From: Akinobu Mita <mita@miraclelinux.com>
To: linux-kernel@vger.kernel.org
Cc: akpm@osdl.org, Andi Kleen <ak@suse.de>,
Akinobu Mita <mita@miraclelinux.com>
Subject: [patch 39/47] x86_64: use generic bitops
Date: Tue, 14 Feb 2006 14:04:30 +0900 [thread overview]
Message-ID: <20060214050449.146065000@localhost.localdomain> (raw)
In-Reply-To: 20060214050351.252615000@localhost.localdomain
[-- Attachment #1: x86_64.patch --]
[-- Type: text/plain, Size: 3008 bytes --]
- remove sched_find_first_bit()
- remove generic_hweight{64,32,16,8}()
- remove ext2_{set,clear,test,find_first_zero,find_next_zero}_bit()
- remove minix_{test,set,test_and_clear,test,find_first_zero}_bit()
Signed-off-by: Akinobu Mita <mita@miraclelinux.com>
arch/x86_64/Kconfig | 4 ++++
include/asm-x86_64/bitops.h | 42 ++++++------------------------------------
2 files changed, 10 insertions(+), 36 deletions(-)
Index: 2.6-rc/include/asm-x86_64/bitops.h
===================================================================
--- 2.6-rc.orig/include/asm-x86_64/bitops.h
+++ 2.6-rc/include/asm-x86_64/bitops.h
@@ -356,14 +356,7 @@ static __inline__ unsigned long __fls(un
#ifdef __KERNEL__
-static inline int sched_find_first_bit(const unsigned long *b)
-{
- if (b[0])
- return __ffs(b[0]);
- if (b[1])
- return __ffs(b[1]) + 64;
- return __ffs(b[2]) + 128;
-}
+#include <asm-generic/bitops/sched.h>
/**
* ffs - find first bit set
@@ -412,43 +405,20 @@ static __inline__ int fls(int x)
return r+1;
}
-/**
- * hweightN - returns the hamming weight of a N-bit word
- * @x: the word to weigh
- *
- * The Hamming Weight of a number is the total number of bits set in it.
- */
-
-#define hweight64(x) generic_hweight64(x)
-#define hweight32(x) generic_hweight32(x)
-#define hweight16(x) generic_hweight16(x)
-#define hweight8(x) generic_hweight8(x)
+#include <asm-generic/bitops/hweight.h>
#endif /* __KERNEL__ */
#ifdef __KERNEL__
-#define ext2_set_bit(nr,addr) \
- __test_and_set_bit((nr),(unsigned long*)addr)
+#include <asm-generic/bitops/ext2-non-atomic.h>
+
#define ext2_set_bit_atomic(lock,nr,addr) \
test_and_set_bit((nr),(unsigned long*)addr)
-#define ext2_clear_bit(nr, addr) \
- __test_and_clear_bit((nr),(unsigned long*)addr)
#define ext2_clear_bit_atomic(lock,nr,addr) \
test_and_clear_bit((nr),(unsigned long*)addr)
-#define ext2_test_bit(nr, addr) test_bit((nr),(unsigned long*)addr)
-#define ext2_find_first_zero_bit(addr, size) \
- find_first_zero_bit((unsigned long*)addr, size)
-#define ext2_find_next_zero_bit(addr, size, off) \
- find_next_zero_bit((unsigned long*)addr, size, off)
-
-/* Bitmap functions for the minix filesystem. */
-#define minix_test_and_set_bit(nr,addr) __test_and_set_bit(nr,(void*)addr)
-#define minix_set_bit(nr,addr) __set_bit(nr,(void*)addr)
-#define minix_test_and_clear_bit(nr,addr) __test_and_clear_bit(nr,(void*)addr)
-#define minix_test_bit(nr,addr) test_bit(nr,(void*)addr)
-#define minix_find_first_zero_bit(addr,size) \
- find_first_zero_bit((void*)addr,size)
+
+#include <asm-generic/bitops/minix.h>
#endif /* __KERNEL__ */
Index: 2.6-rc/arch/x86_64/Kconfig
===================================================================
--- 2.6-rc.orig/arch/x86_64/Kconfig
+++ 2.6-rc/arch/x86_64/Kconfig
@@ -45,6 +45,10 @@ config RWSEM_GENERIC_SPINLOCK
config RWSEM_XCHGADD_ALGORITHM
bool
+config GENERIC_HWEIGHT
+ bool
+ default y
+
config GENERIC_CALIBRATE_DELAY
bool
default y
--
next prev parent reply other threads:[~2006-02-14 5:10 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-14 5:03 [patch 00/47] generic bitops Akinobu Mita
2006-02-14 5:03 ` [patch 01/47] alpha: use config options instead of __alpha_fix__ and __alpha_cix__ Akinobu Mita
2006-02-14 5:03 ` [patch 02/47] ia64: use cpu_set() instead of __set_bit() Akinobu Mita
2006-02-14 5:03 ` [patch 03/47] parisc: add ()-pair in __ffz() macro Akinobu Mita
2006-02-14 5:03 ` [patch 04/47] cris: remove unnecessary local_irq_restore() Akinobu Mita
2006-02-14 5:03 ` [patch 05/47] use non atomic operations for minix_*_bit() and ext2_*_bit() Akinobu Mita
2006-02-14 5:03 ` [patch 06/47] generic {,test_and_}{set,clear,change}_bit() Akinobu Mita
2006-02-14 5:03 ` [patch 07/47] generic __{,test_and_}{set,clear,change}_bit() and test_bit() Akinobu Mita
2006-02-14 5:03 ` [patch 08/47] generic __ffs() Akinobu Mita
2006-02-14 5:04 ` [patch 09/47] generic ffz() Akinobu Mita
2006-02-14 5:04 ` [patch 10/47] generic fls() Akinobu Mita
2006-02-14 5:04 ` [patch 11/47] generic fls64() Akinobu Mita
2006-02-14 5:04 ` [patch 12/47] generic find_{next,first}{,_zero}_bit() Akinobu Mita
2006-02-14 5:04 ` [patch 13/47] generic sched_find_first_bit() Akinobu Mita
2006-02-14 5:04 ` [patch 14/47] generic ffs() Akinobu Mita
2006-02-14 5:04 ` [patch 15/47] generic hweight{64,32,16,8}() Akinobu Mita
2006-02-14 5:04 ` [patch 16/47] generic ext2_{set,clear,test,find_first_zero,find_next_zero}_bit() Akinobu Mita
2006-02-14 5:04 ` [patch 17/47] generic ext2_{set,clear}_bit_atomic() Akinobu Mita
2006-02-14 5:04 ` [patch 18/47] generic minix_{test,set,test_and_clear,test,find_first_zero}_bit() Akinobu Mita
2006-02-14 5:04 ` [patch 19/47] alpha: use generic bitops Akinobu Mita
2006-02-14 5:04 ` [patch 20/47] arm: " Akinobu Mita
2006-02-14 5:04 ` [patch 21/47] arm26: " Akinobu Mita
2006-02-14 5:04 ` [patch 22/47] cris: " Akinobu Mita
2006-02-14 5:04 ` [patch 23/47] frv: " Akinobu Mita
2006-02-14 5:04 ` [patch 24/47] h8300: " Akinobu Mita
2006-02-14 5:04 ` [patch 25/47] i386: " Akinobu Mita
2006-02-14 5:04 ` [patch 26/47] ia64: " Akinobu Mita
2006-02-14 5:04 ` [patch 27/47] m32r: " Akinobu Mita
2006-02-14 5:04 ` [patch 28/47] m68k: " Akinobu Mita
2006-02-14 5:04 ` [patch 29/47] m68knommu: " Akinobu Mita
2006-02-14 5:04 ` [patch 30/47] mips: " Akinobu Mita
2006-02-14 5:04 ` [patch 31/47] parisc: " Akinobu Mita
2006-02-14 5:04 ` [patch 32/47] powerpc: " Akinobu Mita
2006-02-14 5:04 ` [patch 33/47] s390: " Akinobu Mita
2006-02-14 5:04 ` [patch 34/47] sh: " Akinobu Mita
2006-02-14 5:04 ` [patch 35/47] sh64: " Akinobu Mita
2006-02-14 5:04 ` [patch 36/47] sparc: " Akinobu Mita
2006-02-14 5:04 ` [patch 37/47] sparc64: " Akinobu Mita
2006-02-14 5:04 ` [patch 38/47] v850: " Akinobu Mita
2006-02-14 5:04 ` Akinobu Mita [this message]
2006-02-14 5:04 ` [patch 40/47] xtensa: " Akinobu Mita
2006-02-14 5:04 ` [patch 41/47] update include/asm-generic/bitops.h Akinobu Mita
2006-02-14 5:04 ` [patch 42/47] make thread_info.flags an unsigned long Akinobu Mita
2006-02-14 5:04 ` [patch 43/47] ia64: make partial_page.bitmap " Akinobu Mita
2006-02-14 5:04 ` [patch 44/47] ntfs: remove generic_ffs() Akinobu Mita
2006-02-14 5:04 ` [patch 45/47] remove unused generic bitops in include/linux/bitops.h Akinobu Mita
2006-02-14 5:04 ` [patch 46/47] hweight() related cleanup Akinobu Mita
2006-02-14 5:04 ` [patch 47/47] hweight() speedup Akinobu Mita
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