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authorMika Westerberg2010-11-18 19:14:52 +0100
committerRussell King2010-11-30 14:40:05 +0100
commitcb5d39b3a1440eca79c742d95f1d78180c272286 (patch)
treee7093626af5ed12ed14493f164f23c14d1a9b6bd /arch/arm/Kconfig
parentARM: 6486/1: provide zero vmcore_elf64_check_arch() (diff)
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ARM: 6487/1: add CONFIG_CRASH_DUMP to Kconfig
Add CONFIG_CRASH_DUMP configuration option which is used by dump capture kernels. Signed-off-by: Mika Westerberg <mika.westerberg@iki.fi> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/Kconfig')
-rw-r--r--arch/arm/Kconfig13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index db524e75c4a2..03582fd14b87 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1650,6 +1650,19 @@ config ATAGS_PROC
Should the atags used to boot the kernel be exported in an "atags"
file in procfs. Useful with kexec.
+config CRASH_DUMP
+ bool "Build kdump crash kernel (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
+
+ For more details see Documentation/kdump/kdump.txt
+
config AUTO_ZRELADDR
bool "Auto calculation of the decompressed kernel image address"
depends on !ZBOOT_ROM && !ARCH_U300