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From: Yury Norov <yury.norov@gmail.com>
To: linux-kernel@vger.kernel.org, Andrew Morton <akpm@linux-foundation.org>
Cc: Yury Norov <yury.norov@gmail.com>,
	linux-m68k@lists.linux-m68k.org, linux-arch@vger.kernel.org,
	linux-sh@vger.kernel.org, Alexey Klimov <aklimov@redhat.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Arnd Bergmann <arnd@arndb.de>, David Sterba <dsterba@suse.com>,
	Dennis Zhou <dennis@kernel.org>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Jianpeng Ma <jianpeng.ma@intel.com>,
	Joe Perches <joe@perches.com>,
	John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
	Josh Poimboeuf <jpoimboe@redhat.com>,
	Rasmus Villemoes <linux@rasmusvillemoes.dk>,
	Rich Felker <dalias@libc.org>,
	Stefano Brivio <sbrivio@redhat.com>,
	Wei Yang <richard.weiyang@linux.alibaba.com>,
	Wolfram Sang <wsa+renesas@sang-engineering.com>,
	Yoshinori Sato <ysato@users.sourceforge.jp>
Subject: [PATCH 06/12] tools: sync small_const_nbits() macro with the kernel
Date: Wed, 31 Mar 2021 17:31:47 -0700	[thread overview]
Message-ID: <20210401003153.97325-7-yury.norov@gmail.com> (raw)
In-Reply-To: <20210401003153.97325-1-yury.norov@gmail.com>

Sync implementation with the kernel and move the macro from
tools/include/linux/bitmap.h to tools/include/asm-generic/bitsperlong.h

Signed-off-by: Yury Norov <yury.norov@gmail.com>
Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
---
 tools/include/asm-generic/bitsperlong.h | 3 +++
 tools/include/linux/bitmap.h            | 3 ---
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/include/asm-generic/bitsperlong.h b/tools/include/asm-generic/bitsperlong.h
index 8f2283052333..2093d56ddd11 100644
--- a/tools/include/asm-generic/bitsperlong.h
+++ b/tools/include/asm-generic/bitsperlong.h
@@ -18,4 +18,7 @@
 #define BITS_PER_LONG_LONG 64
 #endif
 
+#define small_const_nbits(nbits) \
+	(__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG && (nbits) > 0)
+
 #endif /* __ASM_GENERIC_BITS_PER_LONG */
diff --git a/tools/include/linux/bitmap.h b/tools/include/linux/bitmap.h
index 4aabc23ec747..330dbf7509cc 100644
--- a/tools/include/linux/bitmap.h
+++ b/tools/include/linux/bitmap.h
@@ -22,9 +22,6 @@ void bitmap_clear(unsigned long *map, unsigned int start, int len);
 #define BITMAP_FIRST_WORD_MASK(start) (~0UL << ((start) & (BITS_PER_LONG - 1)))
 #define BITMAP_LAST_WORD_MASK(nbits) (~0UL >> (-(nbits) & (BITS_PER_LONG - 1)))
 
-#define small_const_nbits(nbits) \
-	(__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG)
-
 static inline void bitmap_zero(unsigned long *dst, unsigned int nbits)
 {
 	if (small_const_nbits(nbits))
-- 
2.25.1


  parent reply	other threads:[~2021-04-01  0:33 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-01  0:31 [PATCH v6 00/12] lib/find_bit: fast path for small bitmaps Yury Norov
2021-04-01  0:31 ` [PATCH 01/12] tools: disable -Wno-type-limits Yury Norov
2021-04-01  0:31 ` [PATCH 02/12] tools: bitmap: sync function declarations with the kernel Yury Norov
2021-04-01  0:31 ` [PATCH 03/12] tools: sync BITMAP_LAST_WORD_MASK() macro " Yury Norov
2021-04-01  0:31 ` [PATCH 04/12] arch: rearrange headers inclusion order in asm/bitops for m68k and sh Yury Norov
2021-04-01  0:31 ` [PATCH 05/12] lib: extend the scope of small_const_nbits() macro Yury Norov
2021-04-01  8:35   ` Andy Shevchenko
2021-04-01  0:31 ` Yury Norov [this message]
2021-04-01  0:31 ` [PATCH 07/12] lib: inline _find_next_bit() wrappers Yury Norov
2021-04-01  8:37   ` Andy Shevchenko
2021-04-01  0:31 ` [PATCH 08/12] tools: sync find_next_bit implementation Yury Norov
2021-04-01  0:31 ` [PATCH 09/12] lib: add fast path for find_next_*_bit() Yury Norov
2021-04-01  8:48   ` Andy Shevchenko
2021-04-01  0:31 ` [PATCH 10/12] lib: add fast path for find_first_*_bit() and find_last_bit() Yury Norov
2021-04-01  4:21   ` kernel test robot
2021-04-01  8:58   ` Andy Shevchenko
2021-04-01  0:31 ` [PATCH 11/12] tools: sync lib/find_bit implementation Yury Norov
2021-05-10 15:27   ` Tetsuo Handa
2021-05-10 15:44     ` Andy Shevchenko
2021-05-10 17:21       ` Yury Norov
2021-05-10 22:51       ` Rikard Falkeborn
2021-05-11  7:28         ` Andy Shevchenko
2021-05-11 10:36           ` Rikard Falkeborn
2021-05-11 11:53             ` Tetsuo Handa
2021-05-11 20:37               ` Rikard Falkeborn
2021-05-12  7:48                 ` Arnd Bergmann
2021-05-12  8:15                   ` Rasmus Villemoes
2021-05-12  8:33                     ` Arnd Bergmann
2021-05-11 12:17             ` Andy Shevchenko
2021-04-01  0:31 ` [PATCH 12/12] MAINTAINERS: Add entry for the bitmap API Yury Norov
2021-04-01  9:14 ` [PATCH v6 00/12] lib/find_bit: fast path for small bitmaps Andy Shevchenko
2021-04-01  9:28   ` Arnd Bergmann
2021-04-01  9:50     ` Andy Shevchenko
2021-04-02  0:32       ` Andrew Morton
  -- strict thread matches above, loose matches on Subject: below --
2021-03-21 21:54 [PATCH v5 " Yury Norov
2021-03-21 21:54 ` [PATCH 06/12] tools: sync small_const_nbits() macro with the kernel Yury Norov
2021-03-22  8:34   ` Rasmus Villemoes
2021-03-24 19:49     ` Yury Norov

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