---
id: pr-vllm-33177
repo: vllm-project/vllm
pr: 33177
title: '[Attention] Use `has_flashinfer` helper'
author: MatthewBonanni
date: '2026-01-27'
url: https://github.com/vllm-project/vllm/pull/33177
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- mla
techniques: []
hardware_features: []
kernel_types:
- attention
- mla
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 1cbccb6dbabd6f80d50d615a3987e813caf5c8af
inclusion_reason: kernel file changes
changed_paths:
- vllm/model_executor/layers/attention/mla_attention.py
head_ref_oid: 1b7134cc0b0cd3b3a6cc0ca24c427f374b7af004
artifact_dir: evidence/pull-bundles/vllm/gh-33177
---
# [Attention] Use `has_flashinfer` helper

- Repository: `vllm-project/vllm`
- PR: [33177](https://github.com/vllm-project/vllm/pull/33177)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/model_executor/layers/attention/mla_attention.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-33177`
