1 files changed, 8 insertions, 3 deletions
diff --git a/Documentation/driver-api/crypto/iaa/iaa-crypto.rst b/Documentation/driver-api/crypto/iaa/iaa-crypto.rst
index bba40158dd5c..f815d4fd8372 100644
--- a/Documentation/driver-api/crypto/iaa/iaa-crypto.rst
+++ b/Documentation/driver-api/crypto/iaa/iaa-crypto.rst
@@ -272,7 +272,7 @@ The available attributes are:
       echo async_irq > /sys/bus/dsa/drivers/crypto/sync_mode
 
     Async mode without interrupts (caller must poll) can be enabled by
-    writing 'async' to it::
+    writing 'async' to it (please see Caveat)::
 
       echo async > /sys/bus/dsa/drivers/crypto/sync_mode
 
@@ -283,6 +283,13 @@ The available attributes are:
 
     The default mode is 'sync'.
 
+    Caveat: since the only mechanism that iaa_crypto currently implements
+    for async polling without interrupts is via the 'sync' mode as
+    described earlier, writing 'async' to
+    '/sys/bus/dsa/drivers/crypto/sync_mode' will internally enable the
+    'sync' mode. This is to ensure correct iaa_crypto behavior until true
+    async polling without interrupts is enabled in iaa_crypto.
+
 .. _iaa_default_config:
 
 IAA Default Configuration
@@ -469,7 +476,6 @@ Use the following commands to enable zswap::
   # echo 0 > /sys/module/zswap/parameters/enabled
   # echo 50 > /sys/module/zswap/parameters/max_pool_percent
   # echo deflate-iaa > /sys/module/zswap/parameters/compressor
-  # echo zsmalloc > /sys/module/zswap/parameters/zpool
   # echo 1 > /sys/module/zswap/parameters/enabled
   # echo 100 > /proc/sys/vm/swappiness
   # echo never > /sys/kernel/mm/transparent_hugepage/enabled
@@ -618,7 +624,6 @@ the 'fixed' compression mode::
   echo 0 > /sys/module/zswap/parameters/enabled
   echo 50 > /sys/module/zswap/parameters/max_pool_percent
   echo deflate-iaa > /sys/module/zswap/parameters/compressor
-  echo zsmalloc > /sys/module/zswap/parameters/zpool
   echo 1 > /sys/module/zswap/parameters/enabled
 
   echo 100 > /proc/sys/vm/swappiness