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/linux-6.15/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
20 __mutex_init(&once->lock, name, key); in __once_init()
23 #define once_init(once) \ argument
26 __once_init((once), #once, &__key); \
44 static inline int call_once(struct once *once, int (*cb)(struct once *)) in call_once() argument
52 guard(mutex)(&once->lock); in call_once()
53 state = atomic_read(&once->state); in call_once()
57 atomic_set(&once->state, ONCE_RUNNING); in call_once()
58 r = cb(once); in call_once()
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/linux-6.15/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
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/linux-6.15/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-6.15/arch/x86/boot/compressed/
H A Dmem.c17 static bool once; in early_is_tdx_guest() local
23 if (!once) { in early_is_tdx_guest()
29 once = true; in early_is_tdx_guest()
/linux-6.15/Documentation/admin-guide/
H A Dclearing-warn-once.rst4 WARN_ONCE / WARN_ON_ONCE / printk_once only emit a message once.
8 clears the state and allows the warnings to print once again.
/linux-6.15/fs/smb/client/
H A Dcifs_debug.h77 cifs_dbg_func(once, type, fmt, ##__VA_ARGS__); \
102 cifs_server_dbg_func(once, type, fmt, ##__VA_ARGS__); \
126 cifs_tcon_dbg_func(once, type, fmt, ##__VA_ARGS__); \
/linux-6.15/Documentation/devicetree/bindings/watchdog/
H A Dxlnx,xps-timebase-wdt.yaml45 xlnx,wdt-enable-once:
48 description: If watchdog is configured as enable once,
65 xlnx,wdt-enable-once = <0x0>;
/linux-6.15/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-6.15/lib/
H A Dbug.c157 unsigned line, warning, once, done; in __report_bug() local
171 once = (bug->flags & BUGFLAG_ONCE) != 0; in __report_bug()
174 if (warning && once) { in __report_bug()
/linux-6.15/Documentation/hwmon/
H A Dadc128d818.rst39 is read at least once. This means that the cause for the alarm may
42 once, to ensure that alarms are reported to user space.
44 The ADC128D818 only updates its values approximately once per second;
H A Dlm78.rst45 Temperatures are measured in degrees Celsius. An alarm is triggered once
73 is read at least once. This means that the cause for the alarm may
77 miss once-only alarms.
/linux-6.15/tools/testing/selftests/resctrl/
H A Dfill_buf.c91 void fill_cache_read(unsigned char *buf, size_t buf_size, bool once) in fill_cache_read() argument
97 if (once) in fill_cache_read()
/linux-6.15/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-6.15/arch/arm64/boot/dts/exynos/google/
H A Dgs101-pixel-common.dtsi63 /* TODO: Remove this once PMIC is implemented */
69 /* TODO: Remove this once S2MPG11 slave PMIC is implemented */
107 /* TODO: add the devices once drivers exist */
260 /* TODO: Update these once PMIC is implemented */
/linux-6.15/tools/testing/selftests/net/packetdrill/
H A Dtcp_zerocopy_epoll_edge.pkt8 // is correctly fired only once, when EPOLLET is set. send another packet with
9 // MSG_ZEROCOPY. confirm that EPOLLERR is correctly fired again only once.
H A Dtcp_zerocopy_epoll_exclusive.pkt9 // is correctly fired only once, when EPOLLET is set. send another packet with
10 // MSG_ZEROCOPY. confirm that EPOLLERR is correctly fired again only once.
H A Dtcp_zerocopy_epoll_oneshot.pkt4 // This is a test to confirm that EPOLLERR is only fired once for an FD when
8 // is correctly fired only once, when EPOLLONESHOT is set. send another packet
H A Dtcp_timestamping_client-only-last-byte.pkt38 // once 10001 is acked at t=20ms.
59 // once 10001 is acked at t=20ms.
/linux-6.15/arch/sparc/include/asm/
H A Dfloppy_32.h263 static int once = 0; in sun_fd_request_irq() local
265 if (!once) { in sun_fd_request_irq()
266 once = 1; in sun_fd_request_irq()
/linux-6.15/arch/arm64/boot/dts/exynos/
H A Dexynos8895-dreamlte.dts98 /* TODO: Remove once PMIC is implemented */
114 /* TODO: Update once PMIC is implemented */
142 /* TODO: Add regulators once PMIC is implemented */
/linux-6.15/Documentation/leds/
H A Dledtrig-transient.rst12 features that require an on or off state to be held just once and then stay in
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-6.15/drivers/nvdimm/
H A Dregion.c16 static unsigned long once; in nd_region_probe() local
26 && !test_and_set_bit(0, &once)) { in nd_region_probe()
/linux-6.15/arch/arm/mach-mxs/
H A Dmach-mxs.c92 static int once; in mxs_get_ocotp() local
94 if (once) in mxs_get_ocotp()
140 once = 1; in mxs_get_ocotp()
/linux-6.15/Documentation/power/
H A Dapm-acpi.rst19 once. Some people with broken ACPI or broken APM implementations
22 interface can be in control of the machine at once. Think about it..
/linux-6.15/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

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