docs: sysfs-devices-system-cpu: document "asymm" value for mte_tcf_preferred

It was added in commit 766121ba5de3 ("arm64/mte: Add userspace interface
for enabling asymmetric mode").

Signed-off-by: Evgenii Stepanov <eugenis@google.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220309215943.87831-1-eugenis@google.com
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu
index 61f5676..2281d5e 100644 (file)
--- a/Documentation/ABI/testing/sysfs-devices-system-cpu
+++ b/Documentation/ABI/testing/sysfs-devices-system-cpu
@@ -662,6 +662,7 @@ Description:        Preferred MTE tag checking mode
 
                ================  ==============================================
                "sync"            Prefer synchronous mode
+               "asymm"           Prefer asymmetric mode
                "async"           Prefer asynchronous mode
                ================  ==============================================