Lines Matching refs:X86
1 acpi= [HW,ACPI,X86,ARM64]
215 acpi_pm_good [X86]
253 add_efi_memmap [EFI; X86] Include EFI memory map in
270 align_va_addr= [X86-64]
301 amd_iommu= [HW,X86-64]
316 amd_iommu_dump= [HW,X86-64]
322 amd_iommu_intr= [HW,X86-64]
348 apic= [APIC,X86] Advanced Programmable Interrupt Controller
353 For X86-32, this can also be used to specify an APIC
358 apic_extnmi= [APIC,X86] External NMI delivery setting
370 show_lapic= [APIC,X86] Advanced Programmable Interrupt Controller
473 bgrt_disable [ACPI][X86]
488 cachesize= [BUGS=X86-32] Override level 2 CPU cache size detection.
569 clock= [BUGS=X86-32, HW] gettimeofday clocksource override.
586 [X86-32] pit,hpet,tsc;
593 [X86-64] hpet,tsc
625 clearcpuid=BITNUM[,BITNUM...] [X86]
768 [X86] Delay for N microsec between assert and de-assert
783 [KNL, X86-64] Select a region under 4G first, and
796 [KNL, X86-64] range could be above 4G. Allow kernel
803 [KNL, X86-64] range under 4G. When crashkernel=X,high
917 debugpat [X86] Enable PAT debugging
994 disable_cpu_apicid= [X86,APIC,SMP]
1010 disable_mtrr_cleanup [X86]
1015 disable_mtrr_trim [X86, Intel and AMD only]
1021 disable_timer_pin_1 [X86]
1025 dis_ucode_ldr [X86] Disable the microcode loader.
1077 dump_apple_properties [X86]
1088 nopku [X86] Disable Memory Protection Keys CPU feature found
1233 earlyprintk= [X86,SH,ARM,M68k,S390]
1285 ekgdboc= [X86,KGDB] Allow early kernel console debugging
1320 efi_no_storage_paranoia [EFI; X86]
1326 efi_fake_mem= nn[KMG]@ss[KMG]:aa[,nn[KMG]@ss[KMG]:aa,..] [EFI; X86]
1347 efivar_ssdt= [EFI; X86] Name of an EFI variable that contains an SSDT
1357 elanfreq= [X86-32]
1361 elfcorehdr=[size[KMG]@]offset[KMG] [IA64,PPC,SH,X86,S390]
1367 enable_mtrr_cleanup [X86]
1372 enable_timer_pin_1 [X86]
1422 forcepae [X86-32]
1504 gart_fix_e820= [X86-64] disable the fix e820 for K8 GART
1514 goldfish [X86] Enable the goldfish android emulator platform.
1578 hpet= [X86-32,HPET] option to control HPET usage
1586 hpet_mmap= [X86, HPET_MMAP] Allow userspace to mmap HPET
1649 hv_nopvspin [X86,HYPER_V] Disables the paravirt spinlock optimizations
1745 idle= [X86]
1936 init_pkru= [X86] Specify the default memory protection keys rights
1944 int_pln_enable [X86] Enable power limit notification interrupt
1984 intel_idle.max_cstate= [KNL,HW,ACPI,X86]
1988 intel_pstate= [X86]
2022 intremap= [X86-64, Intel-IOMMU]
2034 iommu= [X86]
2044 pt [X86]
2045 nopt [X86]
2049 iommu.forcedac= [ARM64, X86] Control IOVA allocation for PCI devices.
2057 iommu.strict= [ARM64, X86] Configure TLB invalidation behaviour
2073 [ARM64, X86] Configure DMA to bypass the IOMMU by default.
2083 io_delay= [X86] I/O delay method
2199 ivrs_ioapic [HW,X86-64]
2206 ivrs_hpet [HW,X86-64]
2213 ivrs_acpihid [HW,X86-64]
2236 kernelcore= [KNL,X86,IA-64,PPC]
2438 l1d_flush= [X86,INTEL]
2455 l1tf= [X86] Control mitigation of the L1TF vulnerability on
2524 lapic [X86-32,APIC] Enable the local APIC even if BIOS
2527 lapic= [X86,APIC] Do not use TSC deadline
2532 lapic_timer_c2_ok [X86,APIC] trust the local apic timer
2762 mce [X86-32] Machine Check Exception
2764 mce=option [X86-64] See Documentation/x86/x86_64/boot-options.rst
2773 mds= [X86,INTEL]
2813 [X86] Work as limiting max address. Use together
2822 mem=nopentium [BUGS=X86-32] Disable usage of 4MB pages for kernel
2837 memmap=exactmap [KNL,X86] Enable setting of an exact
2844 [KNL, X86, MIPS, XTENSA] Force usage of a specific region of memory.
2869 [KNL,X86] Mark specific memory as protected.
2883 memory_corruption_check=0/1 [X86]
2895 memory_corruption_check_size=size [X86]
2901 memory_corruption_check_period=seconds [X86]
2907 [KNL,X86,ARM] Boolean flag to enable this feature.
2927 memtest= [KNL,X86,ARM,PPC,RISCV] Enable memtest
2937 mem_encrypt= [X86-64] AMD Secure Memory Encryption (SME) control
2961 mfgptfix [X86-32] Fix MFGPT timers on AMD Geode platforms when
2993 [X86,PPC,S390,ARM64] Control optional mitigations for
3002 Equivalent to: nopti [X86,PPC]
3004 nospectre_v1 [X86,PPC]
3006 nospectre_v2 [X86,PPC,S390,ARM64]
3007 spectre_v2_user=off [X86]
3008 spec_store_bypass_disable=off [X86,PPC]
3010 l1tf=off [X86]
3011 mds=off [X86]
3012 tsx_async_abort=off [X86]
3013 kvm.nx_huge_pages=off [X86]
3034 Equivalent to: l1tf=flush,nosmt [X86]
3035 mds=full,nosmt [X86]
3036 tsx_async_abort=full,nosmt [X86]
3066 movablecore= [KNL,X86,IA-64,PPC]
3115 mtrr_chunk_size=nn[KMG] [X86]
3119 mtrr_gran_size=nn[KMG] [X86]
3125 mtrr_spare_reg_nr=n [X86]
3261 nmi_watchdog= [KNL,BUGS=X86] Debugging features for SMP kernels
3282 no387 [BUGS=X86-32] Tells the kernel to use the 387 maths
3286 no5lvl [X86-64] Disable 5-level paging mode. Forces
3289 nofsgsbase [X86] Disables FSGSBASE instructions.
3336 noclflush [BUGS=X86] Don't use the CLFLUSH instruction
3348 noexec [X86]
3349 On X86-32 available only on PAE configured kernels.
3353 nosmap [X86,PPC]
3357 nosmep [X86,PPC]
3361 noexec32 [X86-64]
3370 nofxsr [BUGS=X86-32] Disables x86 floating point extended
3374 nohugeiomap [KNL,X86,PPC,ARM64] Disable kernel huge I/O mappings.
3381 [KNL,X86] Disable symmetric multithreading (SMT).
3385 nospectre_v1 [X86,PPC] Disable mitigations for Spectre Variant 1
3389 nospectre_v2 [X86,PPC_FSL_BOOK3E,ARM64] Disable all mitigations for
3400 noxsave [BUGS=X86] Disables x86 extended register state save
3404 noxsaveopt [X86] Disables xsaveopt used in saving x86 extended
3411 noxsaves [X86] Disables xsaves and xrstors used in saving and
3472 noirqdebug [X86-32] Disables the code which attempts to detect and
3475 no_timer_check [X86,APIC] Disables the code which tests for
3483 nointremap [X86-64, Intel-IOMMU] Do not enable interrupt
3489 noinvpcid [X86] Disable the INVPCID cpu feature.
3493 no-kvmclock [X86,KVM] Disable paravirtualized KVM clock driver
3495 no-kvmapf [X86,KVM] Disable paravirtualized asynchronous page
3499 [X86,PV_OPS] Disable paravirtualized VMware scheduler
3502 no-steal-acc [X86,PV_OPS,ARM64] Disable paravirtualized steal time
3506 nolapic [X86-32,APIC] Do not enable or use the local APIC.
3508 nolapic_timer [X86-32,APIC] Do not use the local APIC timer.
3515 nomce [X86-32] Disable Machine Check Exception
3517 nomfgpt [X86-32] Disable Multi-Function General Purpose
3520 nonmi_ipi [X86] Disable using NMI IPIs during panic/reboot to
3526 nopat [X86] Disable PAT (page attribute table extension of
3529 nopcid [X86-64] Disable the PCID cpu feature.
3534 noreplace-smp [X86-32,SMP] Don't replace SMP instructions
3537 nordrand [X86] Disable kernel use of the RDRAND and
3551 nosep [BUGS=X86-32] Disables x86 SYSENTER/SYSEXIT support.
3553 nosgx [X86-64,SGX] Disables Intel SGX kernel support.
3567 nox2apic [X86-64,APIC] Do not enable x2APIC mode.
3569 cpu0_hotplug [X86] Turn on CPU0 hotplug feature when
3607 numa=off [KNL, ARM64, PPC, RISCV, SPARC, X86] Disable NUMA, Only
3610 numa_balancing= [KNL,ARM64,PPC,RISCV,S390,X86] Enable or disable automatic
3864 off [X86] don't probe for the PCI bus
3865 bios [X86-32] force use of PCI BIOS, don't access
3868 nobios [X86-32] disallow use of PCI BIOS, only direct
3872 conf1 [X86] Force use of PCI Configuration Access
3875 conf2 [X86] Force use of PCI Configuration Access
3887 nommconf [X86] Disable use of MMCONFIG for PCI
3889 check_enable_amd_mmconf [X86] check for and enable
3906 biosirq [X86-32] Use PCI BIOS calls to get the interrupt
3914 rom [X86] Assign address space to expansion ROMs.
3918 norom [X86] Do not assign address space to
3921 nobar [X86] Do not assign address space to the
3923 irqmask=0xMMMM [X86] Set a bit mask of IRQs allowed to be
3927 pirqaddr=0xAAAAA [X86] Specify the physical address
3931 lastbus=N [X86] Scan all buses thru bus #N. Can be
3935 assign-busses [X86] Always assign all PCI bus
3938 usepirqmask [X86] Honor the possible IRQ mask stored
3944 noacpi [X86] Do not use ACPI for IRQ routing
3946 use_crs [X86] Use PCI host bridge window information
3950 nocrs [X86] Ignore PCI host bridge windows from ACPI.
3956 skip_isa_align [X86] do not align io start addr, so can
3958 noearly [X86] Don't do any early type 1 scanning.
4119 pmtmr= [X86] Manual setup of pmtmr I/O Port.
4268 pti= [X86-64] Control Page Table Isolation of user and
4280 nopti [X86-64]
4318 cec_disable [X86]
4804 rdrand= [X86]
4811 rdt= [HW,X86,RDT]
4887 reservetop= [X86-32]
4990 schedstats= [KNL,X86] Enable or disable scheduled statistics.
5130 serialnumber [BUGS=X86-32]
5237 spectre_v2= [X86] Control mitigation of Spectre variant 2
5271 [X86] Control mitigation of Spectre variant 2
5351 X86: If CONFIG_SECCOMP=y "seccomp", otherwise "prctl"
5370 [X86] Enable split lock detection or bus lock detection
5409 srbds= [X86,INTEL]
5560 swiotlb= [ARM,IA-64,PPC,MIPS,X86]
5794 tsc_early_khz= [X86] Skip early TSC calibration and use the given
5800 tsx= [X86] Control Transactional Synchronization
5829 tsx_async_abort= [X86,INTEL] Control mitigation for the TSX Async
5893 [X86] Cause panic on unknown NMI.
6076 [X86] Flags controlling user PTE allocations.
6082 vdso= [X86,SH]
6088 vdso32= [X86] Control the 32-bit vDSO
6133 vga= [BOOT,X86-32] Select a particular video mode
6171 vsyscall= [X86-64]
6297 x2apic_phys [X86-64,APIC] Use x2apic physical mode instead of
6301 xen_512gb_limit [KNL,X86-64,XEN]
6308 xen_emul_unplug= [HW,X86,XEN]
6320 xen_legacy_crash [X86,XEN]
6324 xen_nopvspin [X86,XEN]
6329 xen_nopv [X86]
6336 [KNL,X86,XEN] Disable the vector callback for Xen
6345 xen_timer_slop= [X86-64,XEN]
6367 nopv= [X86,XEN,KVM,HYPER_V,VMWARE]
6372 nopvspin [X86,XEN,KVM]