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authorPaul Mundt <lethal@linux-sh.org>2007-04-27 11:25:57 +0900
committerPaul Mundt <lethal@hera.kernel.org>2007-05-07 02:11:56 +0000
commit4d5ade5b29c618e97a8988efb6967cb4dd0e2183 (patch)
tree376d71458747e23e7f5171b9914b0d516cad7c7b /arch/sh/Kconfig
parentdb62e5bd297d1f325811c5495ad23de36db0fdd4 (diff)
sh: kdump support.
This adds support for kexec based crash dumps. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/Kconfig')
-rw-r--r--arch/sh/Kconfig14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 0b465d622cf..dfdfaae6772 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -551,6 +551,20 @@ config KEXEC
support. As of this writing the exact hardware interface is
strongly in flux, so no good recommendation can be made.
+config CRASH_DUMP
+ bool "kernel crash dumps (EXPERIMENTAL)"
+ depends on EXPERIMENTAL
+ help
+ Generate crash dump after being started by kexec.
+ This should be normally only set in special crash dump kernels
+ which are loaded in the main kernel with kexec-tools into
+ a specially reserved region and then later executed after
+ a crash by kdump/kexec. The crash dump kernel must be compiled
+ to a memory address not used by the main kernel using
+ MEMORY_START.
+
+ For more details see Documentation/kdump/kdump.txt
+
config SMP
bool "Symmetric multi-processing support"
---help---