[RFC][PATCH v2 04/29] Documentation: kmemdump: add section for coreimage ELF

[Eugen Hristev]

Add section describing the utility of coreimage ELF generation for
kmemdump.

Signed-off-by: Eugen Hristev <eugen.hristev@xxxxxxxxxx>
---
 Documentation/debug/kmemdump.rst | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/debug/kmemdump.rst b/Documentation/debug/kmemdump.rst
index 3301abcaed7e..9c2c23911242 100644
--- a/Documentation/debug/kmemdump.rst
+++ b/Documentation/debug/kmemdump.rst
@@ -17,6 +17,12 @@ kmemdump allows a backend to be connected, this backend interfaces a
 specific hardware that can debug or dump the memory registered into
 kmemdump.
 
+kmemdump can also prepare specific regions of the kernel that can be
+put together to form a minimal core image file. To achieve this, the first
+region is an ELF header with program headers for each region, and specific
+ELF NOTE section with vmcoreinfo. To enable this feature, use
+`CONFIG_KMEMDUMP_COREIMAGE`.
+
 kmemdump Internals
 =============
 
-- 
2.43.0