From: Paul Mundt <lethal@linux-sh.org>
To: Akinobu Mita <akinobu.mita@gmail.com>
Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Roman Zippel <zippel@linux-m68k.org>,
Andreas Schwab <schwab@linux-m68k.org>,
linux-m68k@lists.linux-m68k.org,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
linux390@de.ibm.com, linux-s390@vger.kernel.org,
Yoshinori Sato <ysato@users.sourceforge.jp>,
Michal Simek <monstr@monstr.eu>,
microblaze-uclinux@itee.uq.edu.au,
"David S. Miller" <davem@davemloft.net>,
sparclinux@vger.kernel.org,
Hirokazu Takata <takata@linux-m32r.org>,
linux-m32r@ml.linux-m32r.org, Ralf Baechle <ralf@linux-mips.org>,
linux-mips@linux-mips.org, linux-sh@vger.kernel.org,
Chris Zankel <chris@zankel.net>
Subject: Re: [PATCH v3 22/22] bitops: remove minix bitops from asm/bitops.h
Date: Wed, 24 Nov 2010 14:55:59 +0900 [thread overview]
Message-ID: <20101124055559.GC11705@linux-sh.org> (raw)
In-Reply-To: <1290519504-3958-23-git-send-email-akinobu.mita@gmail.com>
On Tue, Nov 23, 2010 at 10:38:24PM +0900, Akinobu Mita wrote:
> minix bit operations are only used by minix filesystem and useless
> by other modules. Because byte order of inode and block bitmaps is
> defferent on each architecture like below:
>
> m68k:
> big-endian 16bit indexed bitmaps
>
> h8300, microblaze, s390, sparc, m68knommu:
> big-endian 32 or 64bit indexed bitmaps
>
> m32r, mips, sh, xtensa:
> big-endian 32 or 64bit indexed bitmaps for big-endian mode
> little-endian bitmaps for little-endian mode
>
> Others:
> little-endian bitmaps
>
> In order to move minix bit operations from asm/bitops.h to
> architecture independent code in minix file system, this provides two
> config options.
>
> CONFIG_MINIX_FS_BIG_ENDIAN_16BIT_INDEXED is only selected by m68k.
> CONFIG_MINIX_FS_NATIVE_ENDIAN is selected by the architectures which
> use native byte order bitmaps (h8300, microblaze, s390, sparc,
> m68knommu, m32r, mips, sh, xtensa).
> The architectures which always use little-endian bitmaps do not select
> these options.
>
> Finally, we can remove minix bit operations from asm/bitops.h for
> all architectures.
>
> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
> Acked-by: Arnd Bergmann <arnd@arndb.de>
> Acked-by: Greg Ungerer <gerg@uclinux.org>
> Cc: Geert Uytterhoeven <geert@linux-m68k.org>
> Cc: Roman Zippel <zippel@linux-m68k.org>
> Cc: Andreas Schwab <schwab@linux-m68k.org>
> Cc: linux-m68k@lists.linux-m68k.org
> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
> Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
> Cc: linux390@de.ibm.com
> Cc: linux-s390@vger.kernel.org
> Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
> Cc: Michal Simek <monstr@monstr.eu>
> Cc: microblaze-uclinux@itee.uq.edu.au
> Cc: "David S. Miller" <davem@davemloft.net>
> Cc: sparclinux@vger.kernel.org
> Cc: Hirokazu Takata <takata@linux-m32r.org>
> Cc: linux-m32r@ml.linux-m32r.org
> Cc: Ralf Baechle <ralf@linux-mips.org>
> Cc: linux-mips@linux-mips.org
> Cc: Paul Mundt <lethal@linux-sh.org>
> Cc: linux-sh@vger.kernel.org
> Cc: Chris Zankel <chris@zankel.net>
Acked-by: Paul Mundt <lethal@linux-sh.org>
next prev parent reply other threads:[~2010-11-24 5:56 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 ` [PATCH v3 04/22] arm: " Akinobu Mita
2010-11-23 13:38 ` 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 [this message]
2010-11-24 12:54 ` Ralf Baechle
2010-11-24 12:54 ` Ralf Baechle
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