Lines Matching refs:X86
12 acpi= [HW,ACPI,X86,ARM64,RISCV64,EARLY]
230 acpi_pm_good [X86]
277 add_efi_memmap [EFI,X86,EARLY] Include EFI memory map in
294 align_va_addr= [X86-64]
325 amd_iommu= [HW,X86-64]
348 amd_iommu_dump= [HW,X86-64]
354 amd_iommu_intr= [HW,X86-64]
363 amd_pstate= [X86,EARLY]
387 [X86]
408 apic= [APIC,X86,EARLY] Advanced Programmable Interrupt Controller
413 For X86-32, this can also be used to specify an APIC
418 apic_extnmi= [APIC,X86,EARLY] External NMI delivery setting
540 bgrt_disable [ACPI,X86,EARLY]
573 cachesize= [BUGS=X86-32] Override level 2 CPU cache size detection.
648 clearcpuid=X[,X...] [X86]
678 clock= [BUGS=X86-32, HW] gettimeofday clocksource override.
695 [X86-32] pit,hpet,tsc;
702 [X86-64] hpet,tsc
909 [X86,EARLY] Delay for N microsec between assert and de-assert
934 [KNL, X86-64, ARM64, RISCV, LoongArch] Select a region
947 [KNL, X86-64, ARM64, RISCV, LoongArch] range could be
955 [KNL, X86-64, ARM64, RISCV, LoongArch] range under 4G.
1065 debugpat [X86] Enable PAT debugging
1153 disable_mtrr_cleanup [X86,EARLY]
1158 disable_mtrr_trim [X86, Intel and AMD only,EARLY]
1164 disable_timer_pin_1 [X86,EARLY]
1168 dis_ucode_ldr [X86] Disable the microcode loader.
1188 [X86] Controls mitigation for Register File Data
1237 dump_apple_properties [X86]
1389 earlyprintk= [X86,SH,ARM,M68k,S390,UM,EARLY]
1468 efi_no_storage_paranoia [EFI,X86,EARLY]
1474 efivar_ssdt= [EFI; X86] Name of an EFI variable that contains an SSDT
1484 ekgdboc= [X86,KGDB,EARLY] Allow early kernel console debugging
1495 elanfreq= [X86-32]
1499 elfcorehdr=[size[KMG]@]offset[KMG] [PPC,SH,X86,S390,EARLY]
1505 enable_mtrr_cleanup [X86,EARLY]
1510 enable_timer_pin_1 [X86]
1562 forcepae [X86-32]
1569 fred= [X86-64]
1697 gart_fix_e820= [X86-64,EARLY] disable the fix e820 for K8 GART
1702 [X86,INTEL,EARLY] Control the Gather Data Sampling (GDS)
1727 goldfish [X86] Enable the goldfish android emulator platform.
1833 hpet= [X86-32,HPET] option to control HPET usage
1841 hpet_mmap= [X86, HPET_MMAP] Allow userspace to mmap HPET
1911 hv_nopvspin [X86,HYPER_V,EARLY]
1922 i2c_touchscreen_props= [HW,ACPI,X86]
1991 ia32_emulation= [X86-64]
2001 idle= [X86,EARLY]
2195 init_pkru= [X86] Specify the default memory protection keys rights
2203 int_pln_enable [X86] Enable power limit notification interrupt
2243 intel_idle.max_cstate= [KNL,HW,ACPI,X86]
2247 intel_pstate= [X86,EARLY]
2291 intremap= [X86-64,Intel-IOMMU,EARLY]
2305 iommu= [X86,EARLY]
2315 pt [X86]
2316 nopt [X86]
2320 iommu.forcedac= [ARM64,X86,EARLY] Control IOVA allocation for PCI devices.
2328 iommu.strict= [ARM64,X86,S390,EARLY] Configure TLB invalidation behaviour
2344 [ARM64,X86,EARLY] Configure DMA to bypass the IOMMU by default.
2354 io_delay= [X86,EARLY] I/O delay method
2482 ivrs_ioapic [HW,X86-64]
2500 ivrs_hpet [HW,X86-64]
2518 ivrs_acpihid [HW,X86-64]
2553 kernelcore= [KNL,X86,PPC,EARLY]
2656 [KVM,X86] Controls whether or not KVM will try to
2680 kvm.enable_virt_at_load=[KVM,ARM64,LOONGARCH,MIPS,RISCV,X86]
2842 l1d_flush= [X86,INTEL,EARLY]
2859 l1tf= [X86,EARLY] Control mitigation of the L1TF vulnerability on
2928 lapic [X86-32,APIC,EARLY] Enable the local APIC even if BIOS
2931 lapic= [X86,APIC] Do not use TSC deadline
2936 lapic_timer_c2_ok [X86,APIC,EARLY] trust the local apic timer
3254 mce [X86-32] Machine Check Exception
3256 mce=option [X86-64] See Documentation/arch/x86/x86_64/boot-options.rst
3265 mds= [X86,INTEL,EARLY]
3316 [X86] Work as limiting max address. Use together
3333 mem=nopentium [BUGS=X86-32] Disable usage of 4MB pages for kernel
3350 memmap=exactmap [KNL,X86,EARLY] Enable setting of an exact
3357 [KNL, X86,MIPS,XTENSA,EARLY] Force usage of a specific region of memory.
3382 [KNL,X86] Mark specific memory as protected.
3396 memory_corruption_check=0/1 [X86,EARLY]
3408 memory_corruption_check_size=size [X86,EARLY]
3414 memory_corruption_check_period=seconds [X86,EARLY]
3420 [KNL,X86,ARM] Boolean flag to enable this feature.
3438 memtest= [KNL,X86,ARM,M68K,PPC,RISCV,EARLY] Enable memtest
3448 mem_encrypt= [X86-64] AMD Secure Memory Encryption (SME) control
3463 mfgptfix [X86-32] Fix MFGPT timers on AMD Geode platforms when
3470 microcode.force_minrev= [X86]
3497 [X86,PPC,S390,ARM64,EARLY] Control optional mitigations for
3510 gather_data_sampling=off [X86]
3511 kvm.nx_huge_pages=off [X86]
3512 l1tf=off [X86]
3513 mds=off [X86]
3514 mmio_stale_data=off [X86]
3518 nopti [X86,PPC]
3520 nospectre_v1 [X86,PPC]
3521 nospectre_v2 [X86,PPC,S390,ARM64]
3522 reg_file_data_sampling=off [X86]
3523 retbleed=off [X86]
3524 spec_rstack_overflow=off [X86]
3525 spec_store_bypass_disable=off [X86,PPC]
3526 spectre_bhi=off [X86]
3527 spectre_v2_user=off [X86]
3528 srbds=off [X86,INTEL]
3530 tsx_async_abort=off [X86]
3549 Equivalent to: l1tf=flush,nosmt [X86]
3550 mds=full,nosmt [X86]
3551 tsx_async_abort=full,nosmt [X86]
3552 mmio_stale_data=full,nosmt [X86]
3553 retbleed=auto,nosmt [X86]
3564 [X86,INTEL,EARLY] Control mitigation for the Processor
3639 movablecore= [KNL,X86,PPC,EARLY]
3669 mtrr=debug [X86,EARLY]
3673 mtrr_chunk_size=nn[KMG,X86,EARLY]
3677 mtrr_gran_size=nn[KMG,X86,EARLY]
3683 mtrr_spare_reg_nr=n [X86,EARLY]
3849 nmi_watchdog= [KNL,BUGS=X86] Debugging features for SMP kernels
3867 no387 [BUGS=X86-32] Tells the kernel to use the 387 maths
3874 no5lvl [X86-64,RISCV,EARLY] Disable 5-level paging mode. Forces
3910 noexec32 [X86-64]
3923 nofsgsbase [X86] Disables FSGSBASE instructions.
3925 nofxsr [BUGS=X86-32] Disables x86 floating point extended
3955 nohugeiomap [KNL,X86,PPC,ARM64,EARLY] Disable kernel huge I/O mappings.
3957 nohugevmalloc [KNL,X86,PPC,ARM64,EARLY] Disable kernel huge vmalloc mappings.
3979 nointremap [X86-64,Intel-IOMMU,EARLY] Do not enable interrupt
3983 noinvpcid [X86,EARLY] Disable the INVPCID cpu feature.
3987 noirqdebug [X86-32] Disables the code which attempts to detect and
3997 no-kvmapf [X86,KVM,EARLY] Disable paravirtualized asynchronous page
4000 no-kvmclock [X86,KVM,EARLY] Disable paravirtualized KVM clock driver
4002 nolapic [X86-32,APIC,EARLY] Do not enable or use the local APIC.
4004 nolapic_timer [X86-32,APIC,EARLY] Do not use the local APIC timer.
4006 nomce [X86-32] Disable Machine Check Exception
4008 nomfgpt [X86-32] Disable Multi-Function General Purpose
4023 nonmi_ipi [X86] Disable using NMI IPIs during panic/reboot to
4027 nopat [X86,EARLY] Disable PAT (page attribute table extension of
4030 nopcid [X86-64,EARLY] Disable the PCID cpu feature.
4032 nopku [X86] Disable Memory Protection Keys CPU feature found
4035 nopti [X86-64,EARLY]
4038 nopv= [X86,XEN,KVM,HYPER_V,VMWARE,EARLY]
4043 nopvspin [X86,XEN,KVM,EARLY]
4051 noreplace-smp [X86-32,SMP] Don't replace SMP instructions
4061 nosgx [X86-64,SGX,EARLY] Disables Intel SGX kernel support.
4077 [KNL,X86,PPC] Disable symmetric multithreading (SMT).
4091 nospectre_v1 [X86,PPC,EARLY] Disable mitigations for Spectre Variant 1
4095 nospectre_v2 [X86,PPC_E500,ARM64,EARLY] Disable all mitigations
4100 no-steal-acc [X86,PV_OPS,ARM64,PPC/PSERIES,RISCV,LOONGARCH,EARLY]
4106 no_timer_check [X86,APIC] Disables the code which tests for
4124 [X86,PV_OPS,EARLY] Disable paravirtualized VMware
4132 nox2apic [X86-64,APIC,EARLY] Do not enable x2APIC mode.
4138 noxsave [BUGS=X86] Disables x86 extended register state save
4142 noxsaveopt [X86] Disables xsaveopt used in saving x86 extended
4149 noxsaves [X86] Disables xsaves and xrstors used in saving and
4168 numa=off [KNL, ARM64, PPC, RISCV, SPARC, X86, EARLY]
4173 [KNL, ARM64, RISCV, X86, EARLY]
4178 [KNL, ARM64, RISCV, X86, EARLY]
4183 [KNL, ARM64, RISCV, X86, EARLY]
4187 numa_balancing= [KNL,ARM64,PPC,RISCV,S390,X86] Enable or disable automatic
4445 off [X86] don't probe for the PCI bus
4446 bios [X86-32] force use of PCI BIOS, don't access
4449 nobios [X86-32] disallow use of PCI BIOS, only direct
4453 conf1 [X86] Force use of PCI Configuration Access
4456 conf2 [X86] Force use of PCI Configuration Access
4468 nommconf [X86] Disable use of MMCONFIG for PCI
4470 check_enable_amd_mmconf [X86] check for and enable
4487 biosirq [X86-32] Use PCI BIOS calls to get the interrupt
4495 rom [X86] Assign address space to expansion ROMs.
4499 norom [X86] Do not assign address space to
4502 nobar [X86] Do not assign address space to the
4504 irqmask=0xMMMM [X86] Set a bit mask of IRQs allowed to be
4508 pirqaddr=0xAAAAA [X86] Specify the physical address
4512 lastbus=N [X86] Scan all buses thru bus #N. Can be
4516 assign-busses [X86] Always assign all PCI bus
4519 usepirqmask [X86] Honor the possible IRQ mask stored
4525 noacpi [X86] Do not use ACPI for IRQ routing
4527 use_crs [X86] Use PCI host bridge window information
4531 nocrs [X86] Ignore PCI host bridge windows from ACPI.
4533 use_e820 [X86] Use E820 reservations to exclude parts of
4538 no_e820 [X86] Ignore E820 reservations for PCI host
4546 skip_isa_align [X86] do not align io start addr, so can
4548 noearly [X86] Don't do any early type 1 scanning.
4736 pmtmr= [X86] Manual setup of pmtmr I/O Port.
4784 possible_cpus= [SMP,S390,X86]
4907 pti= [X86-64] Control Page Table Isolation of user and
4962 cec_disable [X86]
5670 rdrand= [X86,EARLY]
5677 rdt= [HW,X86,RDT]
5788 reservetop= [X86-32,EARLY]
5817 retbleed= [X86] Control mitigation of RETBleed (Arbitrary
5949 schedstats= [KNL,X86] Enable or disable scheduled statistics.
6083 serialnumber [BUGS=X86-32]
6085 sev=option[,option...] [X86-64] See Documentation/arch/x86/x86_64/boot-options.rst
6090 show_lapic= [APIC,X86] Advanced Programmable Interrupt Controller
6209 spectre_bhi= [X86] Control mitigation of Branch History Injection
6224 spectre_v2= [X86,EARLY] Control mitigation of Spectre variant 2
6263 [X86] Control mitigation of Spectre variant 2
6304 [X86,EARLY] Control RAS overflow mitigation on AMD Zen CPUs
6353 X86: "prctl"
6367 [X86] Enable split lock detection or bus lock detection
6406 srbds= [X86,INTEL,EARLY]
6548 [X86]
6621 swiotlb= [ARM,PPC,MIPS,X86,S390,EARLY]
7003 tsc_early_khz= [X86,EARLY] Skip early TSC calibration and use the given
7009 tsx= [X86] Control Transactional Synchronization
7038 tsx_async_abort= [X86,INTEL,EARLY] Control mitigation for the TSX Async
7102 [X86] Cause panic on unknown NMI.
7104 unwind_debug [X86-64,EARLY]
7297 [X86,EARLY] Flags controlling user PTE allocations.
7303 vdso= [X86,SH,SPARC]
7309 vdso32= [X86] Control the 32-bit vDSO
7352 vga= [BOOT,X86-32] Select a particular video mode
7393 vsyscall= [X86-64,EARLY]
7563 x2apic_phys [X86-64,APIC,EARLY] Use x2apic physical mode instead of
7567 xen_512gb_limit [KNL,X86-64,XEN]
7574 xen_emul_unplug= [HW,X86,XEN,EARLY]
7586 xen_legacy_crash [X86,XEN,EARLY]
7590 xen_mc_debug [X86,XEN,EARLY]
7596 xen_msr_safe= [X86,XEN,EARLY]
7602 xen_nopv [X86]
7609 [KNL,X86,XEN,EARLY] Disable the vector callback for Xen
7618 xen_timer_slop= [X86-64,XEN,EARLY]