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authorThiago Jung Bauermann <[email protected]>2020-06-04 16:51:47 -0700
committerLinus Torvalds <[email protected]>2020-06-04 19:06:26 -0700
commita09160e694ccd822365da28f9e5f94d22a6784b0 (patch)
treedda9ab540ffe8e7e853ced48b122d4ca6e8cc697
parent53555e2b4d9a29ff93d9bedfe209328cc69806be (diff)
selftests/vm/pkeys: make gcc check arguments of sigsafe_printf()
This will help us ensure we print pkey_reg_t values correctly in different architectures. Signed-off-by: Thiago Jung Bauermann <[email protected]> Signed-off-by: Sandipan Das <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Acked-by: Dave Hansen <[email protected]> Cc: "Desnes A. Nunes do Rosario" <[email protected]> Cc: Florian Weimer <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Ram Pai <[email protected]> Cc: "Aneesh Kumar K.V" <[email protected]> Cc: Michael Ellerman <[email protected]> Cc: Michal Hocko <[email protected]> Cc: Michal Suchanek <[email protected]> Cc: Shuah Khan <[email protected]> Link: http://lkml.kernel.org/r/b40b7a95fdd4045d62530a2a34452934caf3b0bc.1585646528.git.sandipan@linux.ibm.com Signed-off-by: Linus Torvalds <[email protected]>
-rw-r--r--tools/testing/selftests/vm/pkey-helpers.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/testing/selftests/vm/pkey-helpers.h b/tools/testing/selftests/vm/pkey-helpers.h
index 3ed2f021bf7a..7f18a82e54fc 100644
--- a/tools/testing/selftests/vm/pkey-helpers.h
+++ b/tools/testing/selftests/vm/pkey-helpers.h
@@ -27,6 +27,10 @@
#define DPRINT_IN_SIGNAL_BUF_SIZE 4096
extern int dprint_in_signal;
extern char dprint_in_signal_buffer[DPRINT_IN_SIGNAL_BUF_SIZE];
+
+#ifdef __GNUC__
+__attribute__((format(printf, 1, 2)))
+#endif
static inline void sigsafe_printf(const char *format, ...)
{
va_list ap;