---
id: pr-sglang-4218
repo: sgl-project/sglang
pr: 4218
title: Support nextn for flashinfer mla attention backend
author: Fridge003
date: '2025-03-09'
url: https://github.com/sgl-project/sglang/pull/4218
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 9fb48f951f8620d4ad255a2abb2b2aa779ab9d9a
inclusion_reason: defer
changed_paths:
- docs/references/deepseek.md
- python/sglang/srt/layers/attention/flashinfer_mla_backend.py
- python/sglang/srt/models/deepseek_v2.py
- python/sglang/srt/speculative/eagle_worker.py
- test/srt/test_mla_flashinfer.py
artifact_dir: evidence/pull-bundles/sglang/gh-4218
head_ref_oid: 9a0427fc169cecb075f327c037b9c75ba1129818
---
# Support nextn for flashinfer mla attention backend

- Repository: `sgl-project/sglang`
- PR: [4218](https://github.com/sgl-project/sglang/pull/4218)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `docs/references/deepseek.md`
- `python/sglang/srt/layers/attention/flashinfer_mla_backend.py`
- `python/sglang/srt/models/deepseek_v2.py`
- `python/sglang/srt/speculative/eagle_worker.py`
- `test/srt/test_mla_flashinfer.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-4218`
