diff mbox series

[v1,3/3] ramoops: add dump_all optional field to ramoops DT node

Message ID 20200502143555.543636-4-pasha.tatashin@soleen.com
State New
Headers show
Series allow ramoops to collect all kmesg_dump events | expand

Commit Message

Pasha Tatashin May 2, 2020, 2:35 p.m. UTC
Currently, it is possible to dump kmesges for panic, or oops.
With dump_all it is possible to dump messages for kmesg_dump events,
for example reboot, halt, shutdown, kexec.

Signed-off-by: Pavel Tatashin <pasha.tatashin@soleen.com>
---
 Documentation/devicetree/bindings/reserved-memory/ramoops.txt | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/reserved-memory/ramoops.txt b/Documentation/devicetree/bindings/reserved-memory/ramoops.txt
index 0eba562fe5c6..3ce424c9ad4c 100644
--- a/Documentation/devicetree/bindings/reserved-memory/ramoops.txt
+++ b/Documentation/devicetree/bindings/reserved-memory/ramoops.txt
@@ -47,5 +47,8 @@  Optional properties:
 
 - no-dump-oops: if present, only dump panics (defaults to panics and oops)
 
+- dump-all: if present, dump kernel messages during all kmesg dump events.
+  Reasons are specified in include/linux/kmsg_dump.h KMSG_DUMP_*
+
 - flags: if present, pass ramoops behavioral flags (defaults to 0,
   see include/linux/pstore_ram.h RAMOOPS_FLAG_* for flag values).