hpet= [X86-32,HPET] option to control HPET usage
Format: { enable (default) | disable | force }
disable: disable HPET and use PIT instead
- force: allow force enabled of undocumented chips (ICH4, VIA)
+ force: allow force enabled of undocumented chips (ICH4,
+ VIA, nVidia)
com20020= [HW,NET] ARCnet - COM20020 chipset
Format:
Format: <area>[,<node>]
See also Documentation/networking/decnet.txt.
- default_blu= [VT]
+ vt.default_blu= [VT]
Format: <blue0>,<blue1>,<blue2>,...,<blue15>
Change the default blue palette of the console.
This is a 16-member array composed of values
ranging from 0-255.
- default_grn= [VT]
+ vt.default_grn= [VT]
Format: <green0>,<green1>,<green2>,...,<green15>
Change the default green palette of the console.
This is a 16-member array composed of values
ranging from 0-255.
- default_red= [VT]
+ vt.default_red= [VT]
Format: <red0>,<red1>,<red2>,...,<red15>
Change the default red palette of the console.
This is a 16-member array composed of values
ranging from 0-255.
- default_utf8= [VT]
+ vt.default_utf8=
+ [VT]
Format=<0|1>
Set system-wide default UTF-8 mode for all tty's.
- Default is 0 and by setting to 1, it enables UTF-8
- mode for all newly opened or allocated terminals.
+ Default is 1, i.e. UTF-8 mode is enabled for all
+ newly opened terminals.
dhash_entries= [KNL]
Set number of hash buckets for dentry cache.
eata= [HW,SCSI]
- ec_intr= [HW,ACPI] ACPI Embedded Controller interrupt mode
- Format: <int>
- 0: polling mode
- non-0: interrupt mode (default)
-
edd= [EDD]
Format: {"of[f]" | "sk[ipmbr]"}
See comment in arch/i386/boot/edd.S
lapic_timer_c2_ok [X86-32,x86-64,APIC] trust the local apic timer in
C2 power state.
+ libata.dma= [LIBATA] DMA control
+ libata.dma=0 Disable all PATA and SATA DMA
+ libata.dma=1 PATA and SATA Disk DMA only
+ libata.dma=2 ATAPI (CDROM) DMA only
+ libata.dma=4 Compact Flash DMA only
+ Combinations also work, so libata.dma=3 enables DMA
+ for disks and CDROMs, but not CFs.
+
libata.noacpi [LIBATA] Disables use of ACPI in libata suspend/resume
when set.
Format: <int>
Param: "schedule" - profile schedule points.
Param: <number> - step/bucket size as a power of 2 for
statistical time based profiling.
- Param: "sleep" - profile D-state sleeping (millisecs)
+ Param: "sleep" - profile D-state sleeping (millisecs).
+ Requires CONFIG_SCHEDSTATS
Param: "kvm" - profile VM exits.
processor.max_cstate= [HW,ACPI]
Format: <vendor>:<model>:<flags>
(flags are integer value)
- scsi_logging= [SCSI]
+ scsi_logging_level= [SCSI] a bit mask of logging levels
+ See drivers/scsi/scsi_logging.h for bits. Also
+ settable via sysctl at dev.scsi.logging_level
+ (/proc/sys/dev/scsi/logging_level).
+ There is also a nice 'scsi_logging_level' script in the
+ S390-tools package, available for download at
+ http://www-128.ibm.com/developerworks/linux/linux390/s390-tools-1.5.4.html
scsi_mod.scan= [SCSI] sync (default) scans SCSI busses as they are
discovered. async scans them in kernel threads,