---
id: pr-flashinfer-814
repo: flashinfer-ai/flashinfer
pr: 814
title: 'feat: unlock MLA attention for sm89 (L40/L40s/4090)'
author: yzh119
date: '2025-02-12'
url: https://github.com/flashinfer-ai/flashinfer/pull/814
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- mla
techniques: []
hardware_features: []
kernel_types:
- attention
- mla
languages:
- cuda-cpp
captured_at: '2026-04-17'
status: merged
merge_sha: 3de690a1a39df291b7f826a02c15803a4e446835
inclusion_reason: kernel file changes
changed_paths:
- include/flashinfer/attention/mla_fa2.cuh
head_ref_oid: f181fcb7c326a0b41e2f15ade319f01d493417f3
artifact_dir: evidence/pull-bundles/flashinfer/gh-814
---
# feat: unlock MLA attention for sm89 (L40/L40s/4090)

- Repository: `flashinfer-ai/flashinfer`
- PR: [814](https://github.com/flashinfer-ai/flashinfer/pull/814)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `include/flashinfer/attention/mla_fa2.cuh`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-814`
