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
845 [X86] Delay for N microsec between assert and de-assert
870 [KNL, X86-64, ARM64, RISCV] Select a region under 4G first, and
883 [KNL, X86-64, ARM64, RISCV] range could be above 4G.
890 [KNL, X86-64, ARM64, RISCV] range under 4G. When crashkernel=X,high
999 debugpat [X86] Enable PAT debugging
1080 disable_cpu_apicid= [X86,APIC,SMP]
1096 disable_mtrr_cleanup [X86]
1101 disable_mtrr_trim [X86, Intel and AMD only]
1107 disable_timer_pin_1 [X86]
1111 dis_ucode_ldr [X86] Disable the microcode loader.
1131 [X86] Controls mitigation for Register File Data
1186 dump_apple_properties [X86]
1338 earlyprintk= [X86,SH,ARM,M68k,S390]
1414 efi_no_storage_paranoia [EFI; X86]
1420 efi_fake_mem= nn[KMG]@ss[KMG]:aa[,nn[KMG]@ss[KMG]:aa,..] [EFI; X86]
1441 efivar_ssdt= [EFI; X86] Name of an EFI variable that contains an SSDT
1451 ekgdboc= [X86,KGDB] Allow early kernel console debugging
1462 elanfreq= [X86-32]
1466 elfcorehdr=[size[KMG]@]offset[KMG] [IA64,PPC,SH,X86,S390]
1472 enable_mtrr_cleanup [X86]
1477 enable_timer_pin_1 [X86]
1535 forcepae [X86-32]
1648 gart_fix_e820= [X86-64] disable the fix e820 for K8 GART
1653 [X86,INTEL] Control the Gather Data Sampling (GDS)
1678 goldfish [X86] Enable the goldfish android emulator platform.
1775 hpet= [X86-32,HPET] option to control HPET usage
1783 hpet_mmap= [X86, HPET_MMAP] Allow userspace to mmap HPET
1853 hv_nopvspin [X86,HYPER_V] Disables the paravirt spinlock optimizations
1914 idle= [X86]
2106 init_pkru= [X86] Specify the default memory protection keys rights
2114 int_pln_enable [X86] Enable power limit notification interrupt
2154 intel_idle.max_cstate= [KNL,HW,ACPI,X86]
2158 intel_pstate= [X86]
2202 intremap= [X86-64, Intel-IOMMU]
2214 iommu= [X86]
2224 pt [X86]
2225 nopt [X86]
2229 iommu.forcedac= [ARM64, X86] Control IOVA allocation for PCI devices.
2237 iommu.strict= [ARM64, X86] Configure TLB invalidation behaviour
2253 [ARM64, X86] Configure DMA to bypass the IOMMU by default.
2263 io_delay= [X86] I/O delay method
2379 ivrs_ioapic [HW,X86-64]
2397 ivrs_hpet [HW,X86-64]
2415 ivrs_acpihid [HW,X86-64]
2450 kernelcore= [KNL,X86,IA-64,PPC]
2553 [KVM,X86] Controls whether or not KVM will try to
2703 l1d_flush= [X86,INTEL]
2720 l1tf= [X86] Control mitigation of the L1TF vulnerability on
2789 lapic [X86-32,APIC] Enable the local APIC even if BIOS
2792 lapic= [X86,APIC] Do not use TSC deadline
2797 lapic_timer_c2_ok [X86,APIC] trust the local apic timer
3071 mce [X86-32] Machine Check Exception
3073 mce=option [X86-64] See Documentation/arch/x86/x86_64/boot-options.rst
3082 mds= [X86,INTEL]
3132 [X86] Work as limiting max address. Use together
3149 mem=nopentium [BUGS=X86-32] Disable usage of 4MB pages for kernel
3166 memmap=exactmap [KNL,X86] Enable setting of an exact
3173 [KNL, X86, MIPS, XTENSA] Force usage of a specific region of memory.
3198 [KNL,X86] Mark specific memory as protected.
3212 memory_corruption_check=0/1 [X86]
3224 memory_corruption_check_size=size [X86]
3230 memory_corruption_check_period=seconds [X86]
3236 [KNL,X86,ARM] Boolean flag to enable this feature.
3254 memtest= [KNL,X86,ARM,M68K,PPC,RISCV] Enable memtest
3264 mem_encrypt= [X86-64] AMD Secure Memory Encryption (SME) control
3286 mfgptfix [X86-32] Fix MFGPT timers on AMD Geode platforms when
3318 [X86,PPC,S390,ARM64] Control optional mitigations for
3331 gather_data_sampling=off [X86]
3332 kvm.nx_huge_pages=off [X86]
3333 l1tf=off [X86]
3334 mds=off [X86]
3335 mmio_stale_data=off [X86]
3339 nopti [X86,PPC]
3341 nospectre_v1 [X86,PPC]
3342 nospectre_v2 [X86,PPC,S390,ARM64]
3343 reg_file_data_sampling=off [X86]
3344 retbleed=off [X86]
3345 spec_store_bypass_disable=off [X86,PPC]
3346 spectre_bhi=off [X86]
3347 spectre_v2_user=off [X86]
3348 srbds=off [X86,INTEL]
3350 tsx_async_abort=off [X86]
3369 Equivalent to: l1tf=flush,nosmt [X86]
3370 mds=full,nosmt [X86]
3371 tsx_async_abort=full,nosmt [X86]
3372 mmio_stale_data=full,nosmt [X86]
3373 retbleed=auto,nosmt [X86]
3384 [X86,INTEL] Control mitigation for the Processor
3459 movablecore= [KNL,X86,IA-64,PPC]
3494 mtrr=debug [X86]
3498 mtrr_chunk_size=nn[KMG] [X86]
3502 mtrr_gran_size=nn[KMG] [X86]
3508 mtrr_spare_reg_nr=n [X86]
3667 nmi_watchdog= [KNL,BUGS=X86] Debugging features for SMP kernels
3683 no387 [BUGS=X86-32] Tells the kernel to use the 387 maths
3690 no5lvl [X86-64,RISCV] Disable 5-level paging mode. Forces
3735 noexec32 [X86-64]
3748 nofsgsbase [X86] Disables FSGSBASE instructions.
3750 nofxsr [BUGS=X86-32] Disables x86 floating point extended
3786 nohugeiomap [KNL,X86,PPC,ARM64] Disable kernel huge I/O mappings.
3788 nohugevmalloc [KNL,X86,PPC,ARM64] Disable kernel huge vmalloc mappings.
3810 nointremap [X86-64, Intel-IOMMU] Do not enable interrupt
3816 noinvpcid [X86] Disable the INVPCID cpu feature.
3820 noirqdebug [X86-32] Disables the code which attempts to detect and
3832 no-kvmapf [X86,KVM] Disable paravirtualized asynchronous page
3835 no-kvmclock [X86,KVM] Disable paravirtualized KVM clock driver
3837 nolapic [X86-32,APIC] Do not enable or use the local APIC.
3839 nolapic_timer [X86-32,APIC] Do not use the local APIC timer.
3843 nomce [X86-32] Disable Machine Check Exception
3845 nomfgpt [X86-32] Disable Multi-Function General Purpose
3860 nonmi_ipi [X86] Disable using NMI IPIs during panic/reboot to
3864 nopat [X86] Disable PAT (page attribute table extension of
3867 nopcid [X86-64] Disable the PCID cpu feature.
3869 nopku [X86] Disable Memory Protection Keys CPU feature found
3872 nopti [X86-64]
3875 nopv= [X86,XEN,KVM,HYPER_V,VMWARE]
3880 nopvspin [X86,XEN,KVM]
3888 noreplace-smp [X86-32,SMP] Don't replace SMP instructions
3900 nosgx [X86-64,SGX] Disables Intel SGX kernel support.
3916 [KNL,X86,PPC] Disable symmetric multithreading (SMT).
3929 nospectre_v1 [X86,PPC] Disable mitigations for Spectre Variant 1
3933 nospectre_v2 [X86,PPC_E500,ARM64] Disable all mitigations for
3938 no-steal-acc [X86,PV_OPS,ARM64,PPC/PSERIES] Disable paravirtualized
3944 no_timer_check [X86,APIC] Disables the code which tests for
3962 [X86,PV_OPS] Disable paravirtualized VMware scheduler
3970 nox2apic [X86-64,APIC] Do not enable x2APIC mode.
3976 noxsave [BUGS=X86] Disables x86 extended register state save
3980 noxsaveopt [X86] Disables xsaveopt used in saving x86 extended
3987 noxsaves [X86] Disables xsaves and xrstors used in saving and
4019 numa=off [KNL, ARM64, PPC, RISCV, SPARC, X86] Disable NUMA, Only
4022 numa_balancing= [KNL,ARM64,PPC,RISCV,S390,X86] Enable or disable automatic
4279 off [X86] don't probe for the PCI bus
4280 bios [X86-32] force use of PCI BIOS, don't access
4283 nobios [X86-32] disallow use of PCI BIOS, only direct
4287 conf1 [X86] Force use of PCI Configuration Access
4290 conf2 [X86] Force use of PCI Configuration Access
4302 nommconf [X86] Disable use of MMCONFIG for PCI
4304 check_enable_amd_mmconf [X86] check for and enable
4321 biosirq [X86-32] Use PCI BIOS calls to get the interrupt
4329 rom [X86] Assign address space to expansion ROMs.
4333 norom [X86] Do not assign address space to
4336 nobar [X86] Do not assign address space to the
4338 irqmask=0xMMMM [X86] Set a bit mask of IRQs allowed to be
4342 pirqaddr=0xAAAAA [X86] Specify the physical address
4346 lastbus=N [X86] Scan all buses thru bus #N. Can be
4350 assign-busses [X86] Always assign all PCI bus
4353 usepirqmask [X86] Honor the possible IRQ mask stored
4359 noacpi [X86] Do not use ACPI for IRQ routing
4361 use_crs [X86] Use PCI host bridge window information
4365 nocrs [X86] Ignore PCI host bridge windows from ACPI.
4367 use_e820 [X86] Use E820 reservations to exclude parts of
4372 no_e820 [X86] Ignore E820 reservations for PCI host
4380 skip_isa_align [X86] do not align io start addr, so can
4382 noearly [X86] Don't do any early type 1 scanning.
4536 pmtmr= [X86] Manual setup of pmtmr I/O Port.
4698 pti= [X86-64] Control Page Table Isolation of user and
4753 cec_disable [X86]
5419 rdrand= [X86]
5426 rdt= [HW,X86,RDT]
5502 reservetop= [X86-32]
5530 retbleed= [X86] Control mitigation of RETBleed (Arbitrary
5663 schedstats= [KNL,X86] Enable or disable scheduled statistics.
5796 serialnumber [BUGS=X86-32]
5798 sev=option[,option...] [X86-64] See Documentation/arch/x86/x86_64/boot-options.rst
5803 show_lapic= [APIC,X86] Advanced Programmable Interrupt Controller
5932 spectre_bhi= [X86] Control mitigation of Branch History Injection
5941 spectre_v2= [X86] Control mitigation of Spectre variant 2
5980 [X86] Control mitigation of Spectre variant 2
6021 [X86] Control RAS overflow mitigation on AMD Zen CPUs
6070 X86: "prctl"
6089 [X86] Enable split lock detection or bus lock detection
6128 srbds= [X86,INTEL]
6270 [X86]
6343 swiotlb= [ARM,IA-64,PPC,MIPS,X86]
6657 tsc_early_khz= [X86] Skip early TSC calibration and use the given
6663 tsx= [X86] Control Transactional Synchronization
6692 tsx_async_abort= [X86,INTEL] Control mitigation for the TSX Async
6756 [X86] Cause panic on unknown NMI.
6758 unwind_debug [X86-64]
6948 [X86] Flags controlling user PTE allocations.
6954 vdso= [X86,SH,SPARC]
6960 vdso32= [X86] Control the 32-bit vDSO
7006 vga= [BOOT,X86-32] Select a particular video mode
7044 vsyscall= [X86-64]
7198 x2apic_phys [X86-64,APIC] Use x2apic physical mode instead of
7202 xen_512gb_limit [KNL,X86-64,XEN]
7209 xen_emul_unplug= [HW,X86,XEN]
7221 xen_legacy_crash [X86,XEN]
7225 xen_msr_safe= [X86,XEN]
7231 xen_nopvspin [X86,XEN]
7236 xen_nopv [X86]
7243 [KNL,X86,XEN] Disable the vector callback for Xen
7252 xen_timer_slop= [X86-64,XEN]