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/linux/tools/testing/selftests/bpf/progs/
H A Dverifier_div_overflow.c10 * an exception from INT_MIN/-1 overflow similarly as with div
15 __description("DIV32 overflow, check 1")
30 __description("DIV32 overflow, check 2")
44 __description("DIV64 overflow, check 1")
62 __description("DIV64 overflow, check 2")
79 __description("MOD32 overflow, check 1")
94 __description("MOD32 overflow, check 2")
108 __description("MOD64 overflow, check 1")
127 __description("MOD64 overflow, check 2")
/linux/Documentation/i2c/
H A Di2c_bus.svg28 style="overflow:visible"
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/linux/drivers/iio/test/
H A Diio-test-rescale.c9 #include <linux/overflow.h>
329 * INT_PLUS_{MICRO,NANO} decimal part overflow
332 .name = "decimal overflow IIO_VAL_INT_PLUS_NANO, positive",
341 .name = "decimal overflow IIO_VAL_INT_PLUS_NANO, negative",
350 .name = "decimal overflow IIO_VAL_INT_PLUS_NANO, negative schan",
359 .name = "decimal overflow IIO_VAL_INT_PLUS_MICRO, positive",
368 .name = "decimal overflow IIO_VAL_INT_PLUS_MICRO, negative",
377 .name = "decimal overflow IIO_VAL_INT_PLUS_MICRO, negative schan",
386 * 32-bit overflow conditions
389 .name = "overflow IIO_VAL_FRACTIONAL, positive",
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/linux/tools/perf/pmu-events/arch/powerpc/power8/
H A Dpmc.json5 "BriefDescription": "Overflow from counter 1",
11 "BriefDescription": "Overflow from counter 2",
29 "BriefDescription": "Overflow from counter 3",
35 "BriefDescription": "Overflow from counter 4",
53 "BriefDescription": "Overflow from counter 5",
59 "BriefDescription": "Overflow from counter 6",
/linux/drivers/net/ethernet/sun/
H A Dsunqe.h74 #define CREG_STAT_CCOFLOW 0x00100000 /* TX Coll-counter Overflow */
79 #define CREG_STAT_RCCOFLOW 0x00001000 /* RX Coll-counter Overflow */
80 #define CREG_STAT_RUOFLOW 0x00000800 /* Runt Counter Overflow */
81 #define CREG_STAT_MCOFLOW 0x00000400 /* Missed Counter Overflow */
82 #define CREG_STAT_RXFOFLOW 0x00000200 /* RX FIFO Overflow */
84 #define CREG_STAT_FCOFLOW 0x00000080 /* Frame Counter Overflow */
85 #define CREG_STAT_CECOFLOW 0x00000040 /* CRC Error-counter Overflow*/
102 #define CREG_QMASK_COFLOW 0x00100000 /* CollCntr overflow */
120 #define CREG_MMASK_OFLOW 0x00000800 /* Overflow */
121 #define CREG_MMASK_RXCOLL 0x00000400 /* RX Coll-Cntr overflow */
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/linux/tools/testing/selftests/drivers/net/netdevsim/
H A Dudp_tunnel_nic.sh364 # Overflow the table
424 overflow_table0 "overflow NIC table"
425 overflow_table1 "overflow NIC table"
427 msg="replace VxLAN in overflow table"
431 msg="vacate VxLAN in overflow table"
435 msg="replace GENEVE in overflow table"
439 msg="vacate GENEVE in overflow table"
447 msg="table sharing - overflow"
449 msg="table sharing - overflow v6"
481 overflow_table0 "overflow NIC table"
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/linux/Documentation/RCU/Design/Memory-Ordering/
H A DTreeRCU-dyntick.svg43 style="overflow:visible">
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H A DTreeRCU-hotplug.svg43 style="overflow:visible">
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/linux/drivers/media/rc/
H A Digorplugusb.c51 unsigned i, start, overflow; in igorplugusb_irdata() local
57 * overwrites its buffer from the beginning. The overflow value is the in igorplugusb_irdata()
61 overflow = ir->buf_in[2]; in igorplugusb_irdata()
62 i = start = overflow + HEADERLEN; in igorplugusb_irdata()
65 dev_err(ir->dev, "receive overflow invalid: %u", overflow); in igorplugusb_irdata()
67 if (overflow > 0) { in igorplugusb_irdata()
68 dev_warn(ir->dev, "receive overflow, at least %u lost", in igorplugusb_irdata()
69 overflow); in igorplugusb_irdata()
/linux/arch/xtensa/kernel/
H A Dvectors.S5 * as well as the window vectors (overflow and underflow), and the debug
117 * already in an exception, such as window overflow/underflow exception,
235 /* Window overflow/underflow exception. Get stack pointer. */
239 /* Check for overflow/underflow exception, jump if overflow. */
353 * Restart window OVERFLOW exception.
362 * overflow exception. Therefore, we change window base to the value
363 * before we entered the window overflow exception and prepare the
374 * To keep things simple, we take advantage of the fact all overflow
386 bbsi.l a0, 8, 1f # don't restore except for overflow 8 and 12
390 * overflow handler's reference thru a0 gets a hardware TLB refill
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/linux/include/linux/
H A Doverflow.h24 * overflow checkers only almost work for _Bool, but that's
45 static __always_inline bool __must_check __must_check_overflow(bool overflow) in __must_check_overflow() argument
47 return unlikely(overflow); in __must_check_overflow()
51 * check_add_overflow() - Calculate addition with overflow checking
97 * check_sub_overflow() - Calculate subtraction with overflow checking
143 * check_mul_overflow() - Calculate multiplication with overflow checking
173 * check_shl_overflow() - Calculate a left-shifted value and check overflow
228 * Returns: true if overflow can occur, false otherwise.
243 * starting at or beyond @max is considered an overflow, even if @size is 0.
278 * is not considered an overflow. Useful for iterator-style checks.
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/linux/Documentation/admin-guide/media/
H A Dipu3_rcb.svg5 <symbol overflow="visible" id="glyph0-0">
8 <symbol overflow="visible" id="glyph0-1">
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17 <symbol overflow="visible" id="glyph0-4">
20 <symbol overflow="visible" id="glyph0-5">
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/linux/arch/m68k/fpsp040/
H A Dutil.S6 | ovf_res: used by overflow to force the correct
70 | ovf_r_k --- overflow result calculation
86 | ovf_r_x2 --- overflow result calculation
157 | ovf_r_x3 --- overflow result calculation
173 | ovf_res --- overflow result calculation
199 tstb LOCAL_SGN(%a0) |if negative overflow
209 tstb LOCAL_SGN(%a0) |if negative overflow
230 tstb LOCAL_SGN(%a0) |if negative overflow
240 tstb LOCAL_SGN(%a0) |if negative overflow
261 tstb LOCAL_SGN(%a0) |if negative overflow
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H A Dx_ovfl.S4 | fpsp_ovfl --- FPSP handler for overflow exception
6 | Overflow occurs when a floating-point intermediate result is
23 | RM For pos overflow, the largest pos number. For neg overflow,
25 | RP For pos overflow, +infinity. For neg overflow, the largest
72 | if overflow traps not enabled check for inexact exception
/linux/arch/alpha/include/uapi/asm/
H A Dgentrap.h10 #define GEN_INTOVF -1 /* integer overflow */
12 #define GEN_FLTOVF -3 /* fp overflow */
17 #define GEN_DECOVF -8 /* decimal overflow (for COBOL??) */
23 #define GEN_STKOVF -14 /* stack overflow */
/linux/drivers/thermal/st/
H A Dst_thermal.c33 sensor->overflow = devm_regmap_field_alloc(dev, regmap, in st_thermal_alloc_regfields()
34 reg_fields[OVERFLOW]); in st_thermal_alloc_regfields()
40 IS_ERR(sensor->overflow) || in st_thermal_alloc_regfields()
114 unsigned int overflow; in st_thermal_get_temp() local
117 ret = regmap_field_read(sensor->overflow, &overflow); in st_thermal_get_temp()
120 if (overflow) in st_thermal_get_temp()
/linux/Documentation/devicetree/bindings/perf/
H A Darm,cmn.yaml30 - description: Overflow interrupt for DTC0
31 - description: Overflow interrupt for DTC1
32 - description: Overflow interrupt for DTC2
33 - description: Overflow interrupt for DTC3
/linux/Documentation/gpu/amdgpu/display/
H A Dpipeline_4k_no_split.svg27 style="overflow:visible"
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/linux/tools/perf/pmu-events/arch/powerpc/power10/
H A Dpmc.json15 "BriefDescription": "The event selected for PMC4 caused the event counter to overflow."
40 "BriefDescription": "The event selected for PMC5 caused the event counter to overflow."
85 "BriefDescription": "The event selected for PMC1 caused the event counter to overflow."
115 "BriefDescription": "The event selected for PMC2 caused the event counter to overflow."
130 "BriefDescription": "The event selected for PMC6 caused the event counter to overflow."
155 "BriefDescription": "The event selected for PMC3 caused the event counter to overflow."
/linux/tools/testing/selftests/arm64/mte/
H A Dcheck_child_memory.c21 #define OVERFLOW MT_GRANULE_SIZE macro
65 mte_initialize_current_context(mode, (uintptr_t)ptr, size + OVERFLOW); in check_child_tag_inheritance()
66 memset(ptr + size, '3', OVERFLOW); in check_child_tag_inheritance()
94 UNDERFLOW, OVERFLOW); in check_child_memory_mapping()
96 UNDERFLOW, OVERFLOW) != KSFT_PASS) in check_child_memory_mapping()
99 mte_free_memory_tag_range((void *)ptr, sizes[run], mem_type, UNDERFLOW, OVERFLOW); in check_child_memory_mapping()
118 map_size = sizes[run] + OVERFLOW + UNDERFLOW; in check_child_file_mapping()
/linux/drivers/acpi/acpica/
H A Dutstrtoul64.c21 * 8/10/16, with integer overflow support. This is used mainly by the
64 * 64-bit numeric overflow
121 * check for a 32-bit overflow later as necessary (If current mode in acpi_ut_strtoul64()
128 * Perform the base 8, 10, or 16 conversion. A 64-bit numeric overflow in acpi_ut_strtoul64()
146 /* Only possible exception from above is a 64-bit overflow */ in acpi_ut_strtoul64()
187 * (32 or 64 bits). There are no numeric overflow conditions. (NO ERROR)
228 * Ignore overflow as per the ACPI specification. This is implemented by in acpi_ut_implicit_strtoul64()
230 * On overflow, the input string is simply truncated. in acpi_ut_implicit_strtoul64()
266 * conversion case. There are no numeric overflow conditions. (NO ERROR)
311 * Ignore overflow as per the ACPI specification. This is implemented by in acpi_ut_explicit_strtoul64()
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/linux/arch/s390/kernel/
H A Dperf_cpum_sf.c508 * Use this function to extend the sampling buffer based on the overflow counter
827 /* If PID/TID sampling is active, replace the default overflow in __hw_perf_event_init()
919 * Account number of overflow-designated buffer extents in cpumsf_pmu_enable()
1008 * possible event overflows. If an event overflow occurs, the PMU is
1011 * Return non-zero if an event overflow occurred.
1016 int overflow; in perf_push_sample() local
1070 overflow = 0; in perf_push_sample()
1073 overflow = perf_event_overflow(event, &data, &regs); in perf_push_sample()
1076 return overflow; in perf_push_sample()
1087 * @overflow: Event overflow counter
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/linux/Documentation/mm/
H A Dvmalloced-kernel-stacks.rst32 the stack trace after overflow and response to the overflow itself
101 that VMAP'd stack overflow detection works correctly. Arch specific
120 Stack overflow handling
124 overflows into the guard pages, handlers have to be careful not to overflow
129 stack overflow on the double-fault stack.
/linux/tools/include/linux/
H A Doverflow.h23 * overflow checkers only almost work for _Bool, but that's
40 * macros), whereas gcc's type-generic overflow checkers accept
78 * with any overflow causing the return value to be SIZE_MAX. The
100 * overflow.
122 * overflow.
157 * Return: number of bytes needed or SIZE_MAX on overflow.
/linux/Documentation/userspace-api/media/v4l/
H A Dconstraints.svg3 …overflow="visible" orient="auto"><path id="path6263" transform="matrix(-.4 0 0 -.4 -4 0)" d="m0 0 …
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