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authorAlexander van Heukelum <heukelum@mailshack.com>2008-04-04 20:49:30 +0200
committerIngo Molnar <mingo@elte.hu>2008-04-26 19:21:17 +0200
commitd66462f5314b0e70ddad8032eb76099475ca5571 (patch)
tree473d34bf2662fb008495764dda774e00d563f01a /include/asm-x86/bitops.h
parent5245698f665c4b7a533dcc47a5afdf33095d436a (diff)
downloadop-kernel-dev-d66462f5314b0e70ddad8032eb76099475ca5571.zip
op-kernel-dev-d66462f5314b0e70ddad8032eb76099475ca5571.tar.gz
x86: finalize bitops unification
include/asm-x86/bitops_32.h and include/asm-x86/bitops_64.h are now almost identical. The 64-bit version sets ARCH_HAS_FAST_MULTIPLIER and has an extra inline function set_bit_string. The define currently has no influence on the generated code, but it can be argued that setting it on i386 is the right thing to do anyhow. The addition of the extra inline function on i386 does not hurt either. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/bitops.h')
-rw-r--r--include/asm-x86/bitops.h38
1 files changed, 33 insertions, 5 deletions
diff --git a/include/asm-x86/bitops.h b/include/asm-x86/bitops.h
index 1b6f547..daf1a72 100644
--- a/include/asm-x86/bitops.h
+++ b/include/asm-x86/bitops.h
@@ -403,10 +403,38 @@ static inline int fls(int x)
#undef ADDR
-#ifdef CONFIG_X86_32
-# include "bitops_32.h"
-#else
-# include "bitops_64.h"
-#endif
+static inline void set_bit_string(unsigned long *bitmap,
+ unsigned long i, int len)
+{
+ unsigned long end = i + len;
+ while (i < end) {
+ __set_bit(i, bitmap);
+ i++;
+ }
+}
+
+#ifdef __KERNEL__
+
+#include <asm-generic/bitops/sched.h>
+
+#define ARCH_HAS_FAST_MULTIPLIER 1
+
+#include <asm-generic/bitops/hweight.h>
+#endif /* __KERNEL__ */
+
+#include <asm-generic/bitops/fls64.h>
+
+#ifdef __KERNEL__
+
+#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_atomic(lock, nr, addr) \
+ test_and_clear_bit((nr), (unsigned long *)(addr))
+
+#include <asm-generic/bitops/minix.h>
+
+#endif /* __KERNEL__ */
#endif /* _ASM_X86_BITOPS_H */
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