---
id: pr-vllm-31195
repo: vllm-project/vllm
pr: 31195
title: '[SM100] Resubmit FMHA FP8 prefill for MLA'
author: pavanimajety
date: '2026-02-10'
url: https://github.com/vllm-project/vllm/pull/31195
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- flash-attention
- fp8
- mla
- prefill
techniques: []
hardware_features:
- fp8
kernel_types:
- attention
- flash-attention
- mla
- prefill
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 578977bb5ed208c62cf9cff80d955836775e0d24
inclusion_reason: kernel file changes
changed_paths:
- tests/v1/attention/test_mla_backends.py
- vllm/config/attention.py
- vllm/model_executor/layers/attention/mla_attention.py
head_ref_oid: aa2888f9c3ce21aa314eb6ff4c1d00b76fac0614
artifact_dir: evidence/pull-bundles/vllm/gh-31195
---
# [SM100] Resubmit FMHA FP8 prefill for MLA

- Repository: `vllm-project/vllm`
- PR: [31195](https://github.com/vllm-project/vllm/pull/31195)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `tests/v1/attention/test_mla_backends.py`
- `vllm/config/attention.py`
- `vllm/model_executor/layers/attention/mla_attention.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-31195`
