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-rw-r--r--Documentation/kernel-parameters.txt29
1 files changed, 29 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 176d4fe4f076..bfcb1a62a7b4 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -970,6 +970,18 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
smh Use ARM semihosting calls for early console.
+ s3c2410,<addr>
+ s3c2412,<addr>
+ s3c2440,<addr>
+ s3c6400,<addr>
+ s5pv210,<addr>
+ exynos4210,<addr>
+ Use early console provided by serial driver available
+ on Samsung SoCs, requires selecting proper type and
+ a correct base address of the selected UART port. The
+ serial port must already be setup and configured.
+ Options are not yet supported.
+
earlyprintk= [X86,SH,BLACKFIN,ARM,M68k]
earlyprintk=vga
earlyprintk=efi
@@ -1470,6 +1482,9 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
no_hwp
Do not enable hardware P state control (HWP)
if available.
+ hwp_only
+ Only load intel_pstate on systems which support
+ hardware P state control (HWP) if available.
intremap= [X86-64, Intel-IOMMU]
on enable Interrupt Remapping (default)
@@ -1494,6 +1509,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
forcesac
soft
pt [x86, IA-64]
+ nobypass [PPC/POWERNV]
+ Disable IOMMU bypass, using IOMMU for PCI devices.
io7= [HW] IO7 for Marvel based alpha systems
@@ -3207,6 +3224,18 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
retain_initrd [RAM] Keep initrd memory after extraction
+ rfkill.default_state=
+ 0 "airplane mode". All wifi, bluetooth, wimax, gps, fm,
+ etc. communication is blocked by default.
+ 1 Unblocked.
+
+ rfkill.master_switch_mode=
+ 0 The "airplane mode" button does nothing.
+ 1 The "airplane mode" button toggles between everything
+ blocked and the previous configuration.
+ 2 The "airplane mode" button toggles between everything
+ blocked and everything unblocked.
+
rhash_entries= [KNL,NET]
Set number of hash buckets for route cache