Home
last modified time | relevance | path

Searched full:once (Results 1 – 25 of 2747) sorted by relevance

12345678910>>...110

/linux/include/linux/
H A Dcall_once.h11 struct once { struct
16 static inline void __once_init(struct once *once, const char *name, in __once_init() argument
19 atomic_set(&once->state, ONCE_NOT_STARTED); in __once_init()
20 __mutex_init(&once->lock, name, key); in __once_init()
23 #define once_init(once) \ argument
26 __once_init((once), #once, &__key); \
30 * call_once - Ensure a function has been called exactly once
32 * @once: Tracking struct
35 * If @once has never completed successfully before, call @cb and, if
36 * it returns a zero or positive value, mark @once as completed. Return
[all …]
H A Donce.h20 /* Call a function exactly once. The idea of DO_ONCE() is to perform
22 * once, where DO_ONCE() can live in the fast-path. After @func has
49 static bool __section(".data..once") ___done = false; \
67 static bool __section(".data..once") ___done = false; \
/linux/tools/memory-model/litmus-tests/
H A DREADME5 CoRR+poonceonce+Once.litmus
9 CoRW+poonceonce+Once.litmus
14 CoWR+poonceonce+Once.litmus
140 WRC+poonceonces+Once.litmus
141 WRC+pooncerelease+fencermbonceonce+Once.litmus
172 each process exactly once, so litmus tests not fitting this description
224 smp_load_acquire(), so next is "Once". Thus far, we have "Rfi Once".
230 READ_ONCE(), we add another "Once" descriptor.
234 WRITE_ONCE(), which as before gives the descriptor "Once". The string
235 thus far is thus "Rfi Once PodRR Once Fre Once".
[all …]
/linux/Documentation/watchdog/
H A Dwatchdog-parameters.rst33 Watchdog cannot be stopped once started
46 Watchdog cannot be stopped once started
55 Watchdog cannot be stopped once started
67 Watchdog cannot be stopped once started
94 Watchdog cannot be stopped once started
103 Watchdog cannot be stopped once started
112 Watchdog cannot be stopped once started
137 Watchdog cannot be stopped once started
152 Watchdog cannot be stopped once started
158 Watchdog cannot be stopped once started
[all …]
/linux/tools/memory-model/Documentation/
H A Dherd-representation.txt30 | READ_ONCE | R[once] |
32 | WRITE_ONCE | W[once] |
38 | smp_store_mb | W[once] ->po F[mb] |
52 | rcu_dereference | R[once] |
63 | atomic_add | R*[noreturn] ->rmw W*[once] |
69 | atomic_add_return | F[mb] ->po R*[once] |
70 | | ->rmw W*[once] ->po F[mb] |
76 | atomic_add_return_relaxed | R*[once] ->rmw W*[once] |
82 | atomic_add_return_acquire | R*[acquire] ->rmw W*[once] |
88 | atomic_add_return_release | R*[once] ->rmw W*[release] |
[all …]
/linux/tools/memory-model/
H A Dlinux-kernel.def8 // ONCE
9 READ_ONCE(X) __load{once}(X)
10 WRITE_ONCE(X,V) { __store{once}(X,V); }
16 rcu_dereference(X) __load{once}(X)
17 smp_store_mb(X,V) { __store{once}(X,V); __fence{mb}; }
32 xchg_relaxed(X,V) __xchg{once}(X,V)
36 cmpxchg_relaxed(X,V,W) __cmpxchg{once}(X,V,W)
72 atomic_add_return_relaxed(V,X) __atomic_op_return{once}(X,+,V)
76 atomic_fetch_add_relaxed(V,X) __atomic_fetch_op{once}(X,+,V)
81 atomic_inc_return_relaxed(X) __atomic_op_return{once}(X,+,1)
[all …]
H A Dlinux-kernel.bell16 enum Accesses = 'once (*READ_ONCE,WRITE_ONCE*) ||
20 instructions R[{'once,'acquire,'noreturn}]
21 instructions W[{'once,'release}]
22 instructions RMW[{'once,'acquire,'release}]
76 let Marked = (~M) | IW | Once | Release | Acquire | domain(rmw) | range(rmw) |
/linux/tools/perf/pmu-events/arch/x86/skylake/
H A Dfloating-point.json3 …"BriefDescription": "Counts once for most SIMD 128-bit packed computational double precision float…
7 …"PublicDescription": "Counts once for most SIMD 128-bit packed computational double precision floa…
12 …"BriefDescription": "Counts once for most SIMD 128-bit packed computational single precision float…
16 …"PublicDescription": "Counts once for most SIMD 128-bit packed computational single precision floa…
21 …"BriefDescription": "Counts once for most SIMD 256-bit packed double computational precision float…
25 …"PublicDescription": "Counts once for most SIMD 256-bit packed double computational precision floa…
30 …"BriefDescription": "Counts once for most SIMD 256-bit packed single computational precision float…
34 …"PublicDescription": "Counts once for most SIMD 256-bit packed single computational precision floa…
48 …"BriefDescription": "Counts once for most SIMD scalar computational floating-point instructions re…
52 …"PublicDescription": "Counts once for most SIMD scalar computational single precision and double p…
[all …]
/linux/tools/perf/pmu-events/arch/x86/cascadelakex/
H A Dfloating-point.json3 …"BriefDescription": "Counts once for most SIMD 128-bit packed computational double precision float…
7 …"PublicDescription": "Counts once for most SIMD 128-bit packed computational double precision floa…
12 …"BriefDescription": "Counts once for most SIMD 128-bit packed computational single precision float…
16 …"PublicDescription": "Counts once for most SIMD 128-bit packed computational single precision floa…
21 …"BriefDescription": "Counts once for most SIMD 256-bit packed double computational precision float…
25 …"PublicDescription": "Counts once for most SIMD 256-bit packed double computational precision floa…
30 …"BriefDescription": "Counts once for most SIMD 256-bit packed single computational precision float…
34 …"PublicDescription": "Counts once for most SIMD 256-bit packed single computational precision floa…
75 …"BriefDescription": "Counts once for most SIMD scalar computational floating-point instructions re…
79 …"PublicDescription": "Counts once for most SIMD scalar computational single precision and double p…
[all …]
/linux/arch/sh/lib/
H A Dmemmove.S33 bt/s 8f ! if it's too small, copy a byte at once
62 ! copy a byte at once
94 2: ! Second, copy a long word at once
103 ! Third, copy a byte at once, if necessary
127 2: ! Second, read a long word and write a long word at once
160 ! Third, copy a byte at once, if necessary
179 2: ! Second, read a word and write a word at once
189 ! Third, copy a byte at once, if necessary
215 2: ! Second, read a long word and write a long word at once
249 ! Third, copy a byte at once, if necessary
H A Dmemcpy.S24 bt/s 7f ! if it's too small, copy a byte at once
52 ! copy a byte at once
81 2: ! Second, copy a long word at once
89 ! Third, copy a byte at once, if necessary
111 2: ! Second, read a long word and write a long word at once
141 ! Third, copy a byte at once, if necessary
159 2: ! Second, read a word and write a word at once
169 ! Third, copy a byte at once, if necessary
192 2: ! Second, read a long word and write a long word at once
223 ! Third, copy a byte at once, if necessary
/linux/tools/perf/pmu-events/arch/x86/skylakex/
H A Dfloating-point.json3 …"BriefDescription": "Counts once for most SIMD 128-bit packed computational double precision float…
7 …"PublicDescription": "Counts once for most SIMD 128-bit packed computational double precision floa…
12 …"BriefDescription": "Counts once for most SIMD 128-bit packed computational single precision float…
16 …"PublicDescription": "Counts once for most SIMD 128-bit packed computational single precision floa…
21 …"BriefDescription": "Counts once for most SIMD 256-bit packed double computational precision float…
25 …"PublicDescription": "Counts once for most SIMD 256-bit packed double computational precision floa…
30 …"BriefDescription": "Counts once for most SIMD 256-bit packed single computational precision float…
34 …"PublicDescription": "Counts once for most SIMD 256-bit packed single computational precision floa…
75 …"BriefDescription": "Counts once for most SIMD scalar computational floating-point instructions re…
79 …"PublicDescription": "Counts once for most SIMD scalar computational single precision and double p…
[all …]
/linux/fs/smb/client/
H A Dcifs_debug.h34 #define ONCE 8 macro
76 if ((type) & ONCE) \
77 cifs_dbg_func(once, type, fmt, ##__VA_ARGS__); \
101 if ((type) & ONCE) \
102 cifs_server_dbg_func(once, type, fmt, ##__VA_ARGS__); \
125 if ((type) & ONCE) \
126 cifs_tcon_dbg_func(once, type, fmt, ##__VA_ARGS__); \
/linux/tools/perf/Documentation/
H A Dperf-ftrace.txt89 by using this option more than once. The function argument also
96 argument. Like -T option, this can be used more than once to
111 than once to specify multiple functions. It will be passed to
119 executed from the given function. This can be used more than once to
169 Multiple functions can be given by using this option more than once.
176 can be used more than once to specify multiple functions (or glob
183 can be used more than once to specify multiple functions. It will be
191 can be used more than once to specify multiple functions. It will be
/linux/fs/xfs/
H A Dxfs_extfree_item.h32 * On allocation, both references are the responsibility of the caller. Once the
34 * transfers to the transaction. The reference is dropped once the EFI is
38 * means to detect failure once the transaction is committed, however.
42 * Once an EFD is allocated and dirtied in a transaction, reference two
43 * transfers to the transaction. The EFD reference is dropped once it reaches
/linux/Documentation/leds/
H A Dledtrig-transient.rst12 features that require an on or off state to be held just once and then stay in
37 being able to actually change the LED state. Once driver is resumed, triggers
91 is used to start a timer that runs once. This value doesn't
114 allow user app to set the time once and activate it to run it once for the
150 echo 1 > activate - start timer = duration to run once
151 echo 1 > activate - start timer = duration to run once
/linux/include/linux/dma/
H A Dsprd-dma.h18 * configurations. Once the source channel's transaction is done, it will
50 * automatically once the source channel's fragment request is done.
52 * automatically once the source channel's block request is done.
54 * automatically once the source channel's transfer request is done.
56 * automatically once the source channel's link-list request is done.
121 * @wrap_addr: the wrap address for link-list mode, which means once the
134 * Once trigger the DMA transfer, the DMA controller will load 'configuration
/linux/drivers/md/dm-vdo/
H A Daction-manager.c186 * We are about to apply to the last zone. Once that is finished, we're done, so go in apply_to_zone()
278 * @preamble: A method to be invoked on the initiator thread once this action is started but before
281 * @conclusion: A method to be invoked back on the initiator thread once the action has been
283 * @parent: The object to notify once the action is complete or if the action can not be scheduled;
305 * @preamble: A method to be invoked on the initiator thread once this action is started but before
308 * @conclusion: A method to be invoked back on the initiator thread once the action has been
310 * @parent: The object to notify once the action is complete or if the action can not be scheduled;
334 * @preamble: A method to be invoked on the initiator thread once this action is started but before
337 * @conclusion: A method to be invoked back on the initiator thread once the action has been
341 * @parent: The object to notify once the action is complete or if the action can not be scheduled;
/linux/drivers/atm/
H A DKconfig92 Burst sixteen words at once in the send direction. This may work
99 Burst eight words at once in the send direction. This is the default
106 Burst four words at once in the send direction. You may want to try
114 Burst two words at once in the send direction. You may want to try
122 Burst sixteen words at once in the receive direction. This may work
129 Burst eight words at once in the receive direction. This may work
137 Burst four words at once in the receive direction. This is the
145 Burst two words at once in the receive direction. You may want to
/linux/Documentation/firmware-guide/acpi/
H A Dmethod-tracing.rst67 # echo "method-once" > /sys/module/acpi/parameters/trace_state
133 # echo "method-once" > trace_state
157 acpi.trace_method_name=\_SB.LID0._LID acpi.trace_state=opcode-once
209 "method-once"
213 during method execution of "trace_method_name" will be logged only once.
221 "opcode-once"
226 once.
/linux/arch/m68k/include/asm/
H A Dsun3xflop.h48 static int once = 0; in sun3x_82072_fd_inb() local
60 if(!once) { in sun3x_82072_fd_inb()
61 once = 1; in sun3x_82072_fd_inb()
205 static int once = 0; in sun3xflop_request_irq() local
208 if(!once) { in sun3xflop_request_irq()
209 once = 1; in sun3xflop_request_irq()
/linux/Documentation/networking/
H A Dnf_conntrack-sysctl.rst98 Note that connection tracking entries are added to the table twice -- once
99 for the original direction and once for the reply direction (i.e., with
218 enabled. This option cannot be disabled once it is enabled.
225 Once aged, the connection is returned to nf conntrack.
232 Once aged, the connection is returned to nf conntrack.
/linux/include/uapi/linux/
H A Dum_timetravel.h134 * Note that if a calendar sends this message once, the host may
142 * @UM_TIMETRAVEL_GET_TOD: Return time of day, typically used once at
206 * shared memory times, and once shared memory is initialized, any interaction
232 * &enum um_timetravel_schedshm_cap, set by client once after getting the
253 * set by controller once at init, clients must check this after mapping
256 * @len: Length of all the memory including header (@hdr), clients should once
272 * @max_clients: size of @clients array, set once at init by the controller.
/linux/lib/
H A Ddhry_1.c38 /* executed once */ in Proc_3()
51 /* executed once */ in Proc_1()
82 /* executed once */ in Proc_2()
90 /* executed once */ in Proc_2()
103 /* executed once */ in Proc_4()
115 /* executed once */ in Proc_5()
190 /* loop body executed once */ in dhry()
/linux/drivers/media/platform/mediatek/vcodec/decoder/
H A Dvdec_vpu_if.h56 * vpu_dec_start - start decoding, basically the function will be invoked once
66 * vpu_dec_end - end decoding, basically the function will be invoked once
91 * vpu_dec_core - core start decoding, basically the function will be invoked once
99 * vpu_dec_core_end - core end decoding, basically the function will be invoked once

12345678910>>...110