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/linux/Documentation/devicetree/bindings/interrupt-controller/
H A Dintel,ce4100-lapic.yaml4 $id: http://devicetree.org/schemas/interrupt-controller/intel,ce4100-lapic.yaml#
7 title: Intel Local Advanced Programmable Interrupt Controller (LAPIC)
15 architecture design, with a local component (LAPIC) integrated
17 (lapic) receives interrupts from the processor's interrupt pins,
22 Many of the Intel's generic devices like hpet, ioapic, lapic have
32 const: intel,ce4100-lapic
47 Virtual Wire Mode - use lapic as virtual wire interrupt delivery mode.
66 compatible = "intel,ce4100-lapic";
H A Dintel,ce4100-ioapic.yaml15 architecture design, with a local component (LAPIC) integrated
17 (lapic) receives interrupts from the processor's interrupt pins,
22 Many of the Intel's generic devices like hpet, ioapic, lapic have
/linux/Documentation/arch/x86/x86_64/
H A Dcpu-hotplug-spec.rst12 In ACPI each CPU needs an LAPIC object in the MADT table (5.2.11.5 in the
13 ACPI 3.0 specification). ACPI already has the concept of disabled LAPIC
14 objects by setting the Enabled bit in the LAPIC object to zero.
18 it should have its LAPIC Enabled bit set to 0. Linux will use the number
/linux/tools/testing/selftests/kvm/x86/
H A Dxapic_state_test.c200 struct kvm_lapic_state lapic = {}; in test_x2apic_id() local
213 *(u32 *)(lapic.regs + APIC_ID) = i << 24; in test_x2apic_id()
214 *(u32 *)(lapic.regs + APIC_SPIV) = APIC_SPIV_APIC_ENABLED; in test_x2apic_id()
215 vcpu_ioctl(vcpu, KVM_SET_LAPIC, &lapic); in test_x2apic_id()
217 vcpu_ioctl(vcpu, KVM_GET_LAPIC, &lapic); in test_x2apic_id()
218 TEST_ASSERT(*((u32 *)&lapic.regs[APIC_ID]) == vcpu->id << 24, in test_x2apic_id()
H A Dsvm_int_ctl_test.c35 /* This code raises interrupt INTR_IRQ_NUMBER in the L1's LAPIC, in l2_guest_code()
H A Dxapic_ipi_test.c69 * arch/x86/kvm/lapic.c). If test is failing, check that values match
/linux/arch/x86/hyperv/
H A Dhv_init.c430 * as we can run with the LAPIC timer as a fallback. in hv_stimer_setup_percpu_clockev()
437 * Still register the LAPIC timer to allows users in hv_stimer_setup_percpu_clockev()
438 * to switch to LAPIC timer via /sys, if they want to. in hv_stimer_setup_percpu_clockev()
573 * hyperv_init() is called before LAPIC is initialized: see in hyperv_init()
576 * depends on LAPIC, so hv_stimer_alloc() should be called from in hyperv_init()
/linux/arch/x86/kernel/
H A Dmpparse.c157 if (!mpc->lapic) { in smp_check_mpc()
170 pr_info("MPTABLE: APIC at: 0x%X\n", mpc->lapic); in smp_check_mpc()
201 /* Initialize the lapic mapping */ in smp_read_mpc()
203 register_lapic_address(mpc->lapic); in smp_read_mpc()
H A Dirqinit.c63 * and then got re-enabled by "lapic", it hangs at boot time without this. in init_ISA_irqs()
/linux/arch/x86/platform/ce4100/
H A Dfalconfalls.dts22 lapic = <&lapic0>;
45 compatible = "intel,ce4100-lapic";
/linux/arch/x86/platform/intel-mid/
H A Dintel-mid.c53 /* Lapic only, no apbt */ in intel_mid_time_init()
/linux/arch/x86/mm/
H A Dsrat.c64 /* Callback for Proximity Domain -> LAPIC mapping */
/linux/arch/x86/include/asm/
H A Dmpspec_def.h47 unsigned int lapic; /* APIC address */ member
/linux/drivers/clocksource/
H A Dhyperv_timer.c221 * clockevent based on emulated LAPIC timer hardware. in hv_stimer_alloc()
532 * on the emulated PIT or LAPIC timer. in hv_init_clocksource()
/linux/drivers/platform/x86/amd/pmc/
H A Dpmc.c55 {"LAPIC", BIT(18)},
72 {"LAPIC", BIT(13)},
98 {"LAPIC", BIT(11)},
/linux/arch/x86/kvm/vmx/
H A Dposted_intr.c10 #include "lapic.h"
H A Dvmx.c63 #include "lapic.h"
/linux/arch/loongarch/kernel/
H A Dacpi.c413 pr_info(PREFIX "Unable to map lapic to logical cpu number\n"); in acpi_map_cpu()
/linux/arch/x86/kernel/cpu/
H A Dmshyperv.c666 pr_info("Hyper-V: LAPIC Timer Frequency: %#x\n", in ms_hyperv_init_platform()
/linux/drivers/acpi/
H A Dtables.c58 pr_debug("LAPIC (acpi_id[0x%02x] lapic_id[0x%02x] %s)\n", in acpi_table_print_madt_entry()
H A Dprocessor_idle.c145 * Check, if one of the previous states already marked the lapic in lapic_timer_check_state()
/linux/drivers/thermal/intel/
H A Dtherm_throt.c1040 /* We'll mask the thermal vector in the lapic till we're ready: */ in intel_init_thermal()
/linux/kernel/time/
H A Dtick-broadcast.c390 * misfeature only on x86 (lapic) in tick_do_broadcast()
/linux/arch/x86/events/amd/
H A Dcore.c864 * doesn't arrive at the LAPIC in time to become a pending NMI, then the kernel
/linux/Documentation/admin-guide/
H A Dkernel-parameters.txt3444 lapic [X86-32,APIC,EARLY] Enable the local APIC even if BIOS
3447 lapic= [X86,APIC] Do not use TSC deadline
3448 value for LAPIC timer one-shot implementation. Default
3449 back to the programmable timer unit in the LAPIC.