---
id: pr-vllm-24774
repo: vllm-project/vllm
pr: 24774
title: '[Bug] Fix `is_flashmla_supported` Check Error'
author: yewentao256
date: '2025-09-16'
url: https://github.com/vllm-project/vllm/pull/24774
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: b42566f44039ed8dc5f6c124203d5d71740c6fe0
inclusion_reason: kernel file changes
changed_paths:
- vllm/attention/backends/flashmla.py
- vllm/v1/attention/backends/mla/flashmla.py
head_ref_oid: 1bf75ad3bdec5c0f2ad52a4a44ac8828cbd1ab3f
artifact_dir: evidence/pull-bundles/vllm/gh-24774
---
# [Bug] Fix `is_flashmla_supported` Check Error

- Repository: `vllm-project/vllm`
- PR: [24774](https://github.com/vllm-project/vllm/pull/24774)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/attention/backends/flashmla.py`
- `vllm/v1/attention/backends/mla/flashmla.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-24774`
