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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-21 11:10:41 -0700 |
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| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-21 11:10:41 -0700 |
| commit | ac3ee84c604502240122c47b52f0542ec8774f15 (patch) | |
| tree | fa74b50e310af6cef3298a052514b2d42b260d6b /Documentation | |
| parent | 90b9a32d8f441369b2f97a765d2d957b531eb653 (diff) | |
| parent | 4fe1da4ebc18c4c42fa56c228447f68033fce5f0 (diff) | |
| download | linux-ac3ee84c604502240122c47b52f0542ec8774f15.tar.gz linux-ac3ee84c604502240122c47b52f0542ec8774f15.tar.bz2 linux-ac3ee84c604502240122c47b52f0542ec8774f15.zip | |
Merge branch 'dbg-early-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb
* 'dbg-early-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb:
echi-dbgp: Add kernel debugger support for the usb debug port
earlyprintk,vga,kdb: Fix \b and \r for earlyprintk=vga with kdb
kgdboc: Add ekgdboc for early use of the kernel debugger
x86,early dr regs,kgdb: Allow kernel debugger early dr register access
x86,kgdb: Implement early hardware breakpoint debugging
x86, kgdb, init: Add early and late debug states
x86, kgdb: early trap init for early debug
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index bdce359820bb..f5fce483930c 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -713,6 +713,12 @@ and is between 256 and 4096 characters. It is defined in the file The VGA output is eventually overwritten by the real console. + ekgdboc= [X86,KGDB] Allow early kernel console debugging + ekgdboc=kbd + + This is desgined to be used in conjunction with + the boot argument: earlyprintk=vga + eata= [HW,SCSI] edd= [EDD] @@ -1121,6 +1127,17 @@ and is between 256 and 4096 characters. It is defined in the file use the HighMem zone if it exists, and the Normal zone if it does not. + kgdbdbgp= [KGDB,HW] kgdb over EHCI usb debug port. + Format: <Controller#>[,poll interval] + The controller # is the number of the ehci usb debug + port as it is probed via PCI. The poll interval is + optional and is the number seconds in between + each poll cycle to the debug port in case you need + the functionality for interrupting the kernel with + gdb or control-c on the dbgp connection. When + not using this parameter you use sysrq-g to break into + the kernel debugger. + kgdboc= [KGDB,HW] kgdb over consoles. Requires a tty driver that supports console polling, or a supported polling keyboard driver (non-usb). |