Thread (23 messages) flat view 23 messages, 4 authors, 2026-03-17

Re: [PATCH v5 14/15] mm/kasan: add document into kernel-parameters.txt

From: Samuel Holland <samuel.holland@sifive.com>
Date: 2026-03-12 12:53:45
Also in: linux-arm-kernel, linux-mm, linux-riscv, linux-s390, linux-um, lkml, loongarch

Hi Baoquan,

On 2026-02-25 2:14 AM, Baoquan He wrote:
quoted hunk ↗ jump to hunk
And also remove the relevant description in dev-tools/kasan.rst
which is hw_tags specificially.

Signed-off-by: Baoquan He <redacted>
---
 Documentation/admin-guide/kernel-parameters.txt | 4 ++++
 Documentation/dev-tools/kasan.rst               | 2 --
 2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index cb850e5290c2..e0115fad9e60 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -2899,6 +2899,10 @@ Kernel parameters
 	js=		[HW,JOY] Analog joystick
 			See Documentation/input/joydev/joystick.rst.
 
+	kasan=		[KNL] controls whether KASAN is enabled.
+			Format: off | on
+			default: on
+
 	kasan_multi_shot
 			[KNL] Enforce KASAN (Kernel Address Sanitizer) to print
 			report on every invalid memory access. Without this
diff --git a/Documentation/dev-tools/kasan.rst b/Documentation/dev-tools/kasan.rst
index a034700da7c4..eaae83fcb5e4 100644
--- a/Documentation/dev-tools/kasan.rst
+++ b/Documentation/dev-tools/kasan.rst
@@ -129,8 +129,6 @@ Hardware Tag-Based KASAN mode is intended for use in production as a security
 mitigation. Therefore, it supports additional boot parameters that allow
 disabling KASAN altogether or controlling its features:
The sentence above is now incorrect as well. I would recommend documenting the
parameter earlier in the "Boot parameters" section instead of removing it from
this document entirely.

Regards,
Samuel
 
-- ``kasan=off`` or ``=on`` controls whether KASAN is enabled (default: ``on``).
-
 - ``kasan.mode=sync``, ``=async`` or ``=asymm`` controls whether KASAN
   is configured in synchronous, asynchronous or asymmetric mode of
   execution (default: ``sync``).
  
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