linux-kernel - [PATCH] docs: admin-guide: update tiny script for number of taint flags

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Message-ID: <20251014031538.764059-1-rdunlap@infradead.org>
Date: Mon, 13 Oct 2025 20:15:38 -0700
From: Randy Dunlap <rdunlap@...radead.org>
To: linux-kernel@...r.kernel.org
Cc: Randy Dunlap <rdunlap@...radead.org>,
	Jason Gunthorpe <jgg@...dia.com>,
	David Gow <davidgow@...gle.com>,
	Shuah Khan <skhan@...uxfoundation.org>,
	Jonathan Corbet <corbet@....net>,
	linux-doc@...r.kernel.org
Subject: [PATCH] docs: admin-guide: update tiny script for number of taint flags

Account for 2 new taint flags being added by increasing the number of
bits handled by the tiny show-tainted-flags example script.

Fixes: 8eea4e744758 ("taint: Add TAINT_FWCTL")
Fixes: 2852ca7fba9f ("panic: Taint kernel if tests are run")
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
---
Cc: Jason Gunthorpe <jgg@...dia.com>
Cc: David Gow <davidgow@...gle.com>
Cc: Shuah Khan <skhan@...uxfoundation.org>
Cc: Jonathan Corbet <corbet@....net>
Cc: linux-doc@...r.kernel.org
---
 Documentation/admin-guide/tainted-kernels.rst |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-next-20251013.orig/Documentation/admin-guide/tainted-kernels.rst
+++ linux-next-20251013/Documentation/admin-guide/tainted-kernels.rst
@@ -74,7 +74,7 @@ a particular type of taint. It's best to
 script, but if you need something quick you can use this shell command to check
 which bits are set::
 
-	$ for i in $(seq 18); do echo $(($i-1)) $(($(cat /proc/sys/kernel/tainted)>>($i-1)&1));done
+	$ for i in $(seq 20); do echo $(($i-1)) $(($(cat /proc/sys/kernel/tainted)>>($i-1)&1));done
 
 Table for decoding tainted state
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~