Documentation: kdump: clean up the outdated description

After commit 443cbaf9e2 ("crash: split vmcoreinfo exporting code out
from crash_core.c"), Kconfig item CRASH_CORE has gone away in kernel. 
Items VMCORE_INFO and CRASH_RESERVE are used instead.

So clean up the outdated description about CRASH_CORE and update it
accordingly.

Link: https://lkml.kernel.org/r/20240329132825.1102459-3-bhe@redhat.com
Signed-off-by: Baoquan He <bhe@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: WANG Xuerui <kernel@xen0n.name>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Baoquan He 2024-03-29 21:28:25 +08:00 committed by Andrew Morton
parent fc07d2a211
commit b0f970c50d

View File

@ -136,10 +136,6 @@ System kernel config options
CONFIG_KEXEC_CORE=y
Subsequently, CRASH_CORE is selected by KEXEC_CORE::
CONFIG_CRASH_CORE=y
2) Enable "sysfs file system support" in "Filesystem" -> "Pseudo
filesystems." This is usually enabled by default::
@ -168,6 +164,10 @@ Dump-capture kernel config options (Arch Independent)
CONFIG_CRASH_DUMP=y
And this will select VMCORE_INFO and CRASH_RESERVE::
CONFIG_VMCORE_INFO=y
CONFIG_CRASH_RESERVE=y
2) Enable "/proc/vmcore support" under "Filesystems" -> "Pseudo filesystems"::
CONFIG_PROC_VMCORE=y