---
id: pr-flashinfer-2175
repo: flashinfer-ai/flashinfer
pr: 2175
title: 'fix: compile flags for trtllm fmha_v2 '
author: jimmyzho
date: '2025-12-05'
url: https://github.com/flashinfer-ai/flashinfer/pull/2175
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- flash-attention
- prefill
techniques: []
hardware_features: []
kernel_types:
- attention
- flash-attention
- prefill
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: cc50469514e5cbdde46872d942faba7b3e1a1d2d
inclusion_reason: kernel file changes
changed_paths:
- .pre-commit-config.yaml
- flashinfer/jit/attention/fmha_v2/generator_utils.py
- flashinfer/jit/attention/modules.py
- flashinfer/prefill.py
- tests/attention/test_fmha_v2_prefill_deepseek.py
head_ref_oid: 1e7fe36b8a4e3633ead2f0a68c8ef529b214369c
artifact_dir: evidence/pull-bundles/flashinfer/gh-2175
---
# fix: compile flags for trtllm fmha_v2 

- Repository: `flashinfer-ai/flashinfer`
- PR: [2175](https://github.com/flashinfer-ai/flashinfer/pull/2175)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `.pre-commit-config.yaml`
- `flashinfer/jit/attention/fmha_v2/generator_utils.py`
- `flashinfer/jit/attention/modules.py`
- `flashinfer/prefill.py`
- `tests/attention/test_fmha_v2_prefill_deepseek.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2175`
