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Searched refs:CMPXCHG (Results 1 – 7 of 7) sorted by relevance

/linux/arch/parisc/lib/
H A Dbitops.c59 #define CMPXCHG(T) \ macro
72 CMPXCHG(u64)
73 CMPXCHG(u32)
74 CMPXCHG(u16)
75 CMPXCHG(u8)
/linux/arch/sparc/lib/
H A Datomic32.c162 #define CMPXCHG(T) \ macro
176 CMPXCHG(u8)
177 CMPXCHG(u16)
178 CMPXCHG(u32)
179 CMPXCHG(u64)
/linux/tools/testing/selftests/kvm/s390x/
H A Dmemop.c31 CMPXCHG, enumerator
86 if (desc->mode == CMPXCHG) { in ksmo_from_desc()
333 MOP(test->vm, ABSOLUTE, CMPXCHG, new + offset, in default_cmpxchg()
346 MOP(test->vm, ABSOLUTE, CMPXCHG, new + offset, in default_cmpxchg()
687 MOP(t.vm, ABSOLUTE, CMPXCHG, &new, in test_cmpxchg_key_concurrent()
696 MOP(t.vm, ABSOLUTE, CMPXCHG, quad_to_char(&new, size), in test_cmpxchg_key_concurrent()
804 ERR_PROT_MOP(t.vm, ABSOLUTE, CMPXCHG, mem2, i, GADDR_V(mem2), in test_errors_cmpxchg_key()
1059 rv = ERR_MOP(t.vm, ABSOLUTE, CMPXCHG, mem1, i, GADDR_V(mem1), in test_errors_cmpxchg()
1065 rv = ERR_MOP(t.vm, ABSOLUTE, CMPXCHG, mem1, i, GADDR((void *)~0xfffUL), in test_errors_cmpxchg()
1070 rv = ERR_MOP(t.vm, ABSOLUTE, CMPXCHG, mem1, i, GADDR_V(mem1 + 1), in test_errors_cmpxchg()
/linux/Documentation/locking/
H A Drt-mutex-design.rst337 the architecture does not support CMPXCHG, then this macro is simply set
338 to fail every time. But if CMPXCHG is supported, then this will
424 done when we have CMPXCHG enabled (otherwise the fast taking automatically
426 taken with the CMPXCHG and nothing else needs to be done.
441 does not implement CMPXCHG would always grab the lock (if there's no
518 CMPXCHG. Since the taking of a mutex on contention always sets the
524 If the owner field has the "Has Waiters" bit set (or CMPXCHG is not available),
531 do not have CMPXCHG, this is the location that the owner of the mutex will
533 do have CMPXCHG, that check is done in the fast path, but it is still needed
535 or timeout between the time the owner failed the fast path CMPXCHG check and
/linux/Documentation/
H A Datomic_t.txt116 will invalidate a LL/SC or fail a CMPXCHG.
276 CMPXCHG vs TRY_CMPXCHG
/linux/Documentation/bpf/standardization/
H A Dinstruction-set.rst699 CMPXCHG 0xf0 | FETCH atomic compare and exchange
710 The ``CMPXCHG`` operation atomically compares the value addressed by
/linux/tools/arch/x86/lib/
H A Dx86-opcode-map.txt532 b0: CMPXCHG Eb,Gb
533 b1: CMPXCHG Ev,Gv