---
id: pr-vllm-24600
repo: vllm-project/vllm
pr: 24600
title: '[Bugfix] Refactor Flashinfer TRTLLM attention kernel selection logic'
author: elvischenv
date: '2025-09-17'
url: https://github.com/vllm-project/vllm/pull/24600
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: e67a79db03752e9ab7ed216bc99c30a16f45a33e
inclusion_reason: defer
changed_paths:
- vllm/envs.py
- vllm/utils/flashinfer.py
- vllm/v1/attention/backends/flashinfer.py
artifact_dir: evidence/pull-bundles/vllm/gh-24600
head_ref_oid: a17f14833996e8abe097a1a89190fcdff12de9c7
---
# [Bugfix] Refactor Flashinfer TRTLLM attention kernel selection logic

- Repository: `vllm-project/vllm`
- PR: [24600](https://github.com/vllm-project/vllm/pull/24600)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `vllm/envs.py`
- `vllm/utils/flashinfer.py`
- `vllm/v1/attention/backends/flashinfer.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-24600`
