Merging upstream version 6.9.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 8 insertions, 20 deletions

diff --git a/Documentation/dev-tools/ubsan.rst b/Documentation/dev-tools/ubsan.rst
index 2de7c63415..e3591f8e9d 100644
--- a/Documentation/dev-tools/ubsan.rst
+++ b/Documentation/dev-tools/ubsan.rst
@@ -49,34 +49,22 @@ Report example
 Usage
 -----
 
-To enable UBSAN configure kernel with::
+To enable UBSAN, configure the kernel with::
 
-	CONFIG_UBSAN=y
+  CONFIG_UBSAN=y
 
-and to check the entire kernel::
-
-        CONFIG_UBSAN_SANITIZE_ALL=y
-
-To enable instrumentation for specific files or directories, add a line
-similar to the following to the respective kernel Makefile:
-
-- For a single file (e.g. main.o)::
-
-    UBSAN_SANITIZE_main.o := y
-
-- For all files in one directory::
-
-    UBSAN_SANITIZE := y
-
-To exclude files from being instrumented even if
-``CONFIG_UBSAN_SANITIZE_ALL=y``, use::
+To exclude files from being instrumented use::
 
   UBSAN_SANITIZE_main.o := n
 
-and::
+and to exclude all targets in one directory use::
 
   UBSAN_SANITIZE := n
 
+When disabled for all targets, specific files can be enabled using::
+
+  UBSAN_SANITIZE_main.o := y
+
 Detection of unaligned accesses controlled through the separate option -
 CONFIG_UBSAN_ALIGNMENT. It's off by default on architectures that support
 unaligned accesses (CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y). One could