Lines Matching full:early
12 acpi= [HW,ACPI,X86,ARM64,RISCV64,EARLY]
37 acpi_apic_instance= [ACPI,IOAPIC,EARLY]
52 acpi_force_32bit_fadt_addr [ACPI,EARLY]
108 acpi_force_table_verification [HW,ACPI,EARLY]
109 Enable table checksum verification during early stage.
110 By default, this is disabled due to x86 early mapping
148 acpi_no_static_ssdt [HW,ACPI,EARLY]
149 Disable installation of static SSDTs at early boot time
162 acpi_rsdp= [ACPI,EFI,KEXEC,EARLY]
239 acpi_sci= [HW,ACPI,EARLY] ACPI System Control Interrupt trigger mode
242 acpi_skip_timer_override [HW,ACPI,EARLY]
277 acpi_use_timer_override [HW,ACPI,EARLY]
281 add_efi_memmap [EFI,X86,EARLY] Include EFI memory map in
318 allow_mismatched_32bit_el0 [ARM64,EARLY]
367 amd_pstate= [X86,EARLY]
414 apic= [APIC,X86,EARLY] Advanced Programmable Interrupt Controller
420 apic_extnmi= [APIC,X86,EARLY] External NMI delivery setting
549 bgrt_disable [ACPI,X86,EARLY]
556 boot_delay= [KNL,EARLY]
564 bootconfig [KNL,EARLY]
599 cca= [MIPS,EARLY] Override the kernel pages' cache coherency
714 [ARM,ARM64,EARLY]
738 [KNL,CMA,EARLY]
747 [KNL,CMA,EARLY]
758 [KNL,CMA,EARLY]
775 coherent_pool=nn[KMG] [ARM,KNL,EARLY]
793 con3215_drop= [S390,EARLY] 3215 console drop mode.
838 the console may be desired for console output early on.
845 Start an early, polled-mode console on the 8250/16550
918 [X86,EARLY] Delay for N microsec between assert and de-assert
942 [KNL,EARLY] Using kexec, Linux can switch to a 'crash kernel'
1013 debug [KNL,EARLY] Enable kernel debugging (events log level).
1016 [KNL,EARLY] Enable printing [hashed] pointers early in the
1033 debug_objects [KNL,EARLY] Enable object debugging
1036 [KNL,EARLY] When CONFIG_DEBUG_PAGEALLOC is set, this
1055 [KNL,EARLY] When CONFIG_DEBUG_PAGEALLOC is set, this parameter
1063 debugfs= [KNL,EARLY] This parameter enables what is exposed to
1143 disable_1tb_segments [PPC,EARLY]
1152 disable_radix [PPC,EARLY]
1159 disable_ddw [PPC/PSERIES,EARLY]
1166 disable_mtrr_cleanup [X86,EARLY]
1171 disable_mtrr_trim [X86, Intel and AMD only,EARLY]
1177 disable_timer_pin_1 [X86,EARLY]
1241 dt_cpu_ftrs= [PPC,EARLY]
1261 early_ioremap_debug [KNL,EARLY]
1263 is useful for tracking down temporary early mappings
1266 earlycon= [KNL,EARLY] Output early console device and options.
1268 When used with no options, the early console is
1274 Start an early, polled-mode console on a Cadence
1285 Start an early, polled-mode console on the 8250/16550
1298 Start an early, polled-mode console on a pl011 serial
1306 Start an early console on a litex serial port at the
1311 Start an early, polled-mode console on a meson serial
1317 Start an early, polled-mode console on an msm serial
1323 Start an early, polled-mode console on an msm serial
1329 Start an early, polled-mode console on a serial port
1335 Start an early, polled-mode console on a serial port
1341 Use RISC-V SBI (Supervisor Binary Interface) for early
1344 smh Use ARM semihosting calls for early console.
1352 Use early console provided by serial driver available
1359 Start an early, polled-mode console on a lantiq serial
1366 Use early console provided by Freescale LP UART driver
1373 Start an early, polled-mode, output-only console on the
1378 Start an early, polled-mode console on the
1384 Start an early, polled-mode console on a Qualcomm
1390 Start an early, unaccelerated console on the EFI
1397 Use early console provided by Freescale LINFlexD UART
1402 earlyprintk= [X86,SH,ARM,M68k,S390,UM,EARLY]
1464 efi= [EFI,EARLY]
1485 efi_no_storage_paranoia [EFI,X86,EARLY]
1501 ekgdboc= [X86,KGDB,EARLY] Allow early kernel console debugging
1509 very early in the boot process. For early debugging
1516 elfcorehdr=[size[KMG]@]offset[KMG] [PPC,SH,X86,S390,EARLY]
1522 enable_mtrr_cleanup [X86,EARLY]
1555 early_page_ext [KNL,EARLY] Enforces page_ext initialization to earlier
1556 stages so cover more early boot allocations.
1595 as early as possible in order to facilitate early
1670 fw_devlink= [KNL,EARLY] Create device links between consumer and supplier
1689 [KNL,EARLY] Treat all inferred dependencies as mandatory
1694 [KNL,EARLY] When all devices that could probe have finished
1715 gart_fix_e820= [X86-64,EARLY] disable the fix e820 for K8 GART
1720 [X86,INTEL,EARLY] Control the Gather Data Sampling (GDS)
1831 highmem=nn[KMG] [KNL,BOOT,EARLY] forces the highmem zone to have an exact
1842 hostname= [KNL,EARLY] Set the hostname (aka UTS nodename).
1844 This allows setting the system's hostname during early
1866 hugepages= [HW,EARLY] Number of HugeTLB pages to allocate at boot.
1878 [HW,EARLY] The size of the HugeTLB pages. This is
1896 hugetlb_cma= [HW,CMA,EARLY] The size of a CMA area used for allocation
1907 [HW,CMA,EARLY] When allocating new HugeTLB pages, only
1949 hv_nopvspin [X86,HYPER_V,EARLY]
2045 idle= [X86,EARLY]
2112 ignore_loglevel [KNL,EARLY]
2247 initrd= [BOOT,EARLY] Specify the location of the initial ramdisk
2249 initrdmem= [KNL,EARLY] Specify a physical address and size from which to
2256 init_on_alloc= [MM,EARLY] Fill newly allocated pages and heap objects with
2261 init_on_free= [MM,EARLY] Fill freed pages and heap objects with zeroes.
2317 intel_pstate= [X86,EARLY]
2364 intremap= [X86-64,Intel-IOMMU,EARLY]
2378 iommu= [X86,EARLY]
2446 iommu.forcedac= [ARM64,X86,EARLY] Control IOVA allocation for PCI devices.
2454 iommu.strict= [ARM64,X86,S390,EARLY] Configure TLB invalidation behaviour
2470 [ARM64,X86,EARLY] Configure DMA to bypass the IOMMU by default.
2480 io_delay= [X86,EARLY] I/O delay method
2493 ipcmni_extend [KNL,EARLY] Extend the maximum number of unique System V
2512 [ARM,ARM64,EARLY]
2519 [ARM,ARM64,EARLY]
2526 irqchip.gicv3_pseudo_nmi= [ARM64,EARLY]
2673 keep_bootcon [KNL,EARLY]
2681 kernelcore= [KNL,X86,PPC,EARLY]
2706 kgdbdbgp= [KGDB,HW,EARLY] kgdb over EHCI usb debug port.
2727 kgdboc_earlycon= [KGDB,HW,EARLY]
2735 The name of the early console should be specified
2737 the early console might be different than the tty
2742 kgdbwait [KGDB,EARLY] Stop kernel execution and enter the
2749 kmemleak= [KNL,EARLY] Boot-time kmemleak enable/disable
2768 kpti= [ARM64,EARLY] Control page table isolation of
2863 [KVM,ARM,EARLY] Select one of KVM/arm64's modes of
2888 [KVM,ARM,EARLY] Trap guest accesses to GICv3 group-0
2892 [KVM,ARM,EARLY] Trap guest accesses to GICv3 group-1
2896 [KVM,ARM,EARLY] Trap guest accesses to GICv3 common
2900 [KVM,ARM,EARLY] Allow use of GICv4 for direct
2921 kvm_cma_resv_ratio=n [PPC,EARLY]
2974 l1d_flush= [X86,INTEL,EARLY]
2991 l1tf= [X86,EARLY] Control mitigation of the L1TF vulnerability on
3060 lapic [X86-32,APIC,EARLY] Enable the local APIC even if BIOS
3068 lapic_timer_c2_ok [X86,APIC,EARLY] trust the local apic timer
3194 lockdown= [SECURITY,EARLY]
3301 loglevel= [KNL,EARLY]
3316 log_buf_len=n[KMG] [KNL,EARLY]
3372 maxcpus= [SMP,EARLY] Maximum number of processors that an SMP kernel
3467 mds= [X86,INTEL,EARLY]
3499 mem=nn[KMG] [HEXAGON,EARLY] Set the memory size.
3502 mem=nn[KMG] [KNL,BOOT,EARLY] Force usage of a specific amount
3528 [ARM,MIPS,EARLY] - override the memory layout
3538 memblock=debug [KNL,EARLY] Enable memblock debug messages.
3552 memmap=exactmap [KNL,X86,EARLY] Enable setting of an exact
3559 [KNL, X86,MIPS,XTENSA,EARLY] Force usage of a specific region of memory.
3569 [KNL,ACPI,EARLY] Mark specific memory as ACPI data.
3573 [KNL,ACPI,EARLY] Mark specific memory as reserved.
3583 memmap=nn[KMG]!ss[KMG,EARLY]
3590 [KNL,ACPI,EARLY] Convert memory within the specified region
3598 memory_corruption_check=0/1 [X86,EARLY]
3610 memory_corruption_check_size=size [X86,EARLY]
3616 memory_corruption_check_period=seconds [X86,EARLY]
3640 memtest= [KNL,X86,ARM,M68K,PPC,RISCV,EARLY] Enable memtest
3699 [X86,PPC,S390,ARM64,EARLY] Control optional mitigations for
3759 [KNL,EARLY] When CONFIG_DEBUG_MEMORY_INIT is set, this
3767 [X86,INTEL,EARLY] Control mitigation for the Processor
3842 movablecore= [KNL,X86,PPC,EARLY]
3853 movable_node [KNL,EARLY] Boot-time switch to make hotplugable memory
3872 mtrr=debug [X86,EARLY]
3876 mtrr_chunk_size=nn[KMG,X86,EARLY]
3880 mtrr_gran_size=nn[KMG,X86,EARLY]
3886 mtrr_spare_reg_nr=n [X86,EARLY]
4074 no4lvl [RISCV,EARLY] Disable 4-level and 5-level paging modes.
4077 no5lvl [X86-64,RISCV,EARLY] Disable 5-level paging mode. Forces
4082 noapic [SMP,APIC,EARLY] Tells the kernel to not make use of any
4089 nocache [ARM,EARLY]
4107 [KNL,EARLY] Disable object debugging
4111 noefi [EFI,EARLY] Disable EFI runtime services support.
4113 no_entry_flush [PPC,EARLY] Don't flush the L1-D cache when entering the kernel.
4137 [KNL,EARLY]
4164 nohugeiomap [KNL,X86,PPC,ARM64,EARLY] Disable kernel huge I/O mappings.
4166 nohugevmalloc [KNL,X86,PPC,ARM64,EARLY] Disable kernel huge vmalloc mappings.
4188 nointremap [X86-64,Intel-IOMMU,EARLY] Do not enable interrupt
4192 noinvpcid [X86,EARLY] Disable the INVPCID cpu feature.
4201 nokaslr [KNL,EARLY]
4206 no-kvmapf [X86,KVM,EARLY] Disable paravirtualized asynchronous page
4209 no-kvmclock [X86,KVM,EARLY] Disable paravirtualized KVM clock driver
4211 nolapic [X86-32,APIC,EARLY] Do not enable or use the local APIC.
4213 nolapic_timer [X86-32,APIC,EARLY] Do not use the local APIC timer.
4236 nopat [X86,EARLY] Disable PAT (page attribute table extension of
4239 nopcid [X86-64,EARLY] Disable the PCID cpu feature.
4244 nopti [X86-64,EARLY]
4247 nopv= [X86,XEN,KVM,HYPER_V,VMWARE,EARLY]
4252 nopvspin [X86,XEN,KVM,EARLY]
4270 nosgx [X86-64,SGX,EARLY] Disables Intel SGX kernel support.
4272 nosmap [PPC,EARLY]
4276 nosmep [PPC64s,EARLY]
4280 nosmp [SMP,EARLY] Tells an SMP kernel to act as a UP kernel,
4283 nosmt [KNL,MIPS,PPC,EARLY] Disable symmetric multithreading (SMT).
4293 [HW,EARLY] Disable all mitigations for the Speculative
4296 nospectre_bhb [ARM64,EARLY] Disable all mitigations for Spectre-BHB (branch
4300 nospectre_v1 [X86,PPC,EARLY] Disable mitigations for Spectre Variant 1
4304 nospectre_v2 [X86,PPC_E500,ARM64,EARLY] Disable all mitigations
4309 no-steal-acc [X86,PV_OPS,ARM64,PPC/PSERIES,RISCV,LOONGARCH,EARLY]
4321 [PPC,EARLY] Don't flush the L1-D cache after accessing user data.
4335 [X86,PV_OPS,EARLY] Disable paravirtualized VMware
4341 nowb [ARM,EARLY]
4343 nox2apic [X86-64,APIC,EARLY] Do not enable x2APIC mode.
4368 nr_cpus= [SMP,EARLY] Maximum number of processors that an SMP kernel
4379 numa=off [KNL, ARM64, PPC, RISCV, SPARC, X86, EARLY]
4384 [KNL, ARM64, RISCV, X86, EARLY]
4389 [KNL, ARM64, RISCV, X86, EARLY]
4394 [KNL, ARM64, RISCV, X86, EARLY]
4412 ohci1394_dma=early [HW,EARLY] enable debugging via the ohci1394 driver.
4438 oops=panic [KNL,EARLY]
4453 page_owner= [KNL,EARLY] Boot-time page_owner enabling option.
4459 page_poison= [KNL,EARLY] Boot-time parameter changing the state of
4477 panic_on_taint= [KNL,EARLY]
4635 pci=option[,option...] [PCI,EARLY] various PCI subsystem options.
4764 noearly [X86] Don't do any early type 1 scanning.
4941 percpu_alloc= [MM,EARLY]
5021 ppc_tm= [PPC,EARLY]
5156 quiet [KNL,EARLY] Disable most log messages
5173 [KNL,EARLY] Disable trusting the use of the CPU's
5178 [KNL,EARLY] Disable trusting the use of the a seed
5183 [KNL,EARLY] Enable or disable kernel stack offset
5255 out at early boot. This is used for diagnostic
5850 during early boot, that is, during the time
5992 Run the RCU early boot self tests
5997 used for early userspace startup. See initrd.
5999 rdrand= [X86,EARLY]
6166 reservetop= [X86-32,EARLY]
6248 riscv_isa_fallback [RISCV,EARLY]
6257 rodata= [KNL,EARLY]
6264 [EARLY]
6273 block/early-lookup.c for details.
6325 sched_verbose [KNL,EARLY] Enables verbose scheduler debug messages.
6445 skew_tick= [KNL,EARLY] Offset the periodic timer tick per cpu to mitigate
6585 smt= [KNL,MIPS,S390,EARLY] Set the maximum number of threads
6625 spectre_v2= [X86,EARLY] Control mitigation of Spectre variant 2
6707 [X86,EARLY] Control RAS overflow mitigation on AMD Zen CPUs
6718 [HW,EARLY] Control Speculative Store Bypass (SSB) Disable mitigation
6809 srbds= [X86,INTEL,EARLY]
6896 ssbd= [ARM64,HW,EARLY]
6920 stack_depot_disable= [KNL,EARLY]
6959 stress_hpt [PPC,EARLY]
6964 stress_slb [PPC,EARLY]
7024 swiotlb= [ARM,PPC,MIPS,X86,S390,EARLY]
7034 switches= [HW,M68k,EARLY]
7102 threadirqs [KNL,EARLY]
7116 topology= [S390,EARLY]
7170 tracing ring buffer. This is useful for early boot up
7226 to facilitate early boot debugging. The event-list is a
7239 [FTRACE] Create a ring buffer instance early in boot up.
7455 tsc_early_khz= [X86,EARLY] Skip early TSC calibration and use the given
7456 value instead. Useful when the early TSC frequency discovery
7490 tsx_async_abort= [X86,INTEL,EARLY] Control mitigation for the TSX Async
7537 udbg-immortal [PPC] When debugging early kernel crashes that
7572 unwind_debug [X86-64,EARLY]
7784 video= [FB,EARLY] Frame buffer configuration
7832 vmalloc=nn[KMG] [KNL,BOOT,EARLY] Forces the vmalloc area to have an
7841 vmcp_cma=nn[MG] [KNL,S390,EARLY]
7854 vsyscall= [X86-64,EARLY]
8018 writecombine= [LOONGARCH,EARLY] Control the MAT (Memory Access
8024 x2apic_phys [X86-64,APIC,EARLY] Use x2apic physical mode instead of
8035 xen_emul_unplug= [HW,X86,XEN,EARLY]
8047 xen_legacy_crash [X86,XEN,EARLY]
8051 xen_mc_debug [X86,XEN,EARLY]
8057 xen_msr_safe= [X86,XEN,EARLY]
8070 [KNL,X86,XEN,EARLY] Disable the vector callback for Xen
8079 xen_timer_slop= [X86-64,XEN,EARLY]
8132 xmon [PPC,EARLY]
8133 Format: { early | on | rw | ro | off }
8135 Passing only "xmon" is equivalent to "xmon=early".
8136 early Call xmon as early as possible on boot; xmon