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docs: admin-guide: Handle TAINT_FORCED_BIND when parsing /proc/sys/kernel/tainted

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tainted-kernels.rst contains a small script to check which taint bits
are set in /proc/sys/kernel/tainted. Add one more loop iteration to also
handle the newly added TAINT_FORCED_BIND bit.

Also simplify by starting the loop at 0 and save subtracting 1 for each
usage of the loop counter.

Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Fixes: fcbfaffee5 ("driver core: add TAINT_FORCED_BIND for when userspace manually messes with devices and drivers")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Reviewed-by: Bradley Morgan <brads@mainlining.org>
Tested-by: Bradley Morgan <brads@mainlining.org> # Power10
Link: https://patch.msgid.link/bf400c123ec86a7192388ad23cfe4194f536937e.1790612298.git.u.kleine-koenig@baylibre.com
[ Fix a typo in the commit message. - Danilo ]
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
This commit is contained in:
Uwe Kleine-König 2026-09-28 18:46:02 +02:00 committed by Danilo Krummrich
parent a85ce03a58
commit f1850e443b
1 changed files with 1 additions and 1 deletions
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Documentation/admin-guide/tainted-kernels.rst
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@ -74,7 +74,7 @@ a particular type of taint. It's best to leave that to the aforementioned
script, but if you need something quick you can use this shell command to check
which bits are set::
$ for i in $(seq 20); do echo $(($i-1)) $(($(cat /proc/sys/kernel/tainted)>>($i-1)&1));done
$ for i in $(seq 0 20); do echo $i $(($(cat /proc/sys/kernel/tainted)>>$i&1));done
Table for decoding tainted state
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~