---
id: pr-sglang-17115
repo: sgl-project/sglang
pr: 17115
title: Enable XQA for SM90 and SM120
author: samuellees
date: '2026-03-03'
url: https://github.com/sgl-project/sglang/pull/17115
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- attention
techniques: []
hardware_features: []
kernel_types:
- attention
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 5b2e2750b555182a29e718a42464be43bd4ec551
inclusion_reason: kernel file changes
changed_paths:
- docs/advanced_features/attention_backend.md
- python/sglang/srt/layers/attention/hybrid_attn_backend.py
- python/sglang/srt/layers/attention/trtllm_mha_backend.py
- python/sglang/srt/server_args.py
head_ref_oid: d1df77278b93b059bfffbd42a983ac8468f68f6a
artifact_dir: evidence/pull-bundles/sglang/gh-17115
---
# Enable XQA for SM90 and SM120

- Repository: `sgl-project/sglang`
- PR: [17115](https://github.com/sgl-project/sglang/pull/17115)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `docs/advanced_features/attention_backend.md`
- `python/sglang/srt/layers/attention/hybrid_attn_backend.py`
- `python/sglang/srt/layers/attention/trtllm_mha_backend.py`
- `python/sglang/srt/server_args.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-17115`
