From a450c64a30ab6d450b23587611a726af965618b1 Mon Sep 17 00:00:00 2001
From: Michael Goin <mgoin64@gmail.com>
Date: Mon, 15 Dec 2025 15:18:02 -0500
Subject: [PATCH] [Bugfix] Fail instead of ignoring when CompilationConfig gets
 invalid args (#30708)

Signed-off-by: mgoin <mgoin64@gmail.com>
---
 tests/benchmarks/test_param_sweep.py | 8 --------
 vllm/config/compilation.py           | 8 ++++----
 2 files changed, 4 insertions(+), 12 deletions(-)

diff --git a/tests/benchmarks/test_param_sweep.py b/tests/benchmarks/test_param_sweep.py
index 0d47cfd9d6230..467797d9915c9 100644
--- a/tests/benchmarks/test_param_sweep.py
+++ b/tests/benchmarks/test_param_sweep.py
@@ -23,14 +23,6 @@ class TestParameterSweepItem:
                 {"compilation_config.use_inductor_graph_partition": True},
                 "--compilation-config.use_inductor_graph_partition=true",
             ),
-            (
-                {"compilation_config.use_inductor": False},
-                "--compilation-config.use_inductor=false",
-            ),
-            (
-                {"compilation_config.use_inductor": True},
-                "--compilation-config.use_inductor=true",
-            ),
         ],
     )
     def test_nested_boolean_params(self, input_dict, expected):
diff --git a/vllm/config/compilation.py b/vllm/config/compilation.py
index 568a01bd9db91..1fdb843e1a7c7 100644
--- a/vllm/config/compilation.py
+++ b/vllm/config/compilation.py
@@ -8,7 +8,7 @@ from dataclasses import field
 from pathlib import Path
 from typing import TYPE_CHECKING, Any, ClassVar, Literal
 
-from pydantic import Field, TypeAdapter, field_validator
+from pydantic import ConfigDict, Field, TypeAdapter, field_validator
 from pydantic.dataclasses import dataclass
 
 import vllm.envs as envs
@@ -96,7 +96,7 @@ class CUDAGraphMode(enum.Enum):
 
 
 @config
-@dataclass
+@dataclass(config=ConfigDict(extra="forbid"))
 class PassConfig:
     """Configuration for custom Inductor passes.
 
@@ -251,7 +251,7 @@ class DynamicShapesType(str, enum.Enum):
 
 
 @config
-@dataclass
+@dataclass(config=ConfigDict(extra="forbid"))
 class DynamicShapesConfig:
     """Configuration to control/debug torch compile dynamic shapes."""
 
@@ -290,7 +290,7 @@ class DynamicShapesConfig:
 
 
 @config
-@dataclass
+@dataclass(config=ConfigDict(extra="forbid"))
 class CompilationConfig:
     """Configuration for compilation.