Lines Matching refs:X86
84 X86-32 X86-32, aka i386 architecture is enabled.
85 X86-64 X86-64 architecture is enabled.
86 X86 Either 32-bit or 64-bit x86 (same as X86-32+X86-64)
111 acpi= [HW,ACPI,X86,ARM64,RISCV64,EARLY]
335 acpi_pm_good [X86]
382 add_efi_memmap [EFI,X86,EARLY] Include EFI memory map in
399 align_va_addr= [X86-64]
430 amd_iommu= [HW,X86-64]
453 amd_iommu_dump= [HW,X86-64]
459 amd_iommu_intr= [HW,X86-64]
468 amd_pstate= [X86,EARLY]
492 [X86]
513 apic [APIC,X86-64] Use IO-APIC. Default.
515 apic= [APIC,X86,EARLY] Advanced Programmable Interrupt Controller
521 apic_extnmi= [APIC,X86,EARLY] External NMI delivery setting
653 bgrt_disable [ACPI,X86,EARLY]
686 cachesize= [BUGS=X86-32] Override level 2 CPU cache size detection.
712 cfi= [X86-64] Set Control Flow Integrity checking features
795 clearcpuid=X[,X...] [X86]
825 clock= [BUGS=X86-32, HW] gettimeofday clocksource override.
842 [X86-32] pit,hpet,tsc;
849 [X86-64] hpet,tsc
1056 [X86,EARLY] Delay for N microsec between assert and de-assert
1085 [KNL, X86-64, ARM64, RISCV, LoongArch] Select a region
1098 [KNL, X86-64, ARM64, RISCV, LoongArch] range could be
1106 [KNL, X86-64, ARM64, RISCV, LoongArch] range under 4G.
1125 [KNL, X86, ppc] Reserve additional crash kernel memory from
1234 debugpat [X86] Enable PAT debugging
1322 disable_mtrr_cleanup [X86,EARLY]
1327 disable_mtrr_trim [X86, Intel and AMD only,EARLY]
1333 disable_timer_pin_1 [X86,EARLY]
1337 dis_ucode_ldr [X86] Disable the microcode loader.
1357 [X86] Controls mitigation for Register File Data
1413 dump_apple_properties [X86]
1565 earlyprintk= [X86,SH,ARM,M68k,S390,UM,EARLY]
1648 efi_no_storage_paranoia [EFI,X86,EARLY]
1654 efivar_ssdt= [EFI; X86] Name of an EFI variable that contains an SSDT
1664 ekgdboc= [X86,KGDB,EARLY] Allow early kernel console debugging
1675 elanfreq= [X86-32]
1679 elfcorehdr=[size[KMG]@]offset[KMG] [PPC,SH,X86,S390,EARLY]
1685 enable_mtrr_cleanup [X86,EARLY]
1690 enable_timer_pin_1 [X86]
1743 forcepae [X86-32]
1750 fred= [X86-64]
1878 gart_fix_e820= [X86-64,EARLY] disable the fix e820 for K8 GART
1883 [X86,INTEL,EARLY] Control the Gather Data Sampling (GDS)
1902 gbpages [X86] Use GB pages for kernel direct mappings.
1910 goldfish [X86] Enable the goldfish android emulator platform.
2059 hpet= [X86-32,HPET] option to control HPET usage
2067 hpet_mmap= [X86, HPET_MMAP] Allow userspace to mmap HPET
2159 hv_nopvspin [X86,HYPER_V,EARLY]
2176 i2c_touchscreen_props= [HW,ACPI,X86]
2245 ia32_emulation= [X86-64]
2255 idle= [X86,EARLY]
2420 indirect_target_selection= [X86,Intel] Mitigation control for Indirect
2480 init_pkru= [X86] Specify the default memory protection keys rights
2488 int_pln_enable [X86] Enable power limit notification interrupt
2528 intel_idle.max_cstate= [KNL,HW,ACPI,X86]
2532 intel_pstate= [X86,EARLY]
2579 intremap= [X86-64,Intel-IOMMU,EARLY]
2593 iommu= [X86,EARLY]
2618 [X86]
2620 [X86]
2626 [X86]
2661 iommu.forcedac= [ARM64,X86,EARLY] Control IOVA allocation for PCI devices.
2669 iommu.strict= [ARM64,X86,S390,EARLY] Configure TLB invalidation behaviour
2685 [ARM64,X86,EARLY] Configure DMA to bypass the IOMMU by default.
2704 io_delay= [X86,EARLY] I/O delay method
2846 ivrs_ioapic [HW,X86-64]
2864 ivrs_hpet [HW,X86-64]
2882 ivrs_acpihid [HW,X86-64]
2917 kernelcore= [KNL,X86,PPC,EARLY]
3080 [KVM,X86] Controls whether or not KVM will try to
3104 kvm.enable_pmu=[KVM,X86]
3124 kvm.enable_virt_at_load=[KVM,ARM64,LOONGARCH,MIPS,RISCV,X86]
3340 l1d_flush= [X86,INTEL,EARLY]
3357 l1tf= [X86,EARLY] Control mitigation of the L1TF vulnerability on
3426 lapic [X86-32,APIC,EARLY] Enable the local APIC even if BIOS
3429 lapic= [X86,APIC] Do not use TSC deadline
3434 lapic_timer_c2_ok [X86,APIC,EARLY] trust the local apic timer
3762 mce= [X86-{32,64}]
3841 mds= [X86,INTEL,EARLY]
3892 [X86] Work as limiting max address. Use together
3909 mem=nopentium [BUGS=X86-32] Disable usage of 4MB pages for kernel
3926 memmap=exactmap [KNL,X86,EARLY] Enable setting of an exact
3933 [KNL, X86,MIPS,XTENSA,EARLY] Force usage of a specific region of memory.
3958 [KNL,X86] Mark specific memory as protected.
3972 memory_corruption_check=0/1 [X86,EARLY]
3984 memory_corruption_check_size=size [X86,EARLY]
3990 memory_corruption_check_period=seconds [X86,EARLY]
3996 [KNL,X86,ARM] Boolean flag to enable this feature.
4014 memtest= [KNL,X86,ARM,M68K,PPC,RISCV,EARLY] Enable memtest
4024 mem_encrypt= [X86-64] AMD Secure Memory Encryption (SME) control
4039 mfgptfix [X86-32] Fix MFGPT timers on AMD Geode platforms when
4046 microcode= [X86] Control the behavior of the microcode loader.
4081 [X86,PPC,S390,ARM64,EARLY] Control optional mitigations for
4094 gather_data_sampling=off [X86]
4095 indirect_target_selection=off [X86]
4096 kvm.nx_huge_pages=off [X86]
4097 l1tf=off [X86]
4098 mds=off [X86]
4099 mmio_stale_data=off [X86]
4103 nopti [X86,PPC]
4105 nospectre_v1 [X86,PPC]
4106 nospectre_v2 [X86,PPC,S390,ARM64]
4107 reg_file_data_sampling=off [X86]
4108 retbleed=off [X86]
4109 spec_rstack_overflow=off [X86]
4110 spec_store_bypass_disable=off [X86,PPC]
4111 spectre_bhi=off [X86]
4112 spectre_v2_user=off [X86]
4113 srbds=off [X86,INTEL]
4115 tsa=off [X86,AMD]
4116 tsx_async_abort=off [X86]
4117 vmscape=off [X86]
4136 Equivalent to: l1tf=flush,nosmt [X86]
4137 mds=full,nosmt [X86]
4138 tsx_async_abort=full,nosmt [X86]
4139 mmio_stale_data=full,nosmt [X86]
4140 retbleed=auto,nosmt [X86]
4142 [X86] After one of the above options, additionally
4155 [X86,INTEL,EARLY] Control mitigation for the Processor
4230 movablecore= [KNL,X86,PPC,EARLY]
4260 mtrr=debug [X86,EARLY]
4264 mtrr_chunk_size=nn[KMG,X86,EARLY]
4268 mtrr_gran_size=nn[KMG,X86,EARLY]
4274 mtrr_spare_reg_nr=n [X86,EARLY]
4440 nmi_watchdog= [KNL,BUGS=X86] Debugging features for SMP kernels
4458 no387 [BUGS=X86-32] Tells the kernel to use the 387 maths
4465 no5lvl [X86-64,RISCV,EARLY] Disable 5-level paging mode. Forces
4473 noapictimer [APIC,X86] Don't set up the APIC timer
4503 noexec32 [X86-64]
4516 nofsgsbase [X86] Disables FSGSBASE instructions.
4518 nofxsr [BUGS=X86-32] Disables x86 floating point extended
4522 nogbpages [X86] Do not use GB pages for kernel direct mappings.
4539 nohpet [X86] Don't use the HPET timer.
4541 nohugeiomap [KNL,X86,PPC,ARM64,EARLY] Disable kernel huge I/O mappings.
4543 nohugevmalloc [KNL,X86,PPC,ARM64,EARLY] Disable kernel huge vmalloc mappings.
4567 nointremap [X86-64,Intel-IOMMU,EARLY] Do not enable interrupt
4571 noinvpcid [X86,EARLY] Disable the INVPCID cpu feature.
4575 noirqdebug [X86-32] Disables the code which attempts to detect and
4585 no-kvmapf [X86,KVM,EARLY] Disable paravirtualized asynchronous page
4588 no-kvmclock [X86,KVM,EARLY] Disable paravirtualized KVM clock driver
4590 nolapic [X86-32,APIC,EARLY] Do not enable or use the local APIC.
4592 nolapic_timer [X86-32,APIC,EARLY] Do not use the local APIC timer.
4594 nomce [X86-32] Disable Machine Check Exception
4596 nomfgpt [X86-32] Disable Multi-Function General Purpose
4611 nonmi_ipi [X86] Disable using NMI IPIs during panic/reboot to
4615 nopat [X86,EARLY] Disable PAT (page attribute table extension of
4618 nopcid [X86-64,EARLY] Disable the PCID cpu feature.
4620 nopku [X86] Disable Memory Protection Keys CPU feature found
4623 nopti [X86-64,EARLY]
4626 nopv= [X86,XEN,KVM,HYPER_V,VMWARE,EARLY]
4631 nopvspin [X86,XEN,KVM,EARLY]
4639 noreplace-smp [X86-32,SMP] Don't replace SMP instructions
4649 nosgx [X86-64,SGX,EARLY] Disables Intel SGX kernel support.
4665 [KNL,LOONGARCH,X86,PPC,S390] Disable symmetric multithreading (SMT).
4679 nospectre_v1 [X86,PPC,EARLY] Disable mitigations for Spectre Variant 1
4683 nospectre_v2 [X86,PPC_E500,ARM64,EARLY] Disable all mitigations
4688 no-steal-acc [X86,PV_OPS,ARM64,PPC/PSERIES,RISCV,LOONGARCH,EARLY]
4694 no_timer_check [X86,APIC] Disables the code which tests for broken
4714 [X86,PV_OPS,EARLY] Disable paravirtualized VMware
4722 nox2apic [X86-64,APIC,EARLY] Do not enable x2APIC mode.
4728 noxsave [BUGS=X86] Disables x86 extended register state save
4732 noxsaveopt [X86] Disables xsaveopt used in saving x86 extended
4739 noxsaves [X86] Disables xsaves and xrstors used in saving and
4758 numa=off [KNL, ARM64, PPC, RISCV, SPARC, X86, EARLY]
4763 [KNL, ARM64, RISCV, X86, EARLY]
4768 [KNL, ARM64, RISCV, X86, EARLY]
4773 [KNL, ARM64, RISCV, X86, EARLY]
4777 numa=noacpi [X86] Don't parse the SRAT table for NUMA setup
4779 numa=nohmat [X86] Don't parse the HMAT table for NUMA setup, or
4782 numa_balancing= [KNL,ARM64,PPC,RISCV,S390,X86] Enable or disable automatic
5086 off [X86] don't probe for the PCI bus
5087 bios [X86-32] force use of PCI BIOS, don't access
5090 nobios [X86-32] disallow use of PCI BIOS, only direct
5094 conf1 [X86] Force use of PCI Configuration Access
5097 conf2 [X86] Force use of PCI Configuration Access
5109 nommconf [X86] Disable use of MMCONFIG for PCI
5111 check_enable_amd_mmconf [X86] check for and enable
5128 biosirq [X86-32] Use PCI BIOS calls to get the interrupt
5136 rom [X86] Assign address space to expansion ROMs.
5140 norom [X86] Do not assign address space to
5143 nobar [X86] Do not assign address space to the
5145 irqmask=0xMMMM [X86] Set a bit mask of IRQs allowed to be
5149 pirqaddr=0xAAAAA [X86] Specify the physical address
5153 lastbus=N [X86] Scan all buses thru bus #N. Can be
5157 assign-busses [X86] Always assign all PCI bus
5160 usepirqmask [X86] Honor the possible IRQ mask stored
5166 noacpi [X86] Do not use ACPI for IRQ routing
5168 use_crs [X86] Use PCI host bridge window information
5172 nocrs [X86] Ignore PCI host bridge windows from ACPI.
5174 use_e820 [X86] Use E820 reservations to exclude parts of
5179 no_e820 [X86] Ignore E820 reservations for PCI host
5187 skip_isa_align [X86] do not align io start addr, so can
5189 noearly [X86] Don't do any early type 1 scanning.
5381 pmtmr= [X86] Manual setup of pmtmr I/O Port.
5441 possible_cpus= [SMP,S390,X86]
5575 pti= [X86-64] Control Page Table Isolation of user and
5630 cec_disable [X86]
6445 rdrand= [X86,EARLY]
6452 rdt= [HW,X86,RDT]
6617 reservetop= [X86-32,EARLY]
6646 retbleed= [X86] Control mitigation of RETBleed (Arbitrary
6809 schedstats= [KNL,X86] Enable or disable scheduled statistics.
6947 serialnumber [BUGS=X86-32]
6949 sev=option[,option...] [X86-64]
6963 show_lapic= [APIC,X86] Advanced Programmable Interrupt Controller
7098 spectre_bhi= [X86] Control mitigation of Branch History Injection
7113 spectre_v2= [X86,EARLY] Control mitigation of Spectre variant 2
7154 [X86] Control mitigation of Spectre variant 2
7195 [X86,EARLY] Control RAS overflow mitigation on AMD Zen CPUs
7244 X86: "prctl"
7258 [X86] Enable split lock detection or bus lock detection
7297 srbds= [X86,INTEL,EARLY]
7444 [X86]
7520 swiotlb= [ARM,PPC,MIPS,X86,S390,EARLY]
7931 tsa= [X86] Control mitigation for Transient Scheduler
7973 tsc_early_khz= [X86,EARLY] Skip early TSC calibration and use the given
7979 tsx= [X86] Control Transactional Synchronization
8008 tsx_async_abort= [X86,INTEL,EARLY] Control mitigation for the TSX Async
8088 [X86] Cause panic on unknown NMI.
8090 unwind_debug [X86-64,EARLY]
8285 vdso= [X86,SH,SPARC]
8291 vdso32= [X86] Control the 32-bit vDSO
8334 vga= [BOOT,X86-32] Select a particular video mode
8375 vmscape= [X86] Controls mitigation for VMscape attacks.
8385 vsyscall= [X86-64,EARLY]
8564 x2apic_phys [X86-64,APIC,EARLY] Use x2apic physical mode instead of
8568 xen_512gb_limit [KNL,X86-64,XEN]
8580 xen_emul_unplug= [HW,X86,XEN,EARLY]
8592 xen_legacy_crash [X86,XEN,EARLY]
8596 xen_mc_debug [X86,XEN,EARLY]
8602 xen_msr_safe= [X86,XEN,EARLY]
8608 xen_nopv [X86]
8615 [KNL,X86,XEN,EARLY] Disable the vector callback for Xen
8624 xen_timer_slop= [X86-64,XEN,EARLY]