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doc, kernel-parameters: Document 'console=hvc<n>'
[pandora-kernel.git]
/
Documentation
/
kernel-parameters.txt
diff --git
a/Documentation/kernel-parameters.txt
b/Documentation/kernel-parameters.txt
index
a0c5c5f
..
ddbf18e
100644
(file)
--- a/
Documentation/kernel-parameters.txt
+++ b/
Documentation/kernel-parameters.txt
@@
-315,12
+315,12
@@
bytes respectively. Such letter suffixes can also be entirely omitted.
CPU-intensive style benchmark, and it can vary highly in
a microbenchmark depending on workload and compiler.
CPU-intensive style benchmark, and it can vary highly in
a microbenchmark depending on workload and compiler.
-
1
: only for 32-bit processes
-
2
: only for 64-bit processes
+
32
: only for 32-bit processes
+
64
: only for 64-bit processes
on: enable for both 32- and 64-bit processes
off: disable for both 32- and 64-bit processes
on: enable for both 32- and 64-bit processes
off: disable for both 32- and 64-bit processes
- amd_iommu= [HW,X86-
8
4]
+ amd_iommu= [HW,X86-
6
4]
Pass parameters to the AMD IOMMU driver in the system.
Possible values are:
fullflush - enable flushing of IO/TLB entries when
Pass parameters to the AMD IOMMU driver in the system.
Possible values are:
fullflush - enable flushing of IO/TLB entries when
@@
-552,6
+552,8
@@
bytes respectively. Such letter suffixes can also be entirely omitted.
UART at the specified I/O port or MMIO address,
switching to the matching ttyS device later. The
options are the same as for ttyS, above.
UART at the specified I/O port or MMIO address,
switching to the matching ttyS device later. The
options are the same as for ttyS, above.
+ hvc<n> Use the hypervisor console device <n>. This is for
+ both Xen and PowerPC hypervisors.
If the device connected to the port is not a TTY but a braille
device, prepend "brl," before the device type, for instance
If the device connected to the port is not a TTY but a braille
device, prepend "brl," before the device type, for instance
@@
-703,6
+705,7
@@
bytes respectively. Such letter suffixes can also be entirely omitted.
earlyprintk= [X86,SH,BLACKFIN]
earlyprintk=vga
earlyprintk= [X86,SH,BLACKFIN]
earlyprintk=vga
+ earlyprintk=xen
earlyprintk=serial[,ttySn[,baudrate]]
earlyprintk=ttySn[,baudrate]
earlyprintk=dbgp[debugController#]
earlyprintk=serial[,ttySn[,baudrate]]
earlyprintk=ttySn[,baudrate]
earlyprintk=dbgp[debugController#]
@@
-720,6
+723,8
@@
bytes respectively. Such letter suffixes can also be entirely omitted.
The VGA output is eventually overwritten by the real
console.
The VGA output is eventually overwritten by the real
console.
+ The xen output can only be used by Xen PV guests.
+
ekgdboc= [X86,KGDB] Allow early kernel console debugging
ekgdboc=kbd
ekgdboc= [X86,KGDB] Allow early kernel console debugging
ekgdboc=kbd