6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Tony Ambardar <tony.ambardar@xxxxxxxxx>
[ Upstream commit 6495eb79ca7d15bd87c38d77307e8f9b6b7bf4ef ]
Explicitly include '<linux/build_bug.h>' to fix errors seen compiling with
gcc targeting mips64el/musl-libc:
user_ringbuf.c: In function 'test_user_ringbuf_loop':
user_ringbuf.c:426:9: error: implicit declaration of function 'BUILD_BUG_ON' [-Werror=implicit-function-declaration]
426 | BUILD_BUG_ON(total_samples <= c_max_entries);
| ^~~~~~~~~~~~
cc1: all warnings being treated as errors
Fixes: e5a9df51c746 ("selftests/bpf: Add selftests validating the user ringbuf")
Signed-off-by: Tony Ambardar <tony.ambardar@xxxxxxxxx>
Signed-off-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
Link: https://lore.kernel.org/bpf/b28575f9221ec54871c46a2e87612bb4bbf46ccd.1721713597.git.tony.ambardar@xxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
tools/testing/selftests/bpf/prog_tests/user_ringbuf.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/tools/testing/selftests/bpf/prog_tests/user_ringbuf.c b/tools/testing/selftests/bpf/prog_tests/user_ringbuf.c
index e51721df14fc1..dfff6feac12c3 100644
--- a/tools/testing/selftests/bpf/prog_tests/user_ringbuf.c
+++ b/tools/testing/selftests/bpf/prog_tests/user_ringbuf.c
@@ -4,6 +4,7 @@
#define _GNU_SOURCE
#include <linux/compiler.h>
#include <linux/ring_buffer.h>
+#include <linux/build_bug.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
--
2.43.0
