tools/testing/radix-tree/linux/kernel.h b/tools/testing/radix-tree/linux/kernel.h
index 39867fd80c8f..c400a27e544a 100644
--- a/tools/testing/radix-tree/linux/kernel.h
+++ b/tools/testing/radix-tree/linux/kernel.h
@@ -23,4 +23,11 @@
#define __must_hold(x)
#define EXPORT_PER_CPU_SYMBOL_GPL(x)
+
+#if __has_attribute(__fallthrough__)
+# define fallthrough __attribute__((__fallthrough__))
+#else
+# define fallthrough do {} while (0) /* fallthrough */
+#endif /* __has_attribute */
+
#endif /* _KERNEL_H */
--
2.30.2
next reply other threads:[~2021-05-12 19:45 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-12 18:48 Liam Howlett [this message]
2021-05-12 18:48 ` [PATCH 2/4] radix tree test suite: Add __must_be_array() support Liam Howlett
2021-05-12 21:46 ` Matthew Wilcox
2021-05-12 22:13 ` Liam Howlett
2021-05-12 18:48 ` [PATCH 3/4] radix tree test suite: Add kmem_cache enhancements and pr_err Liam Howlett
2021-05-12 18:48 ` [PATCH 4/4] radix tree test suite: Add support for slab bulk APIs Liam Howlett
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