[Deprecation] Deprecation --convert reward, use --convert embed instead. (#30463)

Signed-off-by: wang.yuqi <yuqi.wang@daocloud.io>

docs/models/pooling_models.md

@@ -316,10 +316,13 @@ We have split the `encode` task into two more specific token-wise tasks: `token_
 
 ### Remove softmax from PoolingParams
 
-We are going to remove `softmax` and `activation` from `PoolingParams`. Instead, use `use_activation`, since we allow `classify` and `token_classify` to use any activation function.
+We are going to remove `softmax` and `activation` from `PoolingParams` in v0.15. Instead, use `use_activation`, since we allow `classify` and `token_classify` to use any activation function.
 
 ### as_reward_model
 
+!!! warning
+    We are going to remove `--convert reward` in v0.15, use `--convert embed` instead.
+
 Pooling models now default support all pooling, you can use it without any settings.
 
 - Extracting hidden states prefers using `token_embed` task.

vllm/config/model.py

@@ -788,6 +788,13 @@ class ModelConfig:
         runner_type: RunnerType,
         convert: ConvertOption,
     ) -> ConvertType:
+        if convert == "reward":
+            logger.warning(
+                "`--convert reward` is deprecated and will be removed in v0.15. "
+                "Please use `--convert embed` instead."
+            )
+            return "embed"
+
         if convert != "auto":
             return convert
 

vllm/config/pooler.py

@@ -111,13 +111,15 @@ class PoolerConfig:
 def get_use_activation(o: object):
     if softmax := getattr(o, "softmax", None) is not None:
         logger.warning_once(
-            "softmax will be deprecated, please use use_activation instead."
+            "softmax will be deprecated and will be removed in v0.15. "
+            "Please use use_activation instead."
         )
         return softmax
 
     if activation := getattr(o, "activation", None) is not None:
         logger.warning_once(
-            "activation will be deprecated, please use use_activation instead."
+            "activation will be deprecated and will be removed in v0.15. "
+            "Please use use_activation instead."
         )
         return activation