[PATCH] kdump: x86_64: add elfcorehdr command line option

[mirror_ubuntu-artful-kernel.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 12b7d938a897f2ce0564a1a9d9bc6fa388f95afd..dd0bfc291a682e60c39441d07ef0be026dceabee 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -475,10 +475,11 @@ running once the system is up.
                        See Documentation/block/as-iosched.txt and
                        Documentation/block/deadline-iosched.txt for details.
 
-       elfcorehdr=     [IA-32]
+       elfcorehdr=     [IA-32, X86_64]
                        Specifies physical address of start of kernel core
-                       image elf header.
-                       See Documentation/kdump.txt for details.
+                       image elf header. Generally kexec loader will
+                       pass this option to capture kernel.
+                       See Documentation/kdump/kdump.txt for details.
 
        enforcing       [SELINUX] Set initial enforcing status.
                        Format: {"0" | "1"}