Searched refs:overflow (Results 1 - 25 of 45) sorted by relevance

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/arch/x86/kernel/
H A Dirq_32.c34 /* Debugging check for stack overflow: is there less than 1KB free? */
85 execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq) argument
108 if (unlikely(overflow))
167 int overflow; local
169 overflow = check_stack_overflow();
175 if (user_mode_vm(regs) || !execute_on_irq_stack(overflow, desc, irq)) {
176 if (unlikely(overflow))
H A Dmodule.c175 goto overflow;
180 goto overflow;
187 goto overflow;
198 overflow:
199 pr_err("overflow in relocation type %d val %Lx\n",
H A Dmachine_kexec_64.c511 goto overflow;
516 goto overflow;
530 overflow:
H A Dtraps.c230 DO_ERROR(X86_TRAP_OF, SIGSEGV, "overflow", overflow)
806 set_system_intr_gate(X86_TRAP_OF, &overflow);
/arch/mn10300/lib/
H A D__ashldi3.S37 lsr a1,d0,a1 # get overflow from LSW -> MSW
39 or_asl a1,d1,a0,d0 # insert overflow into MSW and
/arch/m68k/fpsp040/
H A Dx_ovfl.S4 | fpsp_ovfl --- FPSP handler for overflow exception
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
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 Dscosh.S34 | However, invoking exp(|X|) may cause premature overflow.
42 | 5. (|X| > 16480 log2) sinh(X) must overflow. Return
43 | Huge*Huge to generate overflow and an infinity with
H A Dssinh.S34 | However, invoking exp(|X|) may cause premature overflow.
43 | 5. (|X| > 16480 log2) sinh(X) must overflow. Return
44 | sign(X)*Huge*Huge to generate overflow and an infinity with
H A Dscale.S6 | the source operand is (>= 2^14) an overflow or underflow
94 | The result can be denormalized, if src = 0, or overflow,
102 cmpil #0x7fff,%d1 |test for overflow
H A Ddecbin.S28 | Note: this operation can never overflow.
34 | Note: this operation can never overflow.
H A Dfpsp.h232 .set ovfl_bit,4 | overflow
239 .set aovfl_bit,6 | accrued overflow
261 .set aovfl_mask,0x00000040 | accrued overflow
/arch/s390/lib/
H A Dqrnnd.S23 brc 3,0f # (n/4) div (n/2) can overflow by 1
44 brc 12,3f # overflow on r ?
63 brc 12,7f # overflow on r ?
/arch/s390/kernel/
H A Dperf_cpum_sf.c504 debug_sprintf_event(sfdbg, 5, "sfb: overflow: overflow=%llu ratio=%lu"
513 * Use this function to extend the sampling buffer based on the overflow counter
774 /* Initialize sample data overflow accounting */
875 /* Account number of overflow-designated buffer extents */
971 * possible event overflows. If an event overflow occurs, the PMU is
974 * Return non-zero if an event overflow occurred.
978 int overflow; local
1032 overflow = 0;
1036 overflow
1140 hw_collect_samples(struct perf_event *event, unsigned long *sdbt, unsigned long long *overflow) argument
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/arch/mn10300/unit-asb2364/include/unit/
H A Dtimex.h41 # error MTM tick timer interval value is overflow.
/arch/x86/kernel/cpu/
H A Dperf_event_amd_ibs.c77 int overflow = 0; local
86 overflow = 1;
93 overflow = 1;
97 * If the hw period that triggers the sw overflow is too short
112 return overflow;
293 int overflow; local
296 overflow = perf_event_set_period(hwc, 1<<4, perf_ibs->max_period, period);
299 return overflow;
327 * Set width to 64 since we do not overflow on max width but
329 * prev count manually on overflow
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H A Dperf_event_p4.c859 /* an official way for overflow indication */
867 * In some circumstances the overflow might issue an NMI but did
1010 int overflow; local
1024 /* it might be unflagged overflow */
1025 overflow = p4_pmu_clear_cccr_ovf(hwc);
1028 if (!overflow && (val & (1ULL << (x86_pmu.cntval_bits - 1))))
1031 handled += overflow;
1033 /* event overflow for sure */
1363 * logical processor when an overflow happens, testing has shown that
1366 * overflow bu
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/arch/x86/include/asm/
H A Dtraps.h18 asmlinkage void overflow(void);
/arch/s390/include/asm/
H A Dcpu_mf.h141 unsigned long long overflow; /* 64 - sample Overflow count */ member in struct:hws_trailer_entry
/arch/arm64/kernel/
H A Dmodule.c142 * For unsigned immediates, the overflow check is straightforward.
220 /* Check for overflow by default. */
273 /* We're using the top bits so we can't overflow. */
318 /* We're using the top bits so we can't overflow. */
386 goto overflow;
392 overflow:
393 pr_err("module %s: overflow in relocation type %d val %Lx\n",
/arch/m68k/ifpsp060/
H A Dfskeleton.S70 | This is the exit point for the 060FPSP when an enabled overflow exception
72 | for enabled overflow conditions. The exception stack frame is an overflow
/arch/mips/kernel/
H A Dperf_event_mipsxx.c88 u64 overflow; member in struct:mips_pmu
402 local64_set(&hwc->prev_count, mipspmu.overflow - left);
404 mipspmu.write_counter(idx, mipspmu.overflow - left);
1335 if (counter & mipspmu.overflow) { \
1713 mipspmu.overflow = 1ULL << 63;
1720 mipspmu.overflow = 1ULL << 31;
/arch/alpha/lib/
H A Dev6-memchr.S42 # search til the end of the address space, we will overflow
H A Dmemchr.S45 # search til the end of the address space, we will overflow
/arch/x86/math-emu/
H A Dreg_ld_str.c453 goto overflow;
470 overflow:
637 goto overflow;
651 overflow:
660 /* Masked response is overflow to infinity. */
918 /* Check for overflow, by comparing with 999999999999999999 decimal. */
967 In the case of overflow, the returned significand always has the
982 return 1; /* overflow */
995 return 1; /* overflow */
1003 return 1; /* overflow */
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