diff options
Diffstat (limited to 'arch/i386')
| -rw-r--r-- | arch/i386/Kconfig | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index c134a545b37..e34a4dbd6b9 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -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) |