diff options
| author | Andi Kleen <ak@suse.de> | 2006-09-26 04:52:35 -0400 |
|---|---|---|
| committer | Andi Kleen <andi@basil.nowhere.org> | 2006-09-26 04:52:35 -0400 |
| commit | 1edf777803bdd2aeeb04cf44508fd9b88737fba8 (patch) | |
| tree | 5b583b439d5fbee22e2c391be9c6c172e34ae222 /arch | |
| parent | cbf9b4bb76c9ce53b7fdde0dffcd000951b5f0d4 (diff) | |
[PATCH] i386/x86-64: Improve Kconfig description of CRASH_DUMP
Improve Kconfig description of CONFIG_CRASH_DUMP. Previously
it was too brief to be useful.
Cc: vgoyal@in.ibm.com
Cc: ebiederm@xmission.com
Signed-off-by: Andi Kleen <ak@suse.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/i386/Kconfig | 7 | ||||
| -rw-r--r-- | arch/x86_64/Kconfig | 9 |
2 files changed, 15 insertions, 1 deletions
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index c134a545b37e..e34a4dbd6b92 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig | |||
| @@ -761,6 +761,13 @@ config CRASH_DUMP | |||
| 761 | depends on HIGHMEM | 761 | depends on HIGHMEM |
| 762 | help | 762 | help |
| 763 | Generate crash dump after being started by kexec. | 763 | Generate crash dump after being started by kexec. |
| 764 | This should be normally only set in special crash dump kernels | ||
| 765 | which are loaded in the main kernel with kexec-tools into | ||
| 766 | a specially reserved region and then later executed after | ||
| 767 | a crash by kdump/kexec. The crash dump kernel must be compiled | ||
| 768 | to a memory address not used by the main kernel or BIOS using | ||
| 769 | PHYSICAL_START. | ||
| 770 | For more details see Documentation/kdump/kdump.txt | ||
| 764 | 771 | ||
| 765 | config PHYSICAL_START | 772 | config PHYSICAL_START |
| 766 | hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP) | 773 | hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP) |
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig index 6cd4878625f1..927b392a4aa0 100644 --- a/arch/x86_64/Kconfig +++ b/arch/x86_64/Kconfig | |||
| @@ -488,7 +488,14 @@ config CRASH_DUMP | |||
| 488 | bool "kernel crash dumps (EXPERIMENTAL)" | 488 | bool "kernel crash dumps (EXPERIMENTAL)" |
| 489 | depends on EXPERIMENTAL | 489 | depends on EXPERIMENTAL |
| 490 | help | 490 | help |
| 491 | Generate crash dump after being started by kexec. | 491 | Generate crash dump after being started by kexec. |
| 492 | This should be normally only set in special crash dump kernels | ||
| 493 | which are loaded in the main kernel with kexec-tools into | ||
| 494 | a specially reserved region and then later executed after | ||
| 495 | a crash by kdump/kexec. The crash dump kernel must be compiled | ||
| 496 | to a memory address not used by the main kernel or BIOS using | ||
| 497 | PHYSICAL_START. | ||
| 498 | For more details see Documentation/kdump/kdump.txt | ||
| 492 | 499 | ||
| 493 | config PHYSICAL_START | 500 | config PHYSICAL_START |
| 494 | hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP) | 501 | hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP) |