linux-kernel - [PATCH] selftests/openat2: Fix build warnings on ppc64

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Date: Tue, 21 May 2024 13:03:25 +1000
From: Michael Ellerman <mpe@...erman.id.au>
To: <linux-kselftest@...r.kernel.org>,
	<skhan@...uxfoundation.org>
Cc: <linux-kernel@...r.kernel.org>,
	<linuxppc-dev@...ts.ozlabs.org>
Subject: [PATCH] selftests/openat2: Fix build warnings on ppc64

Fix warnings like:

  openat2_test.c: In function ‘test_openat2_flags’:
  openat2_test.c:303:73: warning: format ‘%llX’ expects argument of type
  ‘long long unsigned int’, but argument 5 has type ‘__u64’ {aka ‘long
  unsigned int’} [-Wformat=]

By switching to unsigned long long for u64 for ppc64 builds.

Signed-off-by: Michael Ellerman <mpe@...erman.id.au>
---
 tools/testing/selftests/openat2/openat2_test.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/openat2/openat2_test.c b/tools/testing/selftests/openat2/openat2_test.c
index 9024754530b2..5790ab446527 100644
--- a/tools/testing/selftests/openat2/openat2_test.c
+++ b/tools/testing/selftests/openat2/openat2_test.c
@@ -5,6 +5,7 @@
  */
 
 #define _GNU_SOURCE
+#define __SANE_USERSPACE_TYPES__ // Use ll64
 #include <fcntl.h>
 #include <sched.h>
 #include <sys/stat.h>
-- 
2.45.1