diff options
Diffstat (limited to 'Documentation/kernel-parameters.txt')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 92e1ab8178a8..7936b801fe6a 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -229,14 +229,6 @@ and is between 256 and 4096 characters. It is defined in the file to assume that this machine's pmtimer latches its value and always returns good values. - acpi.power_nocheck= [HW,ACPI] - Format: 1/0 enable/disable the check of power state. - On some bogus BIOS the _PSC object/_STA object of - power resource can't return the correct device power - state. In such case it is unneccessary to check its - power state again in power transition. - 1 : disable the power state check - acpi_sci= [HW,ACPI] ACPI System Control Interrupt trigger mode Format: { level | edge | high | low } @@ -1123,6 +1115,10 @@ and is between 256 and 4096 characters. It is defined in the file libata.dma=4 Compact Flash DMA only Combinations also work, so libata.dma=3 enables DMA for disks and CDROMs, but not CFs. + + libata.ignore_hpa= [LIBATA] Ignore HPA limit + libata.ignore_hpa=0 keep BIOS limits (default) + libata.ignore_hpa=1 ignore limits, using full disk libata.noacpi [LIBATA] Disables use of ACPI in libata suspend/resume when set. @@ -1728,8 +1724,8 @@ and is between 256 and 4096 characters. It is defined in the file oprofile.cpu_type= Force an oprofile cpu type This might be useful if you have an older oprofile userland or if you want common events. - Format: { archperfmon } - archperfmon: [X86] Force use of architectural + Format: { arch_perfmon } + arch_perfmon: [X86] Force use of architectural perfmon on Intel CPUs instead of the CPU specific event set. @@ -1863,7 +1859,7 @@ and is between 256 and 4096 characters. It is defined in the file IRQ routing is enabled. noacpi [X86] Do not use ACPI for IRQ routing or for PCI scanning. - nocrs [X86] Don't use _CRS for PCI resource + use_crs [X86] Use _CRS for PCI resource allocation. routeirq Do IRQ routing for all PCI devices. This is normally done in pci_enable_device(), @@ -1923,6 +1919,12 @@ and is between 256 and 4096 characters. It is defined in the file Format: { 0 | 1 } See arch/parisc/kernel/pdc_chassis.c + percpu_alloc= [X86] Select which percpu first chunk allocator to use. + Allowed values are one of "lpage", "embed" and "4k". + See comments in arch/x86/kernel/setup_percpu.c for + details on each allocator. This parameter is primarily + for debugging and performance comparison. + pf. [PARIDE] See Documentation/blockdev/paride.txt. @@ -2475,7 +2477,8 @@ and is between 256 and 4096 characters. It is defined in the file tp720= [HW,PS2] - trace_buf_size=nn[KMG] [ftrace] will set tracing buffer size. + trace_buf_size=nn[KMG] + [FTRACE] will set tracing buffer size. trix= [HW,OSS] MediaTrix AudioTrix Pro Format: |