Documentation/scsi/.
SELINUX SELinux support is enabled.
SERIAL Serial support is enabled.
+ SH SuperH architecture is enabled.
SMP The kernel is an SMP kernel.
SPARC Sparc architecture is enabled.
SWSUSP Software suspend is enabled.
See header of drivers/scsi/53c7xx.c.
See also Documentation/scsi/ncr53c7xx.txt.
- acpi= [HW,ACPI] Advanced Configuration and Power Interface
+ acpi= [HW,ACPI,X86-64,i386]
+ Advanced Configuration and Power Interface
Format: { force | off | ht | strict | noirq }
force -- enable ACPI if default was off
off -- disable ACPI if default was on
See also Documentation/pm.txt, pci=noacpi
+ acpi_apic_instance= [ACPI, IOAPIC]
+ Format: <int>
+ 2: use 2nd APIC table, if available
+ 1,0: use 1st APIC table
+ default: 0
+
acpi_sleep= [HW,ACPI] Sleep options
Format: { s3_bios, s3_mode }
See Documentation/power/video.txt
that require a timer override, but don't have
HPET
- acpi_dbg_layer= [HW,ACPI]
+ acpi.debug_layer= [HW,ACPI]
Format: <int>
Each bit of the <int> indicates an ACPI debug layer,
1: enable, 0: disable. It is useful for boot time
debugging. After system has booted up, it can be set
- via /proc/acpi/debug_layer.
-
- acpi_dbg_level= [HW,ACPI]
+ via /sys/module/acpi/parameters/debug_layer.
+ CONFIG_ACPI_DEBUG must be enabled for this to produce any output.
+ Available bits (add the numbers together) to enable debug output
+ for specific parts of the ACPI subsystem:
+ 0x01 utilities 0x02 hardware 0x04 events 0x08 tables
+ 0x10 namespace 0x20 parser 0x40 dispatcher
+ 0x80 executer 0x100 resources 0x200 acpica debugger
+ 0x400 os services 0x800 acpica disassembler.
+ The number can be in decimal or prefixed with 0x in hex.
+ Warning: Many of these options can produce a lot of
+ output and make your system unusable. Be very careful.
+
+ acpi.debug_level= [HW,ACPI]
Format: <int>
Each bit of the <int> indicates an ACPI debug level,
1: enable, 0: disable. It is useful for boot time
debugging. After system has booted up, it can be set
- via /proc/acpi/debug_level.
+ via /sys/module/acpi/parameters/debug_level.
+ CONFIG_ACPI_DEBUG must be enabled for this to produce any output.
+ Available bits (add the numbers together) to enable different
+ debug output levels of the ACPI subsystem:
+ 0x01 error 0x02 warn 0x04 init 0x08 debug object
+ 0x10 info 0x20 init names 0x40 parse 0x80 load
+ 0x100 dispatch 0x200 execute 0x400 names 0x800 operation region
+ 0x1000 bfield 0x2000 tables 0x4000 values 0x8000 objects
+ 0x10000 resources 0x20000 user requests 0x40000 package.
+ The number can be in decimal or prefixed with 0x in hex.
+ Warning: Many of these options can produce a lot of
+ output and make your system unusable. Be very careful.
+
acpi_fake_ecdt [HW,ACPI] Workaround failure due to BIOS lacking ECDT
dtc3181e= [HW,SCSI]
- earlyprintk= [IA-32,X86-64]
+ earlyprintk= [IA-32,X86-64,SH]
earlyprintk=vga
earlyprintk=serial[,ttySn[,baudrate]]
lapic [IA-32,APIC] Enable the local APIC even if BIOS
disabled it.
+ lapic_timer_c2_ok [IA-32,x86-64,APIC] trust the local apic timer in
+ C2 power state.
+
lasi= [HW,SCSI] PARISC LASI driver for the 53c700 chip
Format: addr:<io>,irq:<irq>
nolapic [IA-32,APIC] Do not enable or use the local APIC.
+ nolapic_timer [IA-32,APIC] Do not use the local APIC timer.
+
noltlbs [PPC] Do not use large page/tlb entries for kernel
lowmem mapping on PPC40x.
stifb= [HW]
Format: bpp:<bpp1>[:<bpp2>[:<bpp3>...]]
+ sunrpc.pool_mode=
+ [NFS]
+ Control how the NFS server code allocates CPUs to
+ service thread pools. Depending on how many NICs
+ you have and where their interrupts are bound, this
+ option will affect which CPUs will do NFS serving.
+ Note: this parameter cannot be changed while the
+ NFS server is running.
+
+ auto the server chooses an appropriate mode
+ automatically using heuristics
+ global a single global pool contains all CPUs
+ percpu one pool for each CPU
+ pernode one pool for each NUMA node (equivalent
+ to global on non-NUMA machines)
+
swiotlb= [IA-64] Number of I/O TLB slabs
switches= [HW,M68k]
for newly-detected USB devices (default 2). This
is the time required before an idle device will be
autosuspended. Devices for which the delay is set
- to 0 won't be autosuspended at all.
+ to a negative value won't be autosuspended at all.
usbhid.mousepoll=
[USBHID] The interval which mice are to be polled at.
- vdso= [IA-32]
+ vdso= [IA-32,SH]
vdso=1: enable VDSO (default)
vdso=0: disable VDSO mapping
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