tools: Drop "atomic_" prefix from atomic test_and_set_bit()

Drop the "atomic_" prefix from tools' atomic_test_and_set_bit() to
match the kernel nomenclature where test_and_set_bit() is atomic,
and __test_and_set_bit() provides the non-atomic variant.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20221119013450.2643007-9-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

tools/arch/x86/include/asm/atomic.h

@@ -71,10 +71,9 @@ static __always_inline int atomic_cmpxchg(atomic_t *v, int old, int new)
 	return cmpxchg(&v->counter, old, new);
 }
 
-static inline int atomic_test_and_set_bit(long nr, unsigned long *addr)
+static inline int test_and_set_bit(long nr, unsigned long *addr)
 {
 	GEN_BINARY_RMWcc(LOCK_PREFIX __ASM_SIZE(bts), *addr, "Ir", nr, "%0", "c");
-
 }
 
 #endif /* _TOOLS_LINUX_ASM_X86_ATOMIC_H */

tools/include/asm-generic/atomic-gcc.h

@@ -70,7 +70,7 @@ static inline int atomic_cmpxchg(atomic_t *v, int oldval, int newval)
 	return cmpxchg(&(v)->counter, oldval, newval);
 }
 
-static inline int atomic_test_and_set_bit(long nr, unsigned long *addr)
+static inline int test_and_set_bit(long nr, unsigned long *addr)
 {
 	unsigned long mask = BIT_MASK(nr);
 	long old;

tools/testing/selftests/kvm/lib/ucall_common.c

@@ -44,7 +44,7 @@ static struct ucall *ucall_alloc(void)
 	GUEST_ASSERT(ucall_pool);
 
 	for (i = 0; i < KVM_MAX_VCPUS; ++i) {
-		if (!atomic_test_and_set_bit(i, ucall_pool->in_use)) {
+		if (!test_and_set_bit(i, ucall_pool->in_use)) {
 			uc = &ucall_pool->ucalls[i];
 			memset(uc->args, 0, sizeof(uc->args));
 			return uc;