[https://nvbugs/6029882][fix] Fix attentionOp fp8 mla kvreuse workspace calculation

[pengbowang-nv]

Summary by CodeRabbit

• Tests
  • Removed a test waiver entry, enabling an additional test variant to run in the test suite.

Description

Test Coverage

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[coderabbitai]

📝 Walkthrough

Walkthrough

A test waiver entry for a DeepSeek NVFP4 multi-GPU throughput test variant is removed from the skip list, allowing this previously skipped test case to run.

Changes

Test waiver removal

Layer / File(s)	Summary
Remove DeepSeek NVFP4 throughput test waiver tests/integration/test_lists/waives.txt	The waiver entry for TestDeepSeekR1::test_nvfp4_multi_gpus[throughput_mtp] is removed, removing this test variant from the skip list.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• NVIDIA/TensorRT-LLM#14700: Removes other SKIP entries from the same waive list to unwaive previously skipped test cases.
• NVIDIA/TensorRT-LLM#14791: Modifies waives for other DeepSeek NVFP4 multi-GPU test variants in the same test file.

Suggested reviewers

• crazydemo
• jieli-matrix
• LarryXFly

🚥 Pre-merge checks | ✅ 3 | ❌ 2

❌ Failed checks (2 warnings)

Check name	Status	Explanation	Resolution
Title check	⚠️ Warning	The PR title references a valid NVBugs ID and includes a clear fix type, but conflicts with the actual changeset which removes a test waiver rather than fixing attention op calculations.	Update the title to accurately reflect that the change removes a test waiver (e.g., '[https://nvbugs/6029882][fix] Unwaive test_nvfp4_multi_gpus throughput_mtp test') rather than describing an attention op fix.
Description check	⚠️ Warning	The PR description is empty except for the template structure; required sections including Description, Test Coverage, and PR checklist are not filled out with any substantive information.	Complete the Description section explaining the issue being fixed and why the test waiver was removed, and list the relevant tests affected by this change in the Test Coverage section.

✅ Passed checks (3 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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[pengbowang-nv]

/bot run --stage-list "GB200-8_GPUs-2_Nodes-PyTorch-1,GB200-8_GPUs-2_Nodes-PyTorch-2"

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PR_Github #51523 [ run ] triggered by Bot. Commit: 9e546b6 Link to invocation

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PR_Github #51523 [ run ] completed with state ABORTED. Commit: 9e546b6
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PR_Github #51548 [ run ] completed with state SUCCESS. Commit: 9e546b6
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PR_Github #51580 [ run ] triggered by Bot. Commit: 9e546b6 Link to invocation

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PR_Github #51580 [ run ] completed with state SUCCESS. Commit: 9e546b6
/LLM/main/L0_MergeRequest_PR pipeline #40969 (Partly Tested) completed with status: 'FAILURE'

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PR_Github #51611 [ run ] triggered by Bot. Commit: 9e546b6 Link to invocation

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PR_Github #51611 [ run ] completed with state SUCCESS. Commit: 9e546b6
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PR_Github #51733 [ run ] completed with state SUCCESS. Commit: 9e546b6
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PR_Github #51751 [ run ] completed with state SUCCESS. Commit: ba23ebf
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PR_Github #51776 [ run ] triggered by Bot. Commit: 8b9465d Link to invocation

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PR_Github #51776 [ run ] completed with state SUCCESS. Commit: 8b9465d
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[pengbowang-nv]

/bot run --stage-list "GB200-8_GPUs-2_Nodes-PyTorch-1,GB200-8_GPUs-2_Nodes-PyTorch-2,GB200-8_GPUs-2_Nodes-PyTorch-3,GB200-8_GPUs-2_Nodes-PyTorch-4,DGX_B300-4_GPUs-PyTorch-Post-Merge-2,GB300-4_GPUs-PyTorch-Post-Merge-2 ,DGX_B200-8_GPUs-PyTorch-1" --disable-fail-fast

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