Commit 1edf7778 authored by Andi Kleen's avatar Andi Kleen Committed by Andi Kleen
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[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: default avatarAndi Kleen <ak@suse.de>
parent cbf9b4bb

arch/i386/Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -761,6 +761,13 @@ config CRASH_DUMP 
	depends on HIGHMEM

	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 or BIOS using

          PHYSICAL_START.

	  For more details see Documentation/kdump/kdump.txt



config PHYSICAL_START

	hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP)

arch/x86_64/Kconfig

+8 −1
Original line number Diff line number Diff line
@@ -489,6 +489,13 @@ config CRASH_DUMP 
	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 or BIOS using

	  PHYSICAL_START.

          For more details see Documentation/kdump/kdump.txt



config PHYSICAL_START

	hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP)