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Message-ID: <20240607152443.925168-1-bmasney@redhat.com>
Date: Fri, 7 Jun 2024 11:24:43 -0400
From: Brian Masney <bmasney@...hat.com>
To: akpm@...ux-foundation.org
Cc: linux-kernel@...r.kernel.org,
javierm@...hat.com
Subject: [PATCH v2] lib/Kconfig.debug: document panic= command line option and procfs entry for PANIC_TIMEOUT
PANIC_TIMEOUT can also be controlled with the panic= kernel command line
option and the file /proc/sys/kernel/panic. Let's document both of
these in the Kconfig help text.
Signed-off-by: Brian Masney <bmasney@...hat.com>
Reviewed-by: Javier Martinez Canillas <javierm@...hat.com>
---
Changes since v1:
- Added /proc/sys/kernel/panic as suggested by Javier.
lib/Kconfig.debug | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 59b6765d86b8..2fc9f0ddde0b 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1043,7 +1043,9 @@ config PANIC_TIMEOUT
Set the timeout value (in seconds) until a reboot occurs when
the kernel panics. If n = 0, then we wait forever. A timeout
value n > 0 will wait n seconds before rebooting, while a timeout
- value n < 0 will reboot immediately.
+ value n < 0 will reboot immediately. This setting can be overridden
+ with the kernel command line option panic=, and from userspace via
+ /proc/sys/kernel/panic.
config LOCKUP_DETECTOR
bool
--
2.45.1
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