Lines Matching +full:0 +full:x86
1 acpi= [HW,ACPI,X86,ARM64]
21 1,0: use 1st APIC table
22 default: 0
62 acpi.debug_layer=0x20000000
65 acpi.debug_layer=0xffffffff acpi.debug_level=0x2
67 acpi.debug_layer=0x2 acpi.debug_level=0xffffffff
91 By default, this is disabled due to x86 early mapping
215 acpi_pm_good [X86]
262 add_efi_memmap [EFI; X86] Include EFI memory map in
276 behaviour to be specified. Bit 0 enables warnings,
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
371 bsp: External NMI is delivered only to CPU 0
373 backup of CPU 0
381 show_lapic= [APIC,X86] Advanced Programmable Interrupt Controller
391 See header of arch/x86/kernel/apm_32.c.
427 Format: <bool> (0 = real, 1 = synthetic (default))
433 Format: { "0" | "1" | "off" | "on" }
434 0 | off - kernel audit is disabled and can not be
445 Format: <int> (must be >=0)
449 behavior is to disable the BAU (i.e. bau=0).
450 Format: { "0" | "1" }
451 0 - Disable the BAU.
475 bgrt_disable [ACPI][X86]
484 no delay (0).
505 cachesize= [BUGS=X86-32] Override level 2 CPU cache size detection.
523 algorithm. Accepted values range from 0 to 7
562 Format: { "0" | "1" }
564 0 -- check protection applied by kernel (includes
575 clearcpuid=X[,X...] [X86]
577 arch/x86/include/asm/cpufeatures.h for the valid bit
605 clock= [BUGS=X86-32, HW] gettimeofday clocksource override.
622 [X86-32] pit,hpet,tsc;
629 [X86-64] hpet,tsc
666 memory allocations. A value of 0 disables CMA
673 contiguous memory allocations. A value of 0 disables
675 specificed, the default value is 0.
727 uart[8250],0x<addr>[,options]
767 seconds. A value of 0 disables the blank timer.
768 Defaults to 0.
779 0: default value, disable debugging
786 cpu0_hotplug [X86] Turn on CPU0 hotplug feature when
815 [X86] Delay for N microsec between assert and de-assert
834 [KNL, X86-64] Select a region under 4G first, and
847 [KNL, X86-64, ARM64] range could be above 4G. Allow kernel
854 [KNL, X86-64] range under 4G. When crashkernel=X,high
864 0: to disable low allocation.
888 0: disable csdlock debugging (default)
916 Bitmask for the various LOCKTYPE_ tests. Defaults to 0
969 debugpat [X86] Enable PAT debugging
987 of 0 will timeout at the end of initcalls. If the time
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]
1147 x86 Macs. Useful for driver authors to determine
1156 nopku [X86] Disable Memory Protection Keys CPU feature found
1189 uart[8250],0x<addr>[,options]
1295 coherent non-x86 systems that use system memory for
1305 earlyprintk= [X86,SH,ARM,M68k,S390]
1310 earlyprintk=serial[,0x...[,baudrate]]
1328 on some architectures (x86 and arm at least) by
1330 earlyprintk=serial,0x1008,115200
1381 efi_no_storage_paranoia [EFI; X86]
1387 efi_fake_mem= nn[KMG]@ss[KMG]:aa[,nn[KMG]@ss[KMG]:aa,..] [EFI; X86]
1393 If efi_fake_mem=2G@4G:0x10000,2G@0x10a0000000:0x10000
1394 is specified, EFI_MEMORY_MORE_RELIABLE(0x10000)
1395 attribute is added to range 0x100000000-0x180000000 and
1396 0x10a0000000-0x1120000000.
1398 If efi_fake_mem=8G@9G:0x40000 is specified, the
1399 EFI_MEMORY_SP(0x40000) attribute is added to
1400 range 0x240000000-0x43fffffff.
1408 efivar_ssdt= [EFI; X86] Name of an EFI variable that contains an SSDT
1418 ekgdboc= [X86,KGDB] Allow early kernel console debugging
1429 elanfreq= [X86-32]
1431 arch/x86/kernel/cpu/cpufreq/elanfreq.c.
1433 elfcorehdr=[size[KMG]@]offset[KMG] [IA64,PPC,SH,X86,S390]
1439 enable_mtrr_cleanup [X86]
1444 enable_timer_pin_1 [X86]
1451 Format: {"0" | "1"}
1453 0 -- permissive (log only, no denials).
1455 Default value is 0.
1502 forcepae [X86-32]
1559 in the tracefs tracing directory. default: 0 (no limit)
1592 gart_fix_e820= [X86-64] disable the fix e820 for K8 GART
1602 goldfish [X86] Enable the goldfish android emulator platform.
1617 grcan.enable0= [HW] Configuration of physical interface 0. Determines
1618 the "Enable 0" bit of the configuration register.
1619 Format: 0 | 1
1620 Default: 0
1622 the "Enable 0" bit of the configuration register.
1623 Format: 0 | 1
1624 Default: 0
1626 Format: 0 | 1
1627 Default: 0
1629 Format: <unsigned int> such that (txsize & ~0x1fffc0) == 0.
1632 Format: <unsigned int> such that (rxsize & ~0x1fffc0) == 0.
1649 Format: 0 | 1
1654 Format: 0 | 1 (for off | on)
1699 hpet= [X86-32,HPET] option to control HPET usage
1707 hpet_mmap= [X86, HPET_MMAP] Allow userspace to mmap HPET
1763 Format: 0 | 1
1772 terminal devices. Valid values: 0..8
1777 hv_nopvspin [X86,HYPER_V] Disables the paravirt spinlock optimizations
1814 Format: { 1 | Y | y | 0 | N | n }
1816 0, N, n: don't ever reset controller
1817 Default: only on s2r transitions on x86; most other
1829 brightness value of 0 indicates backlight switched off,
1831 to maximum brightness. If this parameter is set to 0
1833 is set to 1, a brightness value of 0 sets the backlight
1837 0 -- machine default
1844 idle= [X86]
1863 for the device. By default it is set to false (0).
1921 owned by uid=0.
1942 mode bit set by either the effective uid (euid=0) or
1943 uid=0.
1964 opened for read by uid=0.
2025 Default is 0, 0
2029 Format: 0 | 1
2033 Format: 0 | 1
2036 init_pkru= [X86] Specify the default memory protection keys rights
2037 register contents for all processes. 0x55555554 by
2038 default (disallow access to all but pkey 0). Can
2044 int_pln_enable [X86] Enable power limit notification interrupt
2047 Format: { "0" | "1" }
2048 0 -- basic integrity auditing messages. (Default)
2084 intel_idle.max_cstate= [KNL,HW,ACPI,X86]
2085 0 disables intel_idle and fall back on acpi_idle.
2088 intel_pstate= [X86]
2122 intremap= [X86-64, Intel-IOMMU]
2134 iommu= [X86]
2144 pt [X86]
2145 nopt [X86]
2149 iommu.forcedac= [ARM64, X86] Control IOVA allocation for PCI devices.
2150 Format: { "0" | "1" }
2151 0 - Try to allocate a 32-bit DMA address first, before
2157 iommu.strict= [ARM64, X86] Configure TLB invalidation behaviour
2158 Format: { "0" | "1" }
2159 0 - Lazy mode.
2169 Note: on x86, strict mode specified via one of the
2173 [ARM64, X86] Configure DMA to bypass the IOMMU by default.
2174 Format: { "0" | "1" }
2175 0 - Use IOMMU translation for DMA.
2183 io_delay= [X86] I/O delay method
2184 0x80
2185 Standard port 0x80 based delay
2186 0xed
2187 Alternate port 0xed based delay (needed on some systems)
2268 <cpu number> begins at 0 and the maximum value is
2299 ivrs_ioapic [HW,X86-64]
2302 By default, PCI segment is 0, and can be omitted.
2307 * To map IOAPIC-ID decimal 10 to PCI segment 0x1 and
2311 ivrs_hpet [HW,X86-64]
2314 By default, PCI segment is 0, and can be omitted.
2316 * To map HPET-ID decimal 0 to PCI device 00:14.0
2318 ivrs_hpet[0]=00:14.0
2319 * To map HPET-ID decimal 10 to PCI segment 0x1 and
2323 ivrs_acpihid [HW,X86-64]
2327 For example, to map UART-HID:UID AMD0020:0 to
2328 PCI segment 0x1 and PCI device ID 00:14.5,
2330 ivrs_acpihid[0001:00:14.5]=AMD0020:0
2332 By default, PCI segment is 0, and can be omitted.
2334 ivrs_acpihid[00:14.5]=AMD0020:0
2352 kernelcore= [KNL,X86,IA-64,PPC]
2442 0: force disabled
2452 Default is 0 (don't ignore, but inject #GP)
2455 [KVM,X86] Controls whether or not KVM will try to
2497 back to huge pages. 0 disables the recovery, otherwise if
2505 If the value is 0 (the default), KVM will pick a period based
2531 [KVM,ARM] Trap guest accesses to GICv3 group-0
2572 Default is 0 (disabled)
2595 l1d_flush= [X86,INTEL]
2612 l1tf= [X86] Control mitigation of the L1TF vulnerability on
2681 lapic [X86-32,APIC] Enable the local APIC even if BIOS
2684 lapic= [X86,APIC] Do not use TSC deadline
2689 lapic_timer_c2_ok [X86,APIC] trust the local apic timer
2693 libata.dma=0 Disable all PATA and SATA DMA
2701 libata.ignore_hpa=0 keep BIOS limits (default)
2719 number of 0 either selects the first device or the
2734 * Transfer mode: pio[0-7], mwdma[0-4] and udma[0-7].
2867 0 (KERN_EMERG) system is unusable
2889 lp=0 [LP] Specify parallel ports to use, e.g,
2891 lp=reset first parallel port). 'lp=0' disables the
2909 CPU). 0 enables autodetection (default). To determine
2941 will bring up during bootup. maxcpus=n : n >= 0 limits
2946 While n=0 is a special case, it is equivalent to "nosmp",
2956 mce [X86-32] Machine Check Exception
2958 mce=option [X86-64] See Documentation/x86/x86_64/boot-options.rst
2967 mds= [X86,INTEL]
3000 Must be specified, otherwise memory size will be 0.
3017 [X86] Work as limiting max address. Use together
3034 mem=nopentium [BUGS=X86-32] Disable usage of 4MB pages for kernel
3051 memmap=exactmap [KNL,X86] Enable setting of an exact
3058 [KNL, X86, MIPS, XTENSA] Force usage of a specific region of memory.
3074 Example: Exclude memory from 0x18690000-0x1869ffff
3075 memmap=64K$0x18690000
3077 memmap=0x10000$0x18690000
3083 [KNL,X86] Mark specific memory as protected.
3085 The memory region may be marked as e820 type 12 (0xc)
3097 memory_corruption_check=0/1 [X86]
3109 memory_corruption_check_size=size [X86]
3115 memory_corruption_check_period=seconds [X86]
3118 other rate. 0 disables periodic checking.
3121 [KNL,X86,ARM] Boolean flag to enable this feature.
3139 memtest= [KNL,X86,ARM,M68K,PPC,RISCV] Enable memtest
3141 default : 0 <disable>
3149 mem_encrypt= [X86-64] AMD Secure Memory Encryption (SME) control
3157 Refer to Documentation/virt/kvm/x86/amd-memory-encryption.rst
3173 mfgptfix [X86-32] Fix MFGPT timers on AMD Geode platforms when
3184 Format:[0..2][b][c][t]
3185 Default: "0tb"
3187 0 - The attached screen is the 3.5" TFT
3205 [X86,PPC,S390,ARM64] Control optional mitigations for
3214 Equivalent to: nopti [X86,PPC]
3215 if nokaslr then kpti=0 [ARM64]
3216 nospectre_v1 [X86,PPC]
3217 nobp=0 [S390]
3218 nospectre_v2 [X86,PPC,S390,ARM64]
3219 spectre_v2_user=off [X86]
3220 spec_store_bypass_disable=off [X86,PPC]
3223 l1tf=off [X86]
3224 mds=off [X86]
3225 tsx_async_abort=off [X86]
3226 kvm.nx_huge_pages=off [X86]
3227 srbds=off [X86,INTEL]
3230 mmio_stale_data=off [X86]
3231 retbleed=off [X86]
3250 Equivalent to: l1tf=flush,nosmt [X86]
3251 mds=full,nosmt [X86]
3252 tsx_async_abort=full,nosmt [X86]
3253 mmio_stale_data=full,nosmt [X86]
3254 retbleed=auto,nosmt [X86]
3260 of 0 disables mminit logging and a level of 4 will
3265 [X86,INTEL] Control mitigation for the Processor
3327 movablecore= [KNL,X86,IA-64,PPC]
3362 mtrr_chunk_size=nn[KMG] [X86]
3366 mtrr_gran_size=nn[KMG] [X86]
3372 mtrr_spare_reg_nr=n [X86]
3374 Range: 0,7 : spare reg number
3399 0 to disable accounting
3401 Default value is 0.
3466 To turn off this behaviour, set the value to '0'.
3490 The default parameter value of '0' causes the kernel
3497 Setting this to value to 0 causes the kernel to use
3531 nmi_watchdog= [KNL,BUGS=X86] Debugging features for SMP kernels
3533 Valid num: 0 or 1
3534 0 - turn hardlockup detector in nmi_watchdog off
3547 no387 [BUGS=X86-32] Tells the kernel to use the 387 maths
3551 no5lvl [X86-64] Disable 5-level paging mode. Forces
3554 nofsgsbase [X86] Disables FSGSBASE instructions.
3614 noexec32 [X86-64]
3623 nofxsr [BUGS=X86-32] Disables x86 floating point extended
3627 nohugeiomap [KNL,X86,PPC,ARM64] Disable kernel huge I/O mappings.
3629 nohugevmalloc [KNL,X86,PPC,ARM64] Disable kernel huge vmalloc mappings.
3634 [KNL,X86] Disable symmetric multithreading (SMT).
3638 nospectre_v1 [X86,PPC] Disable mitigations for Spectre Variant 1
3642 nospectre_v2 [X86,PPC_E500,ARM64] Disable all mitigations for
3657 noxsave [BUGS=X86] Disables x86 extended register state save
3661 noxsaveopt [X86] Disables xsaveopt used in saving x86 extended
3668 noxsaves [X86] Disables xsaves and xrstors used in saving and
3669 restoring x86 extended register state in compacted
3731 noirqdebug [X86-32] Disables the code which attempts to detect and
3734 no_timer_check [X86,APIC] Disables the code which tests for
3742 nointremap [X86-64, Intel-IOMMU] Do not enable interrupt
3748 noinvpcid [X86] Disable the INVPCID cpu feature.
3752 no-kvmclock [X86,KVM] Disable paravirtualized KVM clock driver
3754 no-kvmapf [X86,KVM] Disable paravirtualized asynchronous page
3758 [X86,PV_OPS] Disable paravirtualized VMware scheduler
3761 no-steal-acc [X86,PV_OPS,ARM64,PPC/PSERIES] Disable paravirtualized
3765 nolapic [X86-32,APIC] Do not enable or use the local APIC.
3767 nolapic_timer [X86-32,APIC] Do not use the local APIC timer.
3771 nomce [X86-32] Disable Machine Check Exception
3773 nomfgpt [X86-32] Disable Multi-Function General Purpose
3776 nonmi_ipi [X86] Disable using NMI IPIs during panic/reboot to
3789 nopat [X86] Disable PAT (page attribute table extension of
3792 nopcid [X86-64] Disable the PCID cpu feature.
3795 echo 0 > /proc/sys/kernel/randomize_va_space
3797 noreplace-smp [X86-32,SMP] Don't replace SMP instructions
3809 nosgx [X86-64,SGX] Disables Intel SGX kernel support.
3812 and disable the IO APIC. legacy for "maxcpus=0".
3823 nox2apic [X86-64,APIC] Do not enable x2APIC mode.
3853 numa=off [KNL, ARM64, PPC, RISCV, SPARC, X86] Disable NUMA, Only
3856 numa_balancing= [KNL,ARM64,PPC,RISCV,S390,X86] Enable or disable automatic
3879 omap_mux=i2c2_scl.i2c2_scl=0x100,i2c2_sda.i2c2_sda=0x100
3889 1 indicates lock status, 0 indicates unlock status.
3926 timeout > 0: seconds before rebooting
3927 timeout = 0: wait forever
3928 timeout < 0: reboot immediately
3933 bit 0: print all tasks info
3962 connected to, default is 0.
3965 0 for XT, 1 for AT (default is AT).
3968 parport= [HW,PPT] Specify parallel ports. 0 disables.
3969 Format: { 0 | auto | 0xBBB[,IRQ[,DMA]] }
4016 for the respective channel. Bit 0 is for the first
4041 Bit 0 is for mode 0, bit 1 is for mode 1, and so on.
4053 options up to 6 legacy ports are supported: 0x1f0,
4054 0x170, 0x1e8, 0x168, 0x1e0, 0x160, however probing
4056 corresponding bits in the mask to 1. Bit 0 is for
4057 the first port in the list above (0x1f0), and so on.
4063 set to 1 if CONFIG_PATA_QDI_MODULE, 0 otherwise.
4068 the standard I/O port (0x130) if 1, otherwise the
4069 value given is the I/O port to use (typically 0x1b0).
4071 0 otherwise.
4076 the use of the respective PIO modes. Bit 0 is for
4077 mode 0, bit 1 is for mode 1, and so on. Mode 0 only
4117 off [X86] don't probe for the PCI bus
4118 bios [X86-32] force use of PCI BIOS, don't access
4121 nobios [X86-32] disallow use of PCI BIOS, only direct
4125 conf1 [X86] Force use of PCI Configuration Access
4126 Mechanism 1 (config address in IO port 0xCF8,
4127 data in IO port 0xCFC, both 32-bit).
4128 conf2 [X86] Force use of PCI Configuration Access
4129 Mechanism 2 (IO port 0xCF8 is an 8-bit port for
4130 the function, IO port 0xCFA, also 8-bit, sets
4132 through ports 0xC000-0xCFFF).
4140 nommconf [X86] Disable use of MMCONFIG for PCI
4142 check_enable_amd_mmconf [X86] check for and enable
4159 biosirq [X86-32] Use PCI BIOS calls to get the interrupt
4167 rom [X86] Assign address space to expansion ROMs.
4171 norom [X86] Do not assign address space to
4174 nobar [X86] Do not assign address space to the
4176 irqmask=0xMMMM [X86] Set a bit mask of IRQs allowed to be
4180 pirqaddr=0xAAAAA [X86] Specify the physical address
4184 lastbus=N [X86] Scan all buses thru bus #N. Can be
4188 assign-busses [X86] Always assign all PCI bus
4191 usepirqmask [X86] Honor the possible IRQ mask stored
4197 noacpi [X86] Do not use ACPI for IRQ routing
4199 use_crs [X86] Use PCI host bridge window information
4203 nocrs [X86] Ignore PCI host bridge windows from ACPI.
4205 use_e820 [X86] Use E820 reservations to exclude parts of
4210 no_e820 [X86] Ignore E820 reservations for PCI host
4218 skip_isa_align [X86] do not align io start addr, so can
4220 noearly [X86] Don't do any early type 1 scanning.
4358 Format: { 0 | 1 }
4375 See Documentation/x86/i386/IO-APIC.rst.
4378 Format: { parport<nr> | timid | 0 }
4381 pmtmr= [X86] Manual setup of pmtmr I/O Port.
4383 e.g. pmtmr=0x508
4388 PMU counters by setting MMCR0 to 0 (the FC bit is
4391 remains 0.
4468 Format: <bool> (1/Y/y=enable, 0/N/n=disable)
4475 serial console, keeping this 0 is a good choice
4478 default: 0 (auto_verbose is enabled)
4488 Format: <bool> (1/Y/y=enable, 0/N/n=disable)
4526 (0 = never).
4531 0 = disabled, 1 = enabled (default).
4538 pti= [X86-64] Control Page Table Isolation of user and
4550 nopti [X86-64]
4589 Format: <bool> (1/Y/y=enable, 0/N/n=disable)
4594 cec_disable [X86]
4664 Specify rcutree.use_softirq=0 to use rcuc kthreads.
4695 of permitted values is in the range 0:100000.
4730 RCU_BOOST is not set, valid values are 0-99 and
5037 Test RCU priority boosting? 0=no, 1=maybe, 2=yes.
5183 rdrand= [X86]
5190 rdt= [HW,X86,RDT]
5198 Format (x86 or x86_64):
5223 x86 laptops.
5244 refscale is built into the kernel and to 0 (leave
5263 them. If <base> is less than 0x10000, the region
5266 reservetop= [X86-32]
5294 retbleed= [X86] Control mitigation of RETBleed (Arbitrary
5332 0 "airplane mode". All wifi, bluetooth, wimax, gps, fm,
5337 0 The "airplane mode" button does nothing.
5402 and so on. As a special case a factor of 0 imposes no
5411 schedstats= [KNL,X86] Enable or disable scheduled statistics.
5429 Format: integer between 0 and 10
5430 Default is 0.
5527 Format: { "0" | "1" }
5528 0 -- disable. (may be 1 via CONFIG_CMDLINE="skew_tick=1"
5538 Format: { "0" | "1" }
5540 0 -- disable.
5545 Format: { "0" | "1" }
5547 0 -- disable.
5551 serialnumber [BUGS=X86-32]
5553 sev=option[,option...] [X86-64] See Documentation/x86/x86_64/boot-options.rst
5584 more than 32MB of RAM, 0 otherwise.
5642 0: Toshiba Satellite 1800 (GP data pin select)
5655 Format: 0 | 1
5666 Format: 0 | 1
5671 spectre_v2= [X86] Control mitigation of Spectre variant 2
5710 [X86] Control mitigation of Spectre variant 2
5771 On x86 the options are:
5789 X86: "prctl"
5808 [X86] Enable split lock detection or bus lock detection
5834 0 < N <= 1000.
5845 CPL > 0.
5847 srbds= [X86,INTEL]
5881 0: Never.
5885 0x1X: Above plus if high contention.
5931 srcutree.convert_to_big must have the 0x10 bit
5989 [X86]
6002 range 0 < portnr < 1024).
6013 The default value is 0 (no limit).
6048 Format: { on | off | y | n | 1 | 0 }
6052 swiotlb= [ARM,IA-64,PPC,MIPS,X86]
6073 sysfs.deprecated=0|1 [KNL]
6132 0: no polling (default)
6190 echo 0 > /proc/sys/kernel/tracepoint_printk
6306 [x86] reliable: mark tsc clocksource as reliable, this
6311 [x86] noirqtime: Do not use TSC to do irq accounting.
6315 [x86] unstable: mark the TSC clocksource as unstable, this
6318 [x86] nowatchdog: disable clocksource watchdog. Used
6323 tsc_early_khz= [X86] Skip early TSC calibration and use the given
6329 tsx= [X86] Control Transactional Synchronization
6358 tsx_async_abort= [X86,INTEL] Control mitigation for the TSX Async
6422 [X86] Cause panic on unknown NMI.
6427 0 = not authorized, 1 = authorized, 2 = authorized
6438 [USB] Set to log all usbfs traffic (default 0 = off).
6445 [USB] Set to cycle leds on hubs (default 0 = off).
6449 scheme (default 0 = off).
6453 usbfs (default = 16, 0 = max = 2047).
6524 Example: quirks=0781:5580:bk,0a5c:5834:gij
6605 [X86] Flags controlling user PTE allocations.
6611 vdso= [X86,SH,SPARC]
6615 vdso=0: disable VDSO mapping
6617 vdso32= [X86] Control the 32-bit vDSO
6619 vdso32=0 or vdso32=2: disable 32-bit VDSO
6623 vdso32=0; otherwise, the default is vdso32=1.
6626 alias for vdso32=0.
6628 Try vdso32=0 if you encounter an error that says:
6638 Format: [0|1]
6642 the allocated input device. If set to 0, video driver
6659 virtio_mmio.device=1K@0x100b0000:48:7
6663 vga= [BOOT,X86-32] Select a particular video mode
6664 See Documentation/x86/boot.rst and
6684 minimum size (128MB on x86). It can also be used to
6701 vsyscall= [X86-64]
6703 fixed addresses of 0xffffffffff600x00 from legacy
6722 Format: 0xYX, X = foreground, Y = background.
6723 Default: 0x07 = light gray on black.
6726 Format: 0xCCBBAA, where AA, BB, and CC are the same as
6734 ranging from 0-255.
6740 ranging from 0-255.
6746 ranging from 0-255.
6750 Format=<0|1>
6757 Format=<-1|0|1>
6761 overridden by individual drivers. 0 will hide
6764 vt.italic= [VT] Default color for italic text; 0-15.
6767 vt.underline= [VT] Default color for underlined text; 0-15.
6779 threshold is set to twice the value. A value of 0
6786 help debugging. 0 disables workqueue stall
6827 x2apic_phys [X86-64,APIC] Use x2apic physical mode instead of
6831 xen_512gb_limit [KNL,X86-64,XEN]
6838 xen_emul_unplug= [HW,X86,XEN]
6850 xen_legacy_crash [X86,XEN]
6854 xen_msr_safe= [X86,XEN]
6860 xen_nopvspin [X86,XEN]
6865 xen_nopv [X86]
6872 [KNL,X86,XEN] Disable the vector callback for Xen
6881 xen_timer_slop= [X86-64,XEN]
6910 nopv= [X86,XEN,KVM,HYPER_V,VMWARE]
6915 nopvspin [X86,XEN,KVM]
6963 amd_pstate= [X86]