---
id: pr-tensorrt-llm-13157
repo: NVIDIA/TensorRT-LLM
pr: 13157
title: '[https://nvbugs/6086538][fix] suppress misleading skip-softmax FMHA warning in generation'
author: bobboli
date: '2026-04-21'
url: https://github.com/NVIDIA/TensorRT-LLM/pull/13157
source_category: upstream-code
architectures:
- sm100
tags:
- fmha
techniques:
- async-copy
hardware_features:
- tma
kernel_types:
- attention
- softmax
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 3c2bae6f08ef6d5ed84b744f1923ed178b171fd1
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- cpp/tensorrt_llm/kernels/trtllmGenKernels/fmha/trtllmGen_fmha_export/KernelTraits.h
artifact_dir: evidence/pull-bundles/tensorrt-llm/gh-13157
head_ref_oid: 10effe6bcf74d7c03d78312bae0e28d671480a41
---
# [https://nvbugs/6086538][fix] suppress misleading skip-softmax FMHA warning in generation

- Repository: `NVIDIA/TensorRT-LLM`
- PR: [13157](https://github.com/NVIDIA/TensorRT-LLM/pull/13157)
- Decision: `Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.`
- Reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.

## Changed Paths

- `cpp/tensorrt_llm/kernels/trtllmGenKernels/fmha/trtllmGen_fmha_export/KernelTraits.h`

## Evidence Bundle

`evidence/pull-bundles/tensorrt-llm/gh-13157`
