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提交 7aab7aa4 编写于 作者: P Peter Zijlstra 提交者： Ingo Molnar
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x86/atomics: Always inline arch_atomic64*() 

As already done for regular arch_atomic*(), always inline arch_atomic64*().
Signed-off-by: NPeter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: NIngo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20230126151323.585115019@infradead.org
上级 3017ba4b
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arch/x86/include/asm/atomic64_32.h
浏览文件 @ 7aab7aa4
......@@ -71,7 +71,7 @@ ATOMIC64_DECL(add_unless);
* the old value.
*/
static inline s64 arch_atomic64_cmpxchg(atomic64_t *v, s64 o, s64 n)
static __always_inline s64 arch_atomic64_cmpxchg(atomic64_t *v, s64 o, s64 n)
{
return arch_cmpxchg64(&v->counter, o, n);
}
......@@ -85,7 +85,7 @@ static inline s64 arch_atomic64_cmpxchg(atomic64_t *v, s64 o, s64 n)
* Atomically xchgs the value of @v to @n and returns
* the old value.
*/
static inline s64 arch_atomic64_xchg(atomic64_t *v, s64 n)
static __always_inline s64 arch_atomic64_xchg(atomic64_t *v, s64 n)
{
s64 o;
unsigned high = (unsigned)(n >> 32);
......@@ -104,7 +104,7 @@ static inline s64 arch_atomic64_xchg(atomic64_t *v, s64 n)
*
* Atomically sets the value of @v to @n.
*/
static inline void arch_atomic64_set(atomic64_t *v, s64 i)
static __always_inline void arch_atomic64_set(atomic64_t *v, s64 i)
{
unsigned high = (unsigned)(i >> 32);
unsigned low = (unsigned)i;
......@@ -119,7 +119,7 @@ static inline void arch_atomic64_set(atomic64_t *v, s64 i)
*
* Atomically reads the value of @v and returns it.
*/
static inline s64 arch_atomic64_read(const atomic64_t *v)
static __always_inline s64 arch_atomic64_read(const atomic64_t *v)
{
s64 r;
alternative_atomic64(read, "=&A" (r), "c" (v) : "memory");
......@@ -133,7 +133,7 @@ static inline s64 arch_atomic64_read(const atomic64_t *v)
*
* Atomically adds @i to @v and returns @i + *@v
*/
static inline s64 arch_atomic64_add_return(s64 i, atomic64_t *v)
static __always_inline s64 arch_atomic64_add_return(s64 i, atomic64_t *v)
{
alternative_atomic64(add_return,
ASM_OUTPUT2("+A" (i), "+c" (v)),
......@@ -145,7 +145,7 @@ static inline s64 arch_atomic64_add_return(s64 i, atomic64_t *v)
/*
* Other variants with different arithmetic operators:
*/
static inline s64 arch_atomic64_sub_return(s64 i, atomic64_t *v)
static __always_inline s64 arch_atomic64_sub_return(s64 i, atomic64_t *v)
{
alternative_atomic64(sub_return,
ASM_OUTPUT2("+A" (i), "+c" (v)),
......@@ -154,7 +154,7 @@ static inline s64 arch_atomic64_sub_return(s64 i, atomic64_t *v)
}
#define arch_atomic64_sub_return arch_atomic64_sub_return
static inline s64 arch_atomic64_inc_return(atomic64_t *v)
static __always_inline s64 arch_atomic64_inc_return(atomic64_t *v)
{
s64 a;
alternative_atomic64(inc_return, "=&A" (a),
......@@ -163,7 +163,7 @@ static inline s64 arch_atomic64_inc_return(atomic64_t *v)
}
#define arch_atomic64_inc_return arch_atomic64_inc_return
static inline s64 arch_atomic64_dec_return(atomic64_t *v)
static __always_inline s64 arch_atomic64_dec_return(atomic64_t *v)
{
s64 a;
alternative_atomic64(dec_return, "=&A" (a),
......@@ -179,7 +179,7 @@ static inline s64 arch_atomic64_dec_return(atomic64_t *v)
*
* Atomically adds @i to @v.
*/
static inline s64 arch_atomic64_add(s64 i, atomic64_t *v)
static __always_inline s64 arch_atomic64_add(s64 i, atomic64_t *v)
{
__alternative_atomic64(add, add_return,
ASM_OUTPUT2("+A" (i), "+c" (v)),
......@@ -194,7 +194,7 @@ static inline s64 arch_atomic64_add(s64 i, atomic64_t *v)
*
* Atomically subtracts @i from @v.
*/
static inline s64 arch_atomic64_sub(s64 i, atomic64_t *v)
static __always_inline s64 arch_atomic64_sub(s64 i, atomic64_t *v)
{
__alternative_atomic64(sub, sub_return,
ASM_OUTPUT2("+A" (i), "+c" (v)),
......@@ -208,7 +208,7 @@ static inline s64 arch_atomic64_sub(s64 i, atomic64_t *v)
*
* Atomically increments @v by 1.
*/
static inline void arch_atomic64_inc(atomic64_t *v)
static __always_inline void arch_atomic64_inc(atomic64_t *v)
{
__alternative_atomic64(inc, inc_return, /* no output */,
"S" (v) : "memory", "eax", "ecx", "edx");
......@@ -221,7 +221,7 @@ static inline void arch_atomic64_inc(atomic64_t *v)
*
* Atomically decrements @v by 1.
*/
static inline void arch_atomic64_dec(atomic64_t *v)
static __always_inline void arch_atomic64_dec(atomic64_t *v)
{
__alternative_atomic64(dec, dec_return, /* no output */,
"S" (v) : "memory", "eax", "ecx", "edx");
......@@ -237,7 +237,7 @@ static inline void arch_atomic64_dec(atomic64_t *v)
* Atomically adds @a to @v, so long as it was not @u.
* Returns non-zero if the add was done, zero otherwise.
*/
static inline int arch_atomic64_add_unless(atomic64_t *v, s64 a, s64 u)
static __always_inline int arch_atomic64_add_unless(atomic64_t *v, s64 a, s64 u)
{
unsigned low = (unsigned)u;
unsigned high = (unsigned)(u >> 32);
......@@ -248,7 +248,7 @@ static inline int arch_atomic64_add_unless(atomic64_t *v, s64 a, s64 u)
}
#define arch_atomic64_add_unless arch_atomic64_add_unless
static inline int arch_atomic64_inc_not_zero(atomic64_t *v)
static __always_inline int arch_atomic64_inc_not_zero(atomic64_t *v)
{
int r;
alternative_atomic64(inc_not_zero, "=&a" (r),
......@@ -257,7 +257,7 @@ static inline int arch_atomic64_inc_not_zero(atomic64_t *v)
}
#define arch_atomic64_inc_not_zero arch_atomic64_inc_not_zero
static inline s64 arch_atomic64_dec_if_positive(atomic64_t *v)
static __always_inline s64 arch_atomic64_dec_if_positive(atomic64_t *v)
{
s64 r;
alternative_atomic64(dec_if_positive, "=&A" (r),
......@@ -269,7 +269,7 @@ static inline s64 arch_atomic64_dec_if_positive(atomic64_t *v)
#undef alternative_atomic64
#undef __alternative_atomic64
static inline void arch_atomic64_and(s64 i, atomic64_t *v)
static __always_inline void arch_atomic64_and(s64 i, atomic64_t *v)
{
s64 old, c = 0;
......@@ -277,7 +277,7 @@ static inline void arch_atomic64_and(s64 i, atomic64_t *v)
c = old;
}
static inline s64 arch_atomic64_fetch_and(s64 i, atomic64_t *v)
static __always_inline s64 arch_atomic64_fetch_and(s64 i, atomic64_t *v)
{
s64 old, c = 0;
......@@ -288,7 +288,7 @@ static inline s64 arch_atomic64_fetch_and(s64 i, atomic64_t *v)
}
#define arch_atomic64_fetch_and arch_atomic64_fetch_and
static inline void arch_atomic64_or(s64 i, atomic64_t *v)
static __always_inline void arch_atomic64_or(s64 i, atomic64_t *v)
{
s64 old, c = 0;
......@@ -296,7 +296,7 @@ static inline void arch_atomic64_or(s64 i, atomic64_t *v)
c = old;
}
static inline s64 arch_atomic64_fetch_or(s64 i, atomic64_t *v)
static __always_inline s64 arch_atomic64_fetch_or(s64 i, atomic64_t *v)
{
s64 old, c = 0;
......@@ -307,7 +307,7 @@ static inline s64 arch_atomic64_fetch_or(s64 i, atomic64_t *v)
}
#define arch_atomic64_fetch_or arch_atomic64_fetch_or
static inline void arch_atomic64_xor(s64 i, atomic64_t *v)
static __always_inline void arch_atomic64_xor(s64 i, atomic64_t *v)
{
s64 old, c = 0;
......@@ -315,7 +315,7 @@ static inline void arch_atomic64_xor(s64 i, atomic64_t *v)
c = old;
}
static inline s64 arch_atomic64_fetch_xor(s64 i, atomic64_t *v)
static __always_inline s64 arch_atomic64_fetch_xor(s64 i, atomic64_t *v)
{
s64 old, c = 0;
......@@ -326,7 +326,7 @@ static inline s64 arch_atomic64_fetch_xor(s64 i, atomic64_t *v)
}
#define arch_atomic64_fetch_xor arch_atomic64_fetch_xor
static inline s64 arch_atomic64_fetch_add(s64 i, atomic64_t *v)
static __always_inline s64 arch_atomic64_fetch_add(s64 i, atomic64_t *v)
{
s64 old, c = 0;
......
arch/x86/include/asm/atomic64_64.h
浏览文件 @ 7aab7aa4
......@@ -17,7 +17,7 @@
* Atomically reads the value of @v.
* Doesn't imply a read memory barrier.
*/
static inline s64 arch_atomic64_read(const atomic64_t *v)
static __always_inline s64 arch_atomic64_read(const atomic64_t *v)
{
return __READ_ONCE((v)->counter);
}
......@@ -29,7 +29,7 @@ static inline s64 arch_atomic64_read(const atomic64_t *v)
*
* Atomically sets the value of @v to @i.
*/
static inline void arch_atomic64_set(atomic64_t *v, s64 i)
static __always_inline void arch_atomic64_set(atomic64_t *v, s64 i)
{
__WRITE_ONCE(v->counter, i);
}
......@@ -55,7 +55,7 @@ static __always_inline void arch_atomic64_add(s64 i, atomic64_t *v)
*
* Atomically subtracts @i from @v.
*/
static inline void arch_atomic64_sub(s64 i, atomic64_t *v)
static __always_inline void arch_atomic64_sub(s64 i, atomic64_t *v)
{
asm volatile(LOCK_PREFIX "subq %1,%0"
: "=m" (v->counter)
......@@ -71,7 +71,7 @@ static inline void arch_atomic64_sub(s64 i, atomic64_t *v)
* true if the result is zero, or false for all
* other cases.
*/
static inline bool arch_atomic64_sub_and_test(s64 i, atomic64_t *v)
static __always_inline bool arch_atomic64_sub_and_test(s64 i, atomic64_t *v)
{
return GEN_BINARY_RMWcc(LOCK_PREFIX "subq", v->counter, e, "er", i);
}
......@@ -113,7 +113,7 @@ static __always_inline void arch_atomic64_dec(atomic64_t *v)
* returns true if the result is 0, or false for all other
* cases.
*/
static inline bool arch_atomic64_dec_and_test(atomic64_t *v)
static __always_inline bool arch_atomic64_dec_and_test(atomic64_t *v)
{
return GEN_UNARY_RMWcc(LOCK_PREFIX "decq", v->counter, e);
}
......@@ -127,7 +127,7 @@ static inline bool arch_atomic64_dec_and_test(atomic64_t *v)
* and returns true if the result is zero, or false for all
* other cases.
*/
static inline bool arch_atomic64_inc_and_test(atomic64_t *v)
static __always_inline bool arch_atomic64_inc_and_test(atomic64_t *v)
{
return GEN_UNARY_RMWcc(LOCK_PREFIX "incq", v->counter, e);
}
......@@ -142,7 +142,7 @@ static inline bool arch_atomic64_inc_and_test(atomic64_t *v)
* if the result is negative, or false when
* result is greater than or equal to zero.
*/
static inline bool arch_atomic64_add_negative(s64 i, atomic64_t *v)
static __always_inline bool arch_atomic64_add_negative(s64 i, atomic64_t *v)
{
return GEN_BINARY_RMWcc(LOCK_PREFIX "addq", v->counter, s, "er", i);
}
......@@ -161,25 +161,25 @@ static __always_inline s64 arch_atomic64_add_return(s64 i, atomic64_t *v)
}
#define arch_atomic64_add_return arch_atomic64_add_return
static inline s64 arch_atomic64_sub_return(s64 i, atomic64_t *v)
static __always_inline s64 arch_atomic64_sub_return(s64 i, atomic64_t *v)
{
return arch_atomic64_add_return(-i, v);
}
#define arch_atomic64_sub_return arch_atomic64_sub_return
static inline s64 arch_atomic64_fetch_add(s64 i, atomic64_t *v)
static __always_inline s64 arch_atomic64_fetch_add(s64 i, atomic64_t *v)
{
return xadd(&v->counter, i);
}
#define arch_atomic64_fetch_add arch_atomic64_fetch_add
static inline s64 arch_atomic64_fetch_sub(s64 i, atomic64_t *v)
static __always_inline s64 arch_atomic64_fetch_sub(s64 i, atomic64_t *v)
{
return xadd(&v->counter, -i);
}
#define arch_atomic64_fetch_sub arch_atomic64_fetch_sub
static inline s64 arch_atomic64_cmpxchg(atomic64_t *v, s64 old, s64 new)
static __always_inline s64 arch_atomic64_cmpxchg(atomic64_t *v, s64 old, s64 new)
{
return arch_cmpxchg(&v->counter, old, new);
}
......@@ -191,13 +191,13 @@ static __always_inline bool arch_atomic64_try_cmpxchg(atomic64_t *v, s64 *old, s
}
#define arch_atomic64_try_cmpxchg arch_atomic64_try_cmpxchg
static inline s64 arch_atomic64_xchg(atomic64_t *v, s64 new)
static __always_inline s64 arch_atomic64_xchg(atomic64_t *v, s64 new)
{
return arch_xchg(&v->counter, new);
}
#define arch_atomic64_xchg arch_atomic64_xchg
static inline void arch_atomic64_and(s64 i, atomic64_t *v)
static __always_inline void arch_atomic64_and(s64 i, atomic64_t *v)
{
asm volatile(LOCK_PREFIX "andq %1,%0"
: "+m" (v->counter)
......@@ -205,7 +205,7 @@ static inline void arch_atomic64_and(s64 i, atomic64_t *v)
: "memory");
}
static inline s64 arch_atomic64_fetch_and(s64 i, atomic64_t *v)
static __always_inline s64 arch_atomic64_fetch_and(s64 i, atomic64_t *v)
{
s64 val = arch_atomic64_read(v);
......@@ -215,7 +215,7 @@ static inline s64 arch_atomic64_fetch_and(s64 i, atomic64_t *v)
}
#define arch_atomic64_fetch_and arch_atomic64_fetch_and
static inline void arch_atomic64_or(s64 i, atomic64_t *v)
static __always_inline void arch_atomic64_or(s64 i, atomic64_t *v)
{
asm volatile(LOCK_PREFIX "orq %1,%0"
: "+m" (v->counter)
......@@ -223,7 +223,7 @@ static inline void arch_atomic64_or(s64 i, atomic64_t *v)
: "memory");
}
static inline s64 arch_atomic64_fetch_or(s64 i, atomic64_t *v)
static __always_inline s64 arch_atomic64_fetch_or(s64 i, atomic64_t *v)
{
s64 val = arch_atomic64_read(v);
......@@ -233,7 +233,7 @@ static inline s64 arch_atomic64_fetch_or(s64 i, atomic64_t *v)
}
#define arch_atomic64_fetch_or arch_atomic64_fetch_or
static inline void arch_atomic64_xor(s64 i, atomic64_t *v)
static __always_inline void arch_atomic64_xor(s64 i, atomic64_t *v)
{
asm volatile(LOCK_PREFIX "xorq %1,%0"
: "+m" (v->counter)
......@@ -241,7 +241,7 @@ static inline void arch_atomic64_xor(s64 i, atomic64_t *v)
: "memory");
}
static inline s64 arch_atomic64_fetch_xor(s64 i, atomic64_t *v)
static __always_inline s64 arch_atomic64_fetch_xor(s64 i, atomic64_t *v)
{
s64 val = arch_atomic64_read(v);
......
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