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[xen staging] xen/bitops: Delete find_first_set_bit()



commit 1408cf7a2840c0839d988f8cbf910eecac1655ef
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Thu Mar 14 20:38:44 2024 +0000
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Sat Jun 1 02:28:14 2024 +0100

    xen/bitops: Delete find_first_set_bit()
    
    No more users.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
 xen/arch/arm/include/asm/bitops.h | 12 ------------
 xen/arch/ppc/include/asm/bitops.h |  9 ---------
 xen/arch/x86/include/asm/bitops.h | 12 ------------
 3 files changed, 33 deletions(-)

diff --git a/xen/arch/arm/include/asm/bitops.h 
b/xen/arch/arm/include/asm/bitops.h
index ab030b6cb0..6c5ec34e66 100644
--- a/xen/arch/arm/include/asm/bitops.h
+++ b/xen/arch/arm/include/asm/bitops.h
@@ -160,18 +160,6 @@ static inline int fls(unsigned int x)
 #define ffs(x) ({ unsigned int __t = (x); fls(ISOLATE_LSB(__t)); })
 #define ffsl(x) ({ unsigned long __t = (x); flsl(ISOLATE_LSB(__t)); })
 
-/**
- * find_first_set_bit - find the first set bit in @word
- * @word: the word to search
- *
- * Returns the bit-number of the first set bit (first bit being 0).
- * The input must *not* be zero.
- */
-static inline unsigned int find_first_set_bit(unsigned long word)
-{
-        return ffsl(word) - 1;
-}
-
 /**
  * hweightN - returns the hamming weight of a N-bit word
  * @x: the word to weigh
diff --git a/xen/arch/ppc/include/asm/bitops.h 
b/xen/arch/ppc/include/asm/bitops.h
index bea655796d..f984789e28 100644
--- a/xen/arch/ppc/include/asm/bitops.h
+++ b/xen/arch/ppc/include/asm/bitops.h
@@ -187,13 +187,4 @@ static inline int __test_and_clear_bit(int nr, volatile 
void *addr)
 #define hweight16(x) __builtin_popcount((uint16_t)(x))
 #define hweight8(x)  __builtin_popcount((uint8_t)(x))
 
-/**
- * find_first_set_bit - find the first set bit in @word
- * @word: the word to search
- *
- * Returns the bit-number of the first set bit (first bit being 0).
- * The input must *not* be zero.
- */
-#define find_first_set_bit(x) (ffsl(x) - 1)
-
 #endif /* _ASM_PPC_BITOPS_H */
diff --git a/xen/arch/x86/include/asm/bitops.h 
b/xen/arch/x86/include/asm/bitops.h
index 5a71afbc89..674c48397f 100644
--- a/xen/arch/x86/include/asm/bitops.h
+++ b/xen/arch/x86/include/asm/bitops.h
@@ -401,18 +401,6 @@ static always_inline unsigned int __scanbit(unsigned long 
val, unsigned int max)
     r__;                                                                    \
 })
 
-/**
- * find_first_set_bit - find the first set bit in @word
- * @word: the word to search
- * 
- * Returns the bit-number of the first set bit. The input must *not* be zero.
- */
-static inline unsigned int find_first_set_bit(unsigned long word)
-{
-    asm ( "rep; bsf %1,%0" : "=r" (word) : "rm" (word) );
-    return (unsigned int)word;
-}
-
 /**
  * ffs - find first bit set
  * @x: the word to search
--
generated by git-patchbot for /home/xen/git/xen.git#staging



 


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