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Searched refs:old_cpu (Results 1 – 19 of 19) sorted by relevance

/linux-6.15/drivers/xen/events/
H A Devents_internal.h19 unsigned int old_cpu);
65 unsigned int old_cpu) in xen_evtchn_port_bind_to_cpu() argument
67 evtchn_ops->bind_to_cpu(evtchn, cpu, old_cpu); in xen_evtchn_port_bind_to_cpu()
H A Devents_2l.c56 unsigned int old_cpu) in evtchn_2l_bind_to_cpu() argument
58 clear_bit(evtchn, BM(per_cpu(cpu_evtchn_mask, old_cpu))); in evtchn_2l_bind_to_cpu()
H A Devents_fifo.c189 unsigned int old_cpu) in evtchn_fifo_bind_to_cpu() argument
/linux-6.15/kernel/
H A Dpanic.c198 int old_cpu, this_cpu; in nmi_panic() local
200 old_cpu = PANIC_CPU_INVALID; in nmi_panic()
204 if (atomic_try_cmpxchg(&panic_cpu, &old_cpu, this_cpu)) in nmi_panic()
206 else if (old_cpu != this_cpu) in nmi_panic()
293 int old_cpu, this_cpu; in panic() local
330 old_cpu = PANIC_CPU_INVALID; in panic()
334 if (atomic_try_cmpxchg(&panic_cpu, &old_cpu, this_cpu)) { in panic()
336 } else if (old_cpu != this_cpu) in panic()
H A Dcrash_core.c131 int old_cpu, this_cpu; in crash_kexec() local
138 old_cpu = PANIC_CPU_INVALID; in crash_kexec()
141 if (atomic_try_cmpxchg(&panic_cpu, &old_cpu, this_cpu)) { in crash_kexec()
/linux-6.15/arch/x86/kernel/
H A Dsmp.c151 unsigned int old_cpu, this_cpu; in native_stop_other_cpus() local
158 old_cpu = -1; in native_stop_other_cpus()
160 if (!atomic_try_cmpxchg(&stopping_cpu, &old_cpu, this_cpu)) in native_stop_other_cpus()
/linux-6.15/arch/mips/sibyte/sb1250/
H A Dirq.c73 int i = 0, old_cpu, cpu, int_on; in sb1250_set_affinity() local
87 old_cpu = sb1250_irq_owner[irq]; in sb1250_set_affinity()
88 cur_ints = ____raw_readq(IOADDR(A_IMR_MAPPER(old_cpu) + in sb1250_set_affinity()
94 ____raw_writeq(cur_ints, IOADDR(A_IMR_MAPPER(old_cpu) + in sb1250_set_affinity()
/linux-6.15/arch/mips/sibyte/bcm1480/
H A Dirq.c81 int i = 0, old_cpu, cpu, int_on, k; in bcm1480_set_affinity() local
94 old_cpu = bcm1480_irq_owner[irq]; in bcm1480_set_affinity()
101 …cur_ints = ____raw_readq(IOADDR(A_BCM1480_IMR_MAPPER(old_cpu) + R_BCM1480_IMR_INTERRUPT_MASK_H + (… in bcm1480_set_affinity()
106 …____raw_writeq(cur_ints, IOADDR(A_BCM1480_IMR_MAPPER(old_cpu) + R_BCM1480_IMR_INTERRUPT_MASK_H + (… in bcm1480_set_affinity()
/linux-6.15/kernel/debug/kdb/
H A Dkdb_io.c623 int this_cpu, old_cpu; in vkdb_printf() local
635 old_cpu = cmpxchg(&kdb_printf_cpu, -1, this_cpu); in vkdb_printf()
636 if (old_cpu == -1 || old_cpu == this_cpu) in vkdb_printf()
886 smp_store_release(&kdb_printf_cpu, old_cpu); in vkdb_printf()
/linux-6.15/kernel/locking/
H A Dosq_lock.c56 int old_cpu) in osq_wait_next() argument
62 atomic_cmpxchg_acquire(&lock->tail, curr, old_cpu) == curr) { in osq_wait_next()
/linux-6.15/tools/perf/scripts/python/
H A Dsched-migration.py191 def migrate(self, ts_list, new, old_cpu, new_cpu): argument
192 if old_cpu == new_cpu:
194 old_rq = self.prev.rqs[old_cpu]
196 self.rqs[old_cpu] = out_rq
207 self.event_cpus.append(old_cpu)
/linux-6.15/drivers/irqchip/
H A Dirq-bcm6345-l1.c193 unsigned int old_cpu = cpu_for_irq(intc, d); in bcm6345_l1_set_affinity() local
205 if (old_cpu != new_cpu) { in bcm6345_l1_set_affinity()
206 enabled = intc->cpus[old_cpu]->enable_cache[word] & mask; in bcm6345_l1_set_affinity()
H A Dirq-mips-gic.c372 unsigned int cpu, cl, old_cpu, old_cl; in gic_set_affinity() local
384 old_cpu = cpumask_first(irq_data_get_effective_affinity_mask(d)); in gic_set_affinity()
385 old_cl = cpu_cluster(&cpu_data[old_cpu]); in gic_set_affinity()
/linux-6.15/arch/x86/kernel/cpu/
H A Dmshyperv.c330 unsigned int old_cpu, this_cpu; in hv_nmi_unknown() local
335 old_cpu = -1; in hv_nmi_unknown()
337 if (!atomic_try_cmpxchg(&nmi_cpu, &old_cpu, this_cpu)) in hv_nmi_unknown()
/linux-6.15/drivers/hv/
H A Dhyperv_vmbus.h447 static inline void hv_update_allocated_cpus(unsigned int old_cpu, in hv_update_allocated_cpus() argument
451 hv_clear_allocated_cpu(old_cpu); in hv_update_allocated_cpus()
/linux-6.15/drivers/infiniband/hw/hfi1/
H A Daffinity.c745 int i, old_cpu; in hfi1_update_sdma_affinity() local
755 old_cpu = sde->cpu; in hfi1_update_sdma_affinity()
778 if (cpumask_test_cpu(old_cpu, &other_msix->mask)) in hfi1_update_sdma_affinity()
781 cpumask_clear_cpu(old_cpu, &set->mask); in hfi1_update_sdma_affinity()
782 cpumask_clear_cpu(old_cpu, &set->used); in hfi1_update_sdma_affinity()
/linux-6.15/arch/x86/events/intel/
H A Duncore.c1464 static void uncore_change_type_ctx(struct intel_uncore_type *type, int old_cpu, in uncore_change_type_ctx() argument
1471 die = topology_logical_die_id(old_cpu < 0 ? new_cpu : old_cpu); in uncore_change_type_ctx()
1477 if (old_cpu < 0) { in uncore_change_type_ctx()
1486 WARN_ON_ONCE(box->cpu != -1 && box->cpu != old_cpu); in uncore_change_type_ctx()
1488 cpumask_clear_cpu(old_cpu, &pmu->cpu_mask); in uncore_change_type_ctx()
1495 perf_pmu_migrate_context(&pmu->pmu, old_cpu, new_cpu); in uncore_change_type_ctx()
1502 int old_cpu, int new_cpu) in uncore_change_context() argument
1505 uncore_change_type_ctx(*uncores, old_cpu, new_cpu); in uncore_change_context()
/linux-6.15/arch/powerpc/perf/
H A Dimc-pmu.c344 static void nest_change_cpu_context(int old_cpu, int new_cpu) in nest_change_cpu_context() argument
348 if (old_cpu < 0 || new_cpu < 0) in nest_change_cpu_context()
352 perf_pmu_migrate_context(&(*pn)->pmu, old_cpu, new_cpu); in nest_change_cpu_context()
/linux-6.15/arch/powerpc/kernel/
H A Dfadump.c689 int old_cpu, this_cpu; in crash_fadump() local
704 old_cpu = cmpxchg(&crashing_cpu, -1, this_cpu); in crash_fadump()
706 if (old_cpu != -1) { in crash_fadump()