Re: [PATCH v2] Document/kexec: Generalize crash hotplug description

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Hello Baoquan,

On 13/08/24 10:34, Baoquan He wrote:
On 08/12/24 at 09:46am, Sourabh Jain wrote:
......
---

Changelog:

Since v1: https://lore.kernel.org/all/20240805050829.297171-1-sourabhjain@xxxxxxxxxxxxx/
   - Update crash_hotplug sysfs document as suggested by Petr T
   - Update an error message in crash_handle_hotplug_event and
     crash_check_hotplug_support function.

---
......
diff --git a/kernel/crash_core.c b/kernel/crash_core.c
index 63cf89393c6e..c1048893f4b6 100644
--- a/kernel/crash_core.c
+++ b/kernel/crash_core.c
@@ -505,7 +505,7 @@ int crash_check_hotplug_support(void)
  	crash_hotplug_lock();
  	/* Obtain lock while reading crash information */
  	if (!kexec_trylock()) {
-		pr_info("kexec_trylock() failed, elfcorehdr may be inaccurate\n");
+		pr_info("kexec_trylock() failed, kdump image may be inaccurate\n");
Wondering why this need be updated.

In some architectures, additional kexec segments become obsolete during a hotplug event, so simply calling out the `elfcorehdr may be inaccurate` may not be sufficient.
Therefore, it has been generalized with the kdump image.


Thanks,
Sourabh Jain

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