From: Akinobu Mita <akinobu.mita@gmail.com>
To: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>
Cc: Akinobu Mita <akinobu.mita@gmail.com>,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 04/22] arm: introduce little-endian bitops
Date: Tue, 23 Nov 2010 22:38:06 +0900 [thread overview]
Message-ID: <1290519504-3958-5-git-send-email-akinobu.mita@gmail.com> (raw)
In-Reply-To: <1290519504-3958-1-git-send-email-akinobu.mita@gmail.com>
Introduce little-endian bit operations by renaming native ext2 bit
operations. The ext2 bit operations are kept as wrapper macros using
little-endian bit operations to maintain bisectability until the
conversions are finished.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
---
No change from previous submission
arch/arm/include/asm/bitops.h | 46 +++++++++++++++++++++++++++++-----------
1 files changed, 33 insertions(+), 13 deletions(-)
diff --git a/arch/arm/include/asm/bitops.h b/arch/arm/include/asm/bitops.h
index 338ff19..29adaca 100644
--- a/arch/arm/include/asm/bitops.h
+++ b/arch/arm/include/asm/bitops.h
@@ -303,41 +303,61 @@ static inline int fls(int x)
#include <asm-generic/bitops/hweight.h>
#include <asm-generic/bitops/lock.h>
+#define __set_le_bit(nr, p) \
+ __set_bit(WORD_BITOFF_TO_LE(nr), (p))
+#define __clear_le_bit(nr, p) \
+ __clear_bit(WORD_BITOFF_TO_LE(nr), (p))
+#define __test_and_set_le_bit(nr, p) \
+ __test_and_set_bit(WORD_BITOFF_TO_LE(nr), (p))
+#define test_and_set_le_bit(nr, p) \
+ test_and_set_bit(WORD_BITOFF_TO_LE(nr), (p))
+#define __test_and_clear_le_bit(nr, p) \
+ __test_and_clear_bit(WORD_BITOFF_TO_LE(nr), (p))
+#define test_and_clear_le_bit(nr, p) \
+ test_and_clear_bit(WORD_BITOFF_TO_LE(nr), (p))
+#define test_le_bit(nr, p) \
+ test_bit(WORD_BITOFF_TO_LE(nr), (p))
+#define find_first_zero_le_bit(p, sz) \
+ _find_first_zero_bit_le(p, sz)
+#define find_next_zero_le_bit(p, sz, off) \
+ _find_next_zero_bit_le(p, sz, off)
+#define find_next_le_bit(p, sz, off) \
+ _find_next_bit_le(p, sz, off)
/*
* Ext2 is defined to use little-endian byte ordering.
* These do not need to be atomic.
*/
#define ext2_set_bit(nr,p) \
- __test_and_set_bit(WORD_BITOFF_TO_LE(nr), (unsigned long *)(p))
+ __test_and_set_le_bit(nr, (unsigned long *)(p))
#define ext2_set_bit_atomic(lock,nr,p) \
- test_and_set_bit(WORD_BITOFF_TO_LE(nr), (unsigned long *)(p))
+ test_and_set_le_bit(nr, (unsigned long *)(p))
#define ext2_clear_bit(nr,p) \
- __test_and_clear_bit(WORD_BITOFF_TO_LE(nr), (unsigned long *)(p))
+ __test_and_clear_le_bit(nr, (unsigned long *)(p))
#define ext2_clear_bit_atomic(lock,nr,p) \
- test_and_clear_bit(WORD_BITOFF_TO_LE(nr), (unsigned long *)(p))
+ test_and_clear_le_bit(nr, (unsigned long *)(p))
#define ext2_test_bit(nr,p) \
- test_bit(WORD_BITOFF_TO_LE(nr), (unsigned long *)(p))
+ test_le_bit(nr, (unsigned long *)(p))
#define ext2_find_first_zero_bit(p,sz) \
- _find_first_zero_bit_le(p,sz)
+ find_first_zero_le_bit((unsigned long *)(p), sz)
#define ext2_find_next_zero_bit(p,sz,off) \
- _find_next_zero_bit_le(p,sz,off)
+ find_next_zero_le_bit((unsigned long *)(p), sz, off)
#define ext2_find_next_bit(p, sz, off) \
- _find_next_bit_le(p, sz, off)
+ find_next_le_bit((unsigned long *)(p), sz, off)
/*
* Minix is defined to use little-endian byte ordering.
* These do not need to be atomic.
*/
#define minix_set_bit(nr,p) \
- __set_bit(WORD_BITOFF_TO_LE(nr), (unsigned long *)(p))
+ __set_le_bit(nr, (unsigned long *)(p))
#define minix_test_bit(nr,p) \
- test_bit(WORD_BITOFF_TO_LE(nr), (unsigned long *)(p))
+ test_le_bit(nr, (unsigned long *)(p))
#define minix_test_and_set_bit(nr,p) \
- __test_and_set_bit(WORD_BITOFF_TO_LE(nr), (unsigned long *)(p))
+ __test_and_set_le_bit(nr, (unsigned long *)(p))
#define minix_test_and_clear_bit(nr,p) \
- __test_and_clear_bit(WORD_BITOFF_TO_LE(nr), (unsigned long *)(p))
+ __test_and_clear_le_bit(nr, (unsigned long *)(p))
#define minix_find_first_zero_bit(p,sz) \
- _find_first_zero_bit_le(p,sz)
+ find_first_zero_le_bit((unsigned long *)(p), sz)
#endif /* __KERNEL__ */
--
1.7.3.2
next prev parent reply other threads:[~2010-11-23 13:38 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-23 13:38 [PATCH v3 00/22] Introduce little endian bitops Akinobu Mita
2010-11-23 13:38 ` [PATCH v3 01/22] bitops: merge little and big endian definisions in asm-generic/bitops/le.h Akinobu Mita
2010-11-23 13:38 ` [PATCH v3 02/22] bitops: rename generic little-endian bitops functions Akinobu Mita
2010-11-23 13:38 ` Akinobu Mita
2010-11-23 13:38 ` [PATCH v3 03/22] s390: introduce little-endian bitops Akinobu Mita
2010-11-23 13:38 ` Akinobu Mita [this message]
2010-11-23 13:38 ` [PATCH v3 04/22] arm: " Akinobu Mita
2010-11-23 13:38 ` [PATCH v3 05/22] m68k: " Akinobu Mita
2010-11-23 13:38 ` [PATCH v3 06/22] m68knommu: " Akinobu Mita
2010-11-23 13:38 ` Akinobu Mita
2010-11-25 8:46 ` Akinobu Mita
2010-11-23 13:38 ` [PATCH v3 07/22] bitops: introduce little-endian bitops for most architectures Akinobu Mita
2010-11-23 13:38 ` [PATCH v3 08/22] rds: stop including asm-generic/bitops/le.h Akinobu Mita
2010-11-23 13:38 ` Akinobu Mita
2010-11-23 13:38 ` [PATCH v3 09/22] kvm: " Akinobu Mita
2010-11-23 13:38 ` Akinobu Mita
2010-11-23 13:38 ` [PATCH v3 10/22] asm-generic: use little-endian bitops Akinobu Mita
2010-11-23 13:38 ` [PATCH v3 11/22] ext3: " Akinobu Mita
2010-11-23 13:38 ` Akinobu Mita
2010-11-23 13:38 ` [PATCH v3 12/22] ext4: " Akinobu Mita
2010-11-23 13:38 ` Akinobu Mita
2010-11-23 19:29 ` Ted Ts'o
2010-11-23 13:38 ` [PATCH v3 13/22] ocfs2: " Akinobu Mita
2010-11-23 13:38 ` Akinobu Mita
2010-11-23 13:38 ` [PATCH v3 14/22] nilfs2: " Akinobu Mita
2010-11-23 13:38 ` Akinobu Mita
2010-11-23 13:38 ` [PATCH v3 15/22] reiserfs: " Akinobu Mita
2010-11-23 13:38 ` Akinobu Mita
2010-11-23 13:38 ` [PATCH v3 16/22] udf: " Akinobu Mita
2010-11-23 13:38 ` [PATCH v3 17/22] ufs: " Akinobu Mita
2010-11-23 13:38 ` Akinobu Mita
2010-11-23 13:38 ` [PATCH v3 18/22] md: use little-endian bit operations Akinobu Mita
2010-11-23 13:38 ` Akinobu Mita
2010-11-23 13:38 ` [PATCH v3 19/22] dm: " Akinobu Mita
2010-11-23 13:38 ` [PATCH v3 20/22] bitops: remove ext2 non-atomic bitops from asm/bitops.h Akinobu Mita
2010-11-23 13:38 ` Akinobu Mita
2010-11-23 13:38 ` [PATCH v3 21/22] m68k: remove inline asm from minix_find_first_zero_bit Akinobu Mita
2010-11-23 13:38 ` Akinobu Mita
2010-11-23 13:38 ` [PATCH v3 22/22] bitops: remove minix bitops from asm/bitops.h Akinobu Mita
2010-11-23 13:38 ` Akinobu Mita
2010-11-24 5:55 ` Paul Mundt
2010-11-24 12:54 ` Ralf Baechle
2010-11-24 12:54 ` Ralf Baechle
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