Commit 55f1b540 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

tools headers: Update the linux/unaligned.h copy with the kernel sources 

To pick up the changes in:

  7f053812 ("random: vDSO: minimize and simplify header includes")

That required adding a copy of include/vdso/unaligned.h and its checking
in tools/perf/check-headers.h.

Addressing this perf tools build warning:

  Warning: Kernel ABI header differences:
    diff -u tools/include/linux/unaligned.h include/linux/unaligned.h

Please see tools/include/uapi/README for further details.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Ian Rogers <irogers@google.com>
Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/lkml/Zx-uHvAbPAESofEN@x1


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 93e4b86b

tools/include/linux/unaligned.h

+1 −10
Original line number Diff line number Diff line
@@ -9,16 +9,7 @@ 
#pragma GCC diagnostic push

#pragma GCC diagnostic ignored "-Wpacked"

#pragma GCC diagnostic ignored "-Wattributes"



#define __get_unaligned_t(type, ptr) ({						\

	const struct { type x; } __packed *__pptr = (typeof(__pptr))(ptr);	\

	__pptr->x;								\

})



#define __put_unaligned_t(type, val, ptr) do {					\

	struct { type x; } __packed *__pptr = (typeof(__pptr))(ptr);		\

	__pptr->x = (val);							\

} while (0)

#include <vdso/unaligned.h>



#define get_unaligned(ptr)	__get_unaligned_t(typeof(*(ptr)), (ptr))

#define put_unaligned(val, ptr) __put_unaligned_t(typeof(*(ptr)), (val), (ptr))

tools/include/vdso/unaligned.h

0 → 100644
+15 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0 */

#ifndef __VDSO_UNALIGNED_H

#define __VDSO_UNALIGNED_H



#define __get_unaligned_t(type, ptr) ({						\

	const struct { type x; } __packed *__pptr = (typeof(__pptr))(ptr);	\

	__pptr->x;								\

})



#define __put_unaligned_t(type, val, ptr) do {					\

	struct { type x; } __packed *__pptr = (typeof(__pptr))(ptr);		\

	__pptr->x = (val);							\

} while (0)



#endif /* __VDSO_UNALIGNED_H */

tools/perf/check-headers.sh

+1 −0
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ FILES=( 
  "include/vdso/bits.h"

  "include/linux/const.h"

  "include/vdso/const.h"

  "include/vdso/unaligned.h"

  "include/linux/hash.h"

  "include/linux/list-sort.h"

  "include/uapi/linux/hw_breakpoint.h"