Lines Matching refs:X86
1 acpi= [HW,ACPI,X86,ARM64,RISCV64]
215 acpi_pm_good [X86]
262 add_efi_memmap [EFI; X86] Include EFI memory map in
279 align_va_addr= [X86-64]
310 amd_iommu= [HW,X86-64]
328 amd_iommu_dump= [HW,X86-64]
334 amd_iommu_intr= [HW,X86-64]
343 amd_pstate= [X86]
383 apic= [APIC,X86] Advanced Programmable Interrupt Controller
388 For X86-32, this can also be used to specify an APIC
393 apic_extnmi= [APIC,X86] External NMI delivery setting
500 bgrt_disable [ACPI][X86]
532 cachesize= [BUGS=X86-32] Override level 2 CPU cache size detection.
603 clearcpuid=X[,X...] [X86]
633 clock= [BUGS=X86-32, HW] gettimeofday clocksource override.
650 [X86-32] pit,hpet,tsc;
657 [X86-64] hpet,tsc
851 [X86] Delay for N microsec between assert and de-assert
876 [KNL, X86-64, ARM64, RISCV] Select a region under 4G first, and
889 [KNL, X86-64, ARM64, RISCV] range could be above 4G.
896 [KNL, X86-64, ARM64, RISCV] range under 4G. When crashkernel=X,high
1005 debugpat [X86] Enable PAT debugging
1086 disable_cpu_apicid= [X86,APIC,SMP]
1102 disable_mtrr_cleanup [X86]
1107 disable_mtrr_trim [X86, Intel and AMD only]
1113 disable_timer_pin_1 [X86]
1117 dis_ucode_ldr [X86] Disable the microcode loader.
1172 dump_apple_properties [X86]
1324 earlyprintk= [X86,SH,ARM,M68k,S390]
1400 efi_no_storage_paranoia [EFI; X86]
1406 efi_fake_mem= nn[KMG]@ss[KMG]:aa[,nn[KMG]@ss[KMG]:aa,..] [EFI; X86]
1427 efivar_ssdt= [EFI; X86] Name of an EFI variable that contains an SSDT
1437 ekgdboc= [X86,KGDB] Allow early kernel console debugging
1448 elanfreq= [X86-32]
1452 elfcorehdr=[size[KMG]@]offset[KMG] [IA64,PPC,SH,X86,S390]
1458 enable_mtrr_cleanup [X86]
1463 enable_timer_pin_1 [X86]
1521 forcepae [X86-32]
1634 gart_fix_e820= [X86-64] disable the fix e820 for K8 GART
1639 [X86,INTEL] Control the Gather Data Sampling (GDS)
1664 goldfish [X86] Enable the goldfish android emulator platform.
1761 hpet= [X86-32,HPET] option to control HPET usage
1769 hpet_mmap= [X86, HPET_MMAP] Allow userspace to mmap HPET
1839 hv_nopvspin [X86,HYPER_V] Disables the paravirt spinlock optimizations
1900 idle= [X86]
2092 init_pkru= [X86] Specify the default memory protection keys rights
2100 int_pln_enable [X86] Enable power limit notification interrupt
2140 intel_idle.max_cstate= [KNL,HW,ACPI,X86]
2144 intel_pstate= [X86]
2188 intremap= [X86-64, Intel-IOMMU]
2200 iommu= [X86]
2210 pt [X86]
2211 nopt [X86]
2215 iommu.forcedac= [ARM64, X86] Control IOVA allocation for PCI devices.
2223 iommu.strict= [ARM64, X86] Configure TLB invalidation behaviour
2239 [ARM64, X86] Configure DMA to bypass the IOMMU by default.
2249 io_delay= [X86] I/O delay method
2365 ivrs_ioapic [HW,X86-64]
2383 ivrs_hpet [HW,X86-64]
2401 ivrs_acpihid [HW,X86-64]
2436 kernelcore= [KNL,X86,IA-64,PPC]
2539 [KVM,X86] Controls whether or not KVM will try to
2689 l1d_flush= [X86,INTEL]
2706 l1tf= [X86] Control mitigation of the L1TF vulnerability on
2775 lapic [X86-32,APIC] Enable the local APIC even if BIOS
2778 lapic= [X86,APIC] Do not use TSC deadline
2783 lapic_timer_c2_ok [X86,APIC] trust the local apic timer
3057 mce [X86-32] Machine Check Exception
3059 mce=option [X86-64] See Documentation/arch/x86/x86_64/boot-options.rst
3068 mds= [X86,INTEL]
3118 [X86] Work as limiting max address. Use together
3135 mem=nopentium [BUGS=X86-32] Disable usage of 4MB pages for kernel
3152 memmap=exactmap [KNL,X86] Enable setting of an exact
3159 [KNL, X86, MIPS, XTENSA] Force usage of a specific region of memory.
3184 [KNL,X86] Mark specific memory as protected.
3198 memory_corruption_check=0/1 [X86]
3210 memory_corruption_check_size=size [X86]
3216 memory_corruption_check_period=seconds [X86]
3222 [KNL,X86,ARM] Boolean flag to enable this feature.
3240 memtest= [KNL,X86,ARM,M68K,PPC,RISCV] Enable memtest
3250 mem_encrypt= [X86-64] AMD Secure Memory Encryption (SME) control
3271 mfgptfix [X86-32] Fix MFGPT timers on AMD Geode platforms when
3303 [X86,PPC,S390,ARM64] Control optional mitigations for
3313 gather_data_sampling=off [X86]
3314 kvm.nx_huge_pages=off [X86]
3315 l1tf=off [X86]
3316 mds=off [X86]
3317 mmio_stale_data=off [X86]
3321 nopti [X86,PPC]
3323 nospectre_v1 [X86,PPC]
3324 nospectre_v2 [X86,PPC,S390,ARM64]
3325 retbleed=off [X86]
3326 spec_store_bypass_disable=off [X86,PPC]
3327 spectre_v2_user=off [X86]
3328 srbds=off [X86,INTEL]
3330 tsx_async_abort=off [X86]
3349 Equivalent to: l1tf=flush,nosmt [X86]
3350 mds=full,nosmt [X86]
3351 tsx_async_abort=full,nosmt [X86]
3352 mmio_stale_data=full,nosmt [X86]
3353 retbleed=auto,nosmt [X86]
3364 [X86,INTEL] Control mitigation for the Processor
3439 movablecore= [KNL,X86,IA-64,PPC]
3474 mtrr=debug [X86]
3478 mtrr_chunk_size=nn[KMG] [X86]
3482 mtrr_gran_size=nn[KMG] [X86]
3488 mtrr_spare_reg_nr=n [X86]
3647 nmi_watchdog= [KNL,BUGS=X86] Debugging features for SMP kernels
3663 no387 [BUGS=X86-32] Tells the kernel to use the 387 maths
3670 no5lvl [X86-64,RISCV] Disable 5-level paging mode. Forces
3715 noexec32 [X86-64]
3728 nofsgsbase [X86] Disables FSGSBASE instructions.
3730 nofxsr [BUGS=X86-32] Disables x86 floating point extended
3766 nohugeiomap [KNL,X86,PPC,ARM64] Disable kernel huge I/O mappings.
3768 nohugevmalloc [KNL,X86,PPC,ARM64] Disable kernel huge vmalloc mappings.
3790 nointremap [X86-64, Intel-IOMMU] Do not enable interrupt
3796 noinvpcid [X86] Disable the INVPCID cpu feature.
3800 noirqdebug [X86-32] Disables the code which attempts to detect and
3812 no-kvmapf [X86,KVM] Disable paravirtualized asynchronous page
3815 no-kvmclock [X86,KVM] Disable paravirtualized KVM clock driver
3817 nolapic [X86-32,APIC] Do not enable or use the local APIC.
3819 nolapic_timer [X86-32,APIC] Do not use the local APIC timer.
3823 nomce [X86-32] Disable Machine Check Exception
3825 nomfgpt [X86-32] Disable Multi-Function General Purpose
3840 nonmi_ipi [X86] Disable using NMI IPIs during panic/reboot to
3844 nopat [X86] Disable PAT (page attribute table extension of
3847 nopcid [X86-64] Disable the PCID cpu feature.
3849 nopku [X86] Disable Memory Protection Keys CPU feature found
3852 nopti [X86-64]
3855 nopv= [X86,XEN,KVM,HYPER_V,VMWARE]
3860 nopvspin [X86,XEN,KVM]
3868 noreplace-smp [X86-32,SMP] Don't replace SMP instructions
3880 nosgx [X86-64,SGX] Disables Intel SGX kernel support.
3896 [KNL,X86,PPC] Disable symmetric multithreading (SMT).
3909 nospectre_v1 [X86,PPC] Disable mitigations for Spectre Variant 1
3913 nospectre_v2 [X86,PPC_E500,ARM64] Disable all mitigations for
3918 no-steal-acc [X86,PV_OPS,ARM64,PPC/PSERIES] Disable paravirtualized
3924 no_timer_check [X86,APIC] Disables the code which tests for
3942 [X86,PV_OPS] Disable paravirtualized VMware scheduler
3950 nox2apic [X86-64,APIC] Do not enable x2APIC mode.
3956 noxsave [BUGS=X86] Disables x86 extended register state save
3960 noxsaveopt [X86] Disables xsaveopt used in saving x86 extended
3967 noxsaves [X86] Disables xsaves and xrstors used in saving and
3999 numa=off [KNL, ARM64, PPC, RISCV, SPARC, X86] Disable NUMA, Only
4002 numa_balancing= [KNL,ARM64,PPC,RISCV,S390,X86] Enable or disable automatic
4259 off [X86] don't probe for the PCI bus
4260 bios [X86-32] force use of PCI BIOS, don't access
4263 nobios [X86-32] disallow use of PCI BIOS, only direct
4267 conf1 [X86] Force use of PCI Configuration Access
4270 conf2 [X86] Force use of PCI Configuration Access
4282 nommconf [X86] Disable use of MMCONFIG for PCI
4284 check_enable_amd_mmconf [X86] check for and enable
4301 biosirq [X86-32] Use PCI BIOS calls to get the interrupt
4309 rom [X86] Assign address space to expansion ROMs.
4313 norom [X86] Do not assign address space to
4316 nobar [X86] Do not assign address space to the
4318 irqmask=0xMMMM [X86] Set a bit mask of IRQs allowed to be
4322 pirqaddr=0xAAAAA [X86] Specify the physical address
4326 lastbus=N [X86] Scan all buses thru bus #N. Can be
4330 assign-busses [X86] Always assign all PCI bus
4333 usepirqmask [X86] Honor the possible IRQ mask stored
4339 noacpi [X86] Do not use ACPI for IRQ routing
4341 use_crs [X86] Use PCI host bridge window information
4345 nocrs [X86] Ignore PCI host bridge windows from ACPI.
4347 use_e820 [X86] Use E820 reservations to exclude parts of
4352 no_e820 [X86] Ignore E820 reservations for PCI host
4360 skip_isa_align [X86] do not align io start addr, so can
4362 noearly [X86] Don't do any early type 1 scanning.
4516 pmtmr= [X86] Manual setup of pmtmr I/O Port.
4670 pti= [X86-64] Control Page Table Isolation of user and
4725 cec_disable [X86]
5391 rdrand= [X86]
5398 rdt= [HW,X86,RDT]
5474 reservetop= [X86-32]
5502 retbleed= [X86] Control mitigation of RETBleed (Arbitrary
5635 schedstats= [KNL,X86] Enable or disable scheduled statistics.
5768 serialnumber [BUGS=X86-32]
5770 sev=option[,option...] [X86-64] See Documentation/arch/x86/x86_64/boot-options.rst
5775 show_lapic= [APIC,X86] Advanced Programmable Interrupt Controller
5897 spectre_v2= [X86] Control mitigation of Spectre variant 2
5936 [X86] Control mitigation of Spectre variant 2
5977 [X86] Control RAS overflow mitigation on AMD Zen CPUs
6026 X86: "prctl"
6045 [X86] Enable split lock detection or bus lock detection
6084 srbds= [X86,INTEL]
6226 [X86]
6299 swiotlb= [ARM,IA-64,PPC,MIPS,X86]
6613 tsc_early_khz= [X86] Skip early TSC calibration and use the given
6619 tsx= [X86] Control Transactional Synchronization
6648 tsx_async_abort= [X86,INTEL] Control mitigation for the TSX Async
6712 [X86] Cause panic on unknown NMI.
6714 unwind_debug [X86-64]
6901 [X86] Flags controlling user PTE allocations.
6907 vdso= [X86,SH,SPARC]
6913 vdso32= [X86] Control the 32-bit vDSO
6959 vga= [BOOT,X86-32] Select a particular video mode
6997 vsyscall= [X86-64]
7151 x2apic_phys [X86-64,APIC] Use x2apic physical mode instead of
7155 xen_512gb_limit [KNL,X86-64,XEN]
7162 xen_emul_unplug= [HW,X86,XEN]
7174 xen_legacy_crash [X86,XEN]
7178 xen_msr_safe= [X86,XEN]
7184 xen_nopvspin [X86,XEN]
7189 xen_nopv [X86]
7196 [KNL,X86,XEN] Disable the vector callback for Xen
7205 xen_timer_slop= [X86-64,XEN]