linux-kernel - [PATCH v1 1/3] kernel.h: Don't pollute header with single user macros

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Date:   Tue, 13 Jul 2021 11:45:39 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Brendan Higgins <brendanhiggins@...gle.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Alexey Dobriyan <adobriyan@...il.com>,
        Miguel Ojeda <ojeda@...nel.org>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        kunit-dev@...glegroups.com, linux-media@...r.kernel.org,
        netdev@...r.kernel.org, bpf@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Ingo Molnar <mingo@...hat.com>, Will Deacon <will@...nel.org>,
        Waiman Long <longman@...hat.com>,
        Boqun Feng <boqun.feng@...il.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>, Thomas Graf <tgraf@...g.ch>,
        Andrew Morton <akpm@...ux-foundation.org>, jic23@...nel.org,
        linux@...musvillemoes.dk
Subject: [PATCH v1 1/3] kernel.h: Don't pollute header with single user macros

The COUNT_ARGS() and CONCATENATE() macros are used by a single user.
Let move them to it.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 include/linux/kernel.h    | 7 -------
 include/trace/bpf_probe.h | 7 +++++++
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 1b2f0a7e00d6..743d3c9a3227 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -476,13 +476,6 @@ ftrace_vprintk(const char *fmt, va_list ap)
 static inline void ftrace_dump(enum ftrace_dump_mode oops_dump_mode) { }
 #endif /* CONFIG_TRACING */
 
-/* This counts to 12. Any more, it will return 13th argument. */
-#define __COUNT_ARGS(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _n, X...) _n
-#define COUNT_ARGS(X...) __COUNT_ARGS(, ##X, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0)
-
-#define __CONCAT(a, b) a ## b
-#define CONCATENATE(a, b) __CONCAT(a, b)
-
 /**
  * container_of - cast a member of a structure out to the containing structure
  * @ptr:	the pointer to the member.
diff --git a/include/trace/bpf_probe.h b/include/trace/bpf_probe.h
index a23be89119aa..6f57c96f7dc3 100644
--- a/include/trace/bpf_probe.h
+++ b/include/trace/bpf_probe.h
@@ -27,6 +27,13 @@
 #undef __perf_task
 #define __perf_task(t)	(t)
 
+/* This counts to 12. Any more, it will return 13th argument. */
+#define __COUNT_ARGS(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _n, X...) _n
+#define COUNT_ARGS(X...) __COUNT_ARGS(, ##X, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0)
+
+#define __CONCAT(a, b) a ## b
+#define CONCATENATE(a, b) __CONCAT(a, b)
+
 /* cast any integer, pointer, or small struct to u64 */
 #define UINTTYPE(size) \
 	__typeof__(__builtin_choose_expr(size == 1,  (u8)1, \
-- 
2.30.2