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/linux/Documentation/arch/x86/i386/
H A DIO-APIC.rst16 multiple IO-APICs. Multiple IO-APICs are used in high-end servers to
/linux/tools/arch/x86/include/asm/
H A Dirq_vectors.h
/linux/arch/x86/include/asm/
H A Dirq_vectors.h122 * and the maximum number of IO-APICs, whichever is higher.
H A Dio_apic.h99 * # of IO-APICs and # of IRQ routing registers
H A Dapicdef.h8 * Constants for various Intel APICs. (local APIC, IOAPIC, etc.)
H A Dkvm_host.h1111 /* All local APICs are software disabled. */
1113 /* All software enabled local APICs in xAPIC cluster addressing mode. */
1115 /* All software enabled local APICs in xAPIC flat addressing mode. */
1117 /* All software enabled local APICs in x2APIC mode. */
1120 * Optimized map disabled, e.g. not all local APICs in the same logical
1121 * mode, same logical ID assigned to multiple APICs, etc.
H A Dapic.h91 * Basic functions accessing APICs.
/linux/tools/perf/trace/beauty/arch/x86/include/asm/
H A Dirq_vectors.h122 * and the maximum number of IO-APICs, whichever is higher.
/linux/drivers/acpi/
H A Dioapic.c16 * This driver manages I/O APICs added by hotplug after boot.
/linux/Documentation/PCI/
H A Dboot-interrupts.rst79 Starting with ICX there are no longer any IO-APICs in the Core IO's
/linux/arch/x86/kernel/
H A Dmachine_kexec_32.c182 * We need to put APICs in legacy mode so that we can in machine_kexec()
H A Dsmp.c187 * protection against that as "disabled" APICs still respond to in native_stop_other_cpus()
H A Dmachine_kexec_64.c423 * We need to put APICs in legacy mode so that we can in machine_kexec()
H A Dsmpboot.c30 * Maciej W. Rozycki : Bits for genuine 82489DX APICs
/linux/arch/x86/kernel/apic/
H A Dapic.c8 * Maciej W. Rozycki : Bits for genuine 82489DX APICs;
289 * overlaps with bit 18 on integrated APICs, but is not documented in __setup_APIC_LVTT()
1538 * Except for APICs which operate in physical destination mode. in setup_local_APIC()
1937 * Detect and enable local APICs on non-SMP boards.
2302 * address APICs which can't be addressed in the normal 32-bit in __irq_msi_compose_msg()
2507 * This device has no shutdown method - fully functioning local APICs
H A Dmsi.c133 * is pending in the local APICs IRR. It is safe to do this outside in msi_set_affinity()
H A Dio_apic.c17 * Maciej W. Rozycki : Bits for genuine 82489DX APICs;
2226 /* Handle device tree enumerated APICs proper */ in mp_irqdomain_create()
2695 pr_warn("Max # of I/O APICs (%d) exceeded (found %d), skipping\n", in mp_register_ioapic()
H A Dvector.c1056 * up is registered at the APICs IRR. That's clearly a in __vector_cleanup()
/linux/tools/perf/pmu-events/arch/x86/snowridgex/
H A Dother.json97 … This event does not increment if EFLAGS.IF is 0 but all interrupt in the APICs Interrupt Request …
/linux/tools/perf/pmu-events/arch/x86/elkhartlake/
H A Dother.json97 … This event does not increment if EFLAGS.IF is 0 but all interrupt in the APICs Interrupt Request …
/linux/arch/x86/pci/
H A Di386.c405 * occurred to handle IO APICS that are mapped in on a BAR in in pcibios_resource_survey()
/linux/arch/x86/kernel/acpi/
H A Dboot.c1184 * so if it is off, don't enumerate the io-apics with ACPI. in acpi_parse_madt_ioapic_entries()
1195 * if "noapic" boot option, don't look for IO-APICs in acpi_parse_madt_ioapic_entries()
1570 * 3. enumerates io-apics
/linux/include/acpi/
H A Dactbl.h294 #define ACPI_FADT_APIC_CLUSTER (1<<18) /* 18: [V4] All local APICs must use cluster model (ACP…
/linux/arch/x86/kvm/
H A Dlapic.c300 * To optimize logical mode delivery, all software-enabled APICs must in kvm_recalculate_logical_map()
314 * reversing the LDR calculation to get cluster of APICs, i.e. no in kvm_recalculate_logical_map()
3212 /* set SPIV separately to get count of SW disabled APICs right */ in kvm_apic_set_state()
/linux/drivers/iommu/intel/
H A Dirq_remapping.c904 pr_warn("Exceeded Max IO APICS\n"); in ir_parse_one_ioapic_scope()

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