linux-kernel - [PATCH 7/7] tools headers: Synchronize linux/bits.h with the kernel sources

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Message-ID: <20250519214126.1652491-8-acme@kernel.org>
Date: Mon, 19 May 2025 18:41:26 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Namhyung Kim <namhyung@...nel.org>
Cc: Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	James Clark <james.clark@...aro.org>,
	Jiri Olsa <jolsa@...nel.org>,
	Ian Rogers <irogers@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Kan Liang <kan.liang@...ux.intel.com>,
	Clark Williams <williams@...hat.com>,
	linux-kernel@...r.kernel.org,
	linux-perf-users@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Vincent Mailhol <mailhol.vincent@...adoo.fr>,
	Yury Norov <yury.norov@...il.com>
Subject: [PATCH 7/7] tools headers: Synchronize linux/bits.h with the kernel sources

From: Arnaldo Carvalho de Melo <acme@...hat.com>

To pick up the changes in this cset:

  0312e94abe484b9e ("treewide: fix typo 'unsigned __init128' -> 'unsigned __int128'")

This addresses these perf build warnings:

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

This required picking the const_true() define in linux/compiler.h as a
prep patch as that macro is used in the new linux/bits.h

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

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Ian Rogers <irogers@...gle.com>
Cc: James Clark <james.clark@...aro.org>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Kan Liang <kan.liang@...ux.intel.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Vincent Mailhol <mailhol.vincent@...adoo.fr>
Cc: Yury Norov <yury.norov@...il.com>
Link: https://lore.kernel.org/r/
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/include/linux/bits.h | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/tools/include/linux/bits.h b/tools/include/linux/bits.h
index 8de2914e65101463..14fd0ca9a6cd1733 100644
--- a/tools/include/linux/bits.h
+++ b/tools/include/linux/bits.h
@@ -20,9 +20,8 @@
  */
 #if !defined(__ASSEMBLY__)
 #include <linux/build_bug.h>
-#define GENMASK_INPUT_CHECK(h, l) \
-	(BUILD_BUG_ON_ZERO(__builtin_choose_expr( \
-		__is_constexpr((l) > (h)), (l) > (h), 0)))
+#include <linux/compiler.h>
+#define GENMASK_INPUT_CHECK(h, l) BUILD_BUG_ON_ZERO(const_true((l) > (h)))
 #else
 /*
  * BUILD_BUG_ON_ZERO is not available in h files included from asm files,
-- 
2.49.0