Lines Matching refs:X86
1 acpi= [HW,ACPI,X86,ARM64]
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]
327 amd_iommu_dump= [HW,X86-64]
333 amd_iommu_intr= [HW,X86-64]
359 apic= [APIC,X86] Advanced Programmable Interrupt Controller
364 For X86-32, this can also be used to specify an APIC
369 apic_extnmi= [APIC,X86] External NMI delivery setting
473 bgrt_disable [ACPI][X86]
505 cachesize= [BUGS=X86-32] Override level 2 CPU cache size detection.
576 clearcpuid=X[,X...] [X86]
606 clock= [BUGS=X86-32, HW] gettimeofday clocksource override.
623 [X86-32] pit,hpet,tsc;
630 [X86-64] hpet,tsc
798 cpu0_hotplug [X86] Turn on CPU0 hotplug feature when
827 [X86] Delay for N microsec between assert and de-assert
846 [KNL, X86-64, ARM64] Select a region under 4G first, and
859 [KNL, X86-64, ARM64] range could be above 4G. Allow kernel
866 [KNL, X86-64, ARM64] range under 4G. When crashkernel=X,high
978 debugpat [X86] Enable PAT debugging
1059 disable_cpu_apicid= [X86,APIC,SMP]
1075 disable_mtrr_cleanup [X86]
1080 disable_mtrr_trim [X86, Intel and AMD only]
1086 disable_timer_pin_1 [X86]
1090 dis_ucode_ldr [X86] Disable the microcode loader.
1145 dump_apple_properties [X86]
1297 earlyprintk= [X86,SH,ARM,M68k,S390]
1373 efi_no_storage_paranoia [EFI; X86]
1379 efi_fake_mem= nn[KMG]@ss[KMG]:aa[,nn[KMG]@ss[KMG]:aa,..] [EFI; X86]
1400 efivar_ssdt= [EFI; X86] Name of an EFI variable that contains an SSDT
1410 ekgdboc= [X86,KGDB] Allow early kernel console debugging
1421 elanfreq= [X86-32]
1425 elfcorehdr=[size[KMG]@]offset[KMG] [IA64,PPC,SH,X86,S390]
1431 enable_mtrr_cleanup [X86]
1436 enable_timer_pin_1 [X86]
1494 forcepae [X86-32]
1593 gart_fix_e820= [X86-64] disable the fix e820 for K8 GART
1603 goldfish [X86] Enable the goldfish android emulator platform.
1700 hpet= [X86-32,HPET] option to control HPET usage
1708 hpet_mmap= [X86, HPET_MMAP] Allow userspace to mmap HPET
1778 hv_nopvspin [X86,HYPER_V] Disables the paravirt spinlock optimizations
1839 idle= [X86]
2031 init_pkru= [X86] Specify the default memory protection keys rights
2039 int_pln_enable [X86] Enable power limit notification interrupt
2079 intel_idle.max_cstate= [KNL,HW,ACPI,X86]
2083 intel_pstate= [X86]
2117 intremap= [X86-64, Intel-IOMMU]
2129 iommu= [X86]
2139 pt [X86]
2140 nopt [X86]
2144 iommu.forcedac= [ARM64, X86] Control IOVA allocation for PCI devices.
2152 iommu.strict= [ARM64, X86] Configure TLB invalidation behaviour
2168 [ARM64, X86] Configure DMA to bypass the IOMMU by default.
2178 io_delay= [X86] I/O delay method
2294 ivrs_ioapic [HW,X86-64]
2312 ivrs_hpet [HW,X86-64]
2330 ivrs_acpihid [HW,X86-64]
2365 kernelcore= [KNL,X86,IA-64,PPC]
2468 [KVM,X86] Controls whether or not KVM will try to
2613 l1d_flush= [X86,INTEL]
2630 l1tf= [X86] Control mitigation of the L1TF vulnerability on
2699 lapic [X86-32,APIC] Enable the local APIC even if BIOS
2702 lapic= [X86,APIC] Do not use TSC deadline
2707 lapic_timer_c2_ok [X86,APIC] trust the local apic timer
2977 mce [X86-32] Machine Check Exception
2979 mce=option [X86-64] See Documentation/x86/x86_64/boot-options.rst
2988 mds= [X86,INTEL]
3038 [X86] Work as limiting max address. Use together
3055 mem=nopentium [BUGS=X86-32] Disable usage of 4MB pages for kernel
3072 memmap=exactmap [KNL,X86] Enable setting of an exact
3079 [KNL, X86, MIPS, XTENSA] Force usage of a specific region of memory.
3104 [KNL,X86] Mark specific memory as protected.
3118 memory_corruption_check=0/1 [X86]
3130 memory_corruption_check_size=size [X86]
3136 memory_corruption_check_period=seconds [X86]
3142 [KNL,X86,ARM] Boolean flag to enable this feature.
3160 memtest= [KNL,X86,ARM,M68K,PPC,RISCV] Enable memtest
3170 mem_encrypt= [X86-64] AMD Secure Memory Encryption (SME) control
3194 mfgptfix [X86-32] Fix MFGPT timers on AMD Geode platforms when
3226 [X86,PPC,S390,ARM64] Control optional mitigations for
3235 Equivalent to: nopti [X86,PPC]
3237 nospectre_v1 [X86,PPC]
3239 nospectre_v2 [X86,PPC,S390,ARM64]
3240 spectre_v2_user=off [X86]
3241 spec_store_bypass_disable=off [X86,PPC]
3244 l1tf=off [X86]
3245 mds=off [X86]
3246 tsx_async_abort=off [X86]
3247 kvm.nx_huge_pages=off [X86]
3248 srbds=off [X86,INTEL]
3251 mmio_stale_data=off [X86]
3252 retbleed=off [X86]
3271 Equivalent to: l1tf=flush,nosmt [X86]
3272 mds=full,nosmt [X86]
3273 tsx_async_abort=full,nosmt [X86]
3274 mmio_stale_data=full,nosmt [X86]
3275 retbleed=auto,nosmt [X86]
3286 [X86,INTEL] Control mitigation for the Processor
3355 movablecore= [KNL,X86,IA-64,PPC]
3390 mtrr_chunk_size=nn[KMG] [X86]
3394 mtrr_gran_size=nn[KMG] [X86]
3400 mtrr_spare_reg_nr=n [X86]
3559 nmi_watchdog= [KNL,BUGS=X86] Debugging features for SMP kernels
3575 no387 [BUGS=X86-32] Tells the kernel to use the 387 maths
3579 no5lvl [X86-64] Disable 5-level paging mode. Forces
3582 nofsgsbase [X86] Disables FSGSBASE instructions.
3642 noexec32 [X86-64]
3651 nofxsr [BUGS=X86-32] Disables x86 floating point extended
3655 nohugeiomap [KNL,X86,PPC,ARM64] Disable kernel huge I/O mappings.
3657 nohugevmalloc [KNL,X86,PPC,ARM64] Disable kernel huge vmalloc mappings.
3662 [KNL,X86] Disable symmetric multithreading (SMT).
3666 nospectre_v1 [X86,PPC] Disable mitigations for Spectre Variant 1
3670 nospectre_v2 [X86,PPC_E500,ARM64] Disable all mitigations for
3685 noxsave [BUGS=X86] Disables x86 extended register state save
3689 noxsaveopt [X86] Disables xsaveopt used in saving x86 extended
3696 noxsaves [X86] Disables xsaves and xrstors used in saving and
3759 noirqdebug [X86-32] Disables the code which attempts to detect and
3762 no_timer_check [X86,APIC] Disables the code which tests for
3770 nointremap [X86-64, Intel-IOMMU] Do not enable interrupt
3776 noinvpcid [X86] Disable the INVPCID cpu feature.
3785 no-kvmclock [X86,KVM] Disable paravirtualized KVM clock driver
3787 no-kvmapf [X86,KVM] Disable paravirtualized asynchronous page
3791 [X86,PV_OPS] Disable paravirtualized VMware scheduler
3794 no-steal-acc [X86,PV_OPS,ARM64,PPC/PSERIES] Disable paravirtualized
3798 nolapic [X86-32,APIC] Do not enable or use the local APIC.
3800 nolapic_timer [X86-32,APIC] Do not use the local APIC timer.
3804 nomce [X86-32] Disable Machine Check Exception
3806 nomfgpt [X86-32] Disable Multi-Function General Purpose
3809 nonmi_ipi [X86] Disable using NMI IPIs during panic/reboot to
3825 nopat [X86] Disable PAT (page attribute table extension of
3828 nopcid [X86-64] Disable the PCID cpu feature.
3830 nopku [X86] Disable Memory Protection Keys CPU feature found
3833 nopv= [X86,XEN,KVM,HYPER_V,VMWARE]
3838 nopvspin [X86,XEN,KVM]
3846 noreplace-smp [X86-32,SMP] Don't replace SMP instructions
3858 nosgx [X86-64,SGX] Disables Intel SGX kernel support.
3872 nox2apic [X86-64,APIC] Do not enable x2APIC mode.
3902 numa=off [KNL, ARM64, PPC, RISCV, SPARC, X86] Disable NUMA, Only
3905 numa_balancing= [KNL,ARM64,PPC,RISCV,S390,X86] Enable or disable automatic
4162 off [X86] don't probe for the PCI bus
4163 bios [X86-32] force use of PCI BIOS, don't access
4166 nobios [X86-32] disallow use of PCI BIOS, only direct
4170 conf1 [X86] Force use of PCI Configuration Access
4173 conf2 [X86] Force use of PCI Configuration Access
4185 nommconf [X86] Disable use of MMCONFIG for PCI
4187 check_enable_amd_mmconf [X86] check for and enable
4204 biosirq [X86-32] Use PCI BIOS calls to get the interrupt
4212 rom [X86] Assign address space to expansion ROMs.
4216 norom [X86] Do not assign address space to
4219 nobar [X86] Do not assign address space to the
4221 irqmask=0xMMMM [X86] Set a bit mask of IRQs allowed to be
4225 pirqaddr=0xAAAAA [X86] Specify the physical address
4229 lastbus=N [X86] Scan all buses thru bus #N. Can be
4233 assign-busses [X86] Always assign all PCI bus
4236 usepirqmask [X86] Honor the possible IRQ mask stored
4242 noacpi [X86] Do not use ACPI for IRQ routing
4244 use_crs [X86] Use PCI host bridge window information
4248 nocrs [X86] Ignore PCI host bridge windows from ACPI.
4250 use_e820 [X86] Use E820 reservations to exclude parts of
4255 no_e820 [X86] Ignore E820 reservations for PCI host
4263 skip_isa_align [X86] do not align io start addr, so can
4265 noearly [X86] Don't do any early type 1 scanning.
4419 pmtmr= [X86] Manual setup of pmtmr I/O Port.
4573 pti= [X86-64] Control Page Table Isolation of user and
4585 nopti [X86-64]
4631 cec_disable [X86]
5231 rdrand= [X86]
5238 rdt= [HW,X86,RDT]
5314 reservetop= [X86-32]
5342 retbleed= [X86] Control mitigation of RETBleed (Arbitrary
5459 schedstats= [KNL,X86] Enable or disable scheduled statistics.
5592 serialnumber [BUGS=X86-32]
5594 sev=option[,option...] [X86-64] See Documentation/x86/x86_64/boot-options.rst
5599 show_lapic= [APIC,X86] Advanced Programmable Interrupt Controller
5721 spectre_v2= [X86] Control mitigation of Spectre variant 2
5760 [X86] Control mitigation of Spectre variant 2
5839 X86: "prctl"
5858 [X86] Enable split lock detection or bus lock detection
5897 srbds= [X86,INTEL]
6039 [X86]
6112 swiotlb= [ARM,IA-64,PPC,MIPS,X86]
6432 tsc_early_khz= [X86] Skip early TSC calibration and use the given
6438 tsx= [X86] Control Transactional Synchronization
6467 tsx_async_abort= [X86,INTEL] Control mitigation for the TSX Async
6531 [X86] Cause panic on unknown NMI.
6714 [X86] Flags controlling user PTE allocations.
6720 vdso= [X86,SH,SPARC]
6726 vdso32= [X86] Control the 32-bit vDSO
6772 vga= [BOOT,X86-32] Select a particular video mode
6810 vsyscall= [X86-64]
6936 x2apic_phys [X86-64,APIC] Use x2apic physical mode instead of
6940 xen_512gb_limit [KNL,X86-64,XEN]
6947 xen_emul_unplug= [HW,X86,XEN]
6959 xen_legacy_crash [X86,XEN]
6963 xen_msr_safe= [X86,XEN]
6969 xen_nopvspin [X86,XEN]
6974 xen_nopv [X86]
6981 [KNL,X86,XEN] Disable the vector callback for Xen
6990 xen_timer_slop= [X86-64,XEN]
7062 amd_pstate= [X86]