[PATCH] documentation: Add nodebugmon for arm64 platforms

Anshuman Khandual anshuman.khandual at arm.com
Tue Apr 15 23:27:06 PDT 2025


Add an entry for nodebugmon which has been used on arm64 platforms.

Cc: Jonathan Corbet <corbet at lwn.net>
Cc: Andrew Morton <akpm at linux-foundation.org>
Cc: Catalin Marinas <catalin.marinas at arm.com>
Cc: Will Deacon <will at kernel.org>
Cc: Mark Rutland <mark.rutland at arm.com>
Cc: linux-doc at vger.kernel.org
Cc: linux-kernel at vger.kernel.org
Cc: linux-arm-kernel at lists.infradead.org
Signed-off-by: Anshuman Khandual <anshuman.khandual at arm.com>
---
This patch applies on v6.15-rc2

 Documentation/admin-guide/kernel-parameters.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index d9fd26b95b34..f4a313d6c0ab 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -4085,6 +4085,13 @@
 			/sys/module/printk/parameters/console_suspend) to
 			turn on/off it dynamically.
 
+	nodebugmon
+			[HW,ARM64] Disable debug monitor
+			Disables the debug monitor exception handling on the platform
+			regardless whether breakpoints and watchpoints are programmed
+			or not. This prevents debug exceptions from being enabled via
+			MDSCR_EL1 register.
+
 	no_debug_objects
 			[KNL,EARLY] Disable object debugging
 
-- 
2.25.1




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