x86, UML: remove x86-specific implementations of find_first_bit

x86 has been switched to the generic versions of find_first_bit
and find_first_zero_bit, but the original versions were retained.
This patch just removes the now unused x86-specific versions.

also update UML.

Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

2 files changed, 0 insertions, 81 deletions

diff --git a/include/asm-x86/bitops_32.h b/include/asm-x86/bitops_32.h
index ba2c0defafa8..2e863021bf81 100644
--- a/include/asm-x86/bitops_32.h
+++ b/include/asm-x86/bitops_32.h
@@ -4,64 +4,6 @@
 /*
  * Copyright 1992, Linus Torvalds.
  */
-
-#ifndef CONFIG_GENERIC_FIND_FIRST_BIT
-/**
- * find_first_zero_bit - find the first zero bit in a memory region
- * @addr: The address to start the search at
- * @size: The maximum size to search
- *
- * Returns the bit number of the first zero bit, not the number of the byte
- * containing a bit.
- */
-static inline int find_first_zero_bit(const unsigned long *addr, unsigned size)
-{
-        int d0, d1, d2;
-        int res;
-
-        if (!size)
-                return 0;
-        /* This looks at memory.
-         * Mark it volatile to tell gcc not to move it around
-         */
-        asm volatile("movl $-1,%%eax\n\t"
-                     "xorl %%edx,%%edx\n\t"
-                     "repe; scasl\n\t"
-                     "je 1f\n\t"
-                     "xorl -4(%%edi),%%eax\n\t"
-                     "subl $4,%%edi\n\t"
-                     "bsfl %%eax,%%edx\n"
-                     "1:\tsubl %%ebx,%%edi\n\t"
-                     "shll $3,%%edi\n\t"
-                     "addl %%edi,%%edx"
-                     : "=d" (res), "=&c" (d0), "=&D" (d1), "=&a" (d2)
-                     : "1" ((size + 31) >> 5), "2" (addr),
-                       "b" (addr) : "memory");
-        return res;
-}
-
-/**
- * find_first_bit - find the first set bit in a memory region
- * @addr: The address to start the search at
- * @size: The maximum size to search
- *
- * Returns the bit number of the first set bit, not the number of the byte
- * containing a bit.
- */
-static inline unsigned find_first_bit(const unsigned long *addr, unsigned size)
-{
-        unsigned x = 0;
-
-        while (x < size) {
-                unsigned long val = *addr++;
-                if (val)
-                        return __ffs(val) + x;
-                x += sizeof(*addr) << 3;
-        }
-        return x;
-}
-#endif
-
 #ifdef __KERNEL__
 
 #include <asm-generic/bitops/sched.h>
diff --git a/include/asm-x86/bitops_64.h b/include/asm-x86/bitops_64.h
index 4081d7ecc2bd..cb23122d23f1 100644
--- a/include/asm-x86/bitops_64.h
+++ b/include/asm-x86/bitops_64.h
@@ -4,29 +4,6 @@
 /*
  * Copyright 1992, Linus Torvalds.
  */
-
-#ifndef CONFIG_GENERIC_FIND_FIRST_BIT
-extern long find_first_zero_bit(const unsigned long *addr, unsigned long size);
-extern long find_first_bit(const unsigned long *addr, unsigned long size);
-
-/* return index of first bet set in val or max when no bit is set */
-static inline long __scanbit(unsigned long val, unsigned long max)
-{
-        asm("bsfq %1,%0 ; cmovz %2,%0" : "=&r" (val) : "r" (val), "r" (max));
-        return val;
-}
-
-#define find_first_bit(addr, size)                                      \
-        ((__builtin_constant_p((size)) && (size) <= BITS_PER_LONG       \
-          ? (__scanbit(*(unsigned long *)(addr), (size)))               \
-          : find_first_bit((addr), (size))))
-
-#define find_first_zero_bit(addr, size)                                 \
-        ((__builtin_constant_p((size)) && (size) <= BITS_PER_LONG       \
-          ? (__scanbit(~*(unsigned long *)(addr), (size)))              \
-          : find_first_zero_bit((addr), (size))))
-#endif
-
 static inline void set_bit_string(unsigned long *bitmap, unsigned long i,
                                   int len)
 {