---
id: pr-vllm-23978
repo: vllm-project/vllm
pr: 23978
title: Feature/vit attention unification# 23880
author: baonudesifeizhai
date: '2025-09-10'
url: https://github.com/vllm-project/vllm/pull/23978
source_category: upstream-code
architectures:
- sm100
tags:
- attention
techniques: []
hardware_features: []
kernel_types:
- attention
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 6cbd41909edaee82786b5a896ccc2fbccd934aa8
inclusion_reason: kernel file changes
changed_paths:
- tests/kernels/attention/test_mha_attn.py
- vllm/attention/layer.py
- vllm/model_executor/models/idefics2_vision_model.py
- vllm/model_executor/models/intern_vit.py
- vllm/model_executor/models/interns1_vit.py
- vllm/model_executor/models/mllama.py
- vllm/model_executor/models/step3_vl.py
- vllm/model_executor/models/vision.py
- vllm/platforms/interface.py
head_ref_oid: e3a2bab196967b5ccfe901186724fd51fcc8fbe8
artifact_dir: evidence/pull-bundles/vllm/gh-23978
---
# Feature/vit attention unification# 23880

- Repository: `vllm-project/vllm`
- PR: [23978](https://github.com/vllm-project/vllm/pull/23978)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `tests/kernels/attention/test_mha_attn.py`
- `vllm/attention/layer.py`
- `vllm/model_executor/models/idefics2_vision_model.py`
- `vllm/model_executor/models/intern_vit.py`
- `vllm/model_executor/models/interns1_vit.py`
- `vllm/model_executor/models/mllama.py`
- `vllm/model_executor/models/step3_vl.py`
- `vllm/model_executor/models/vision.py`
- `vllm/platforms/interface.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-23978`
