From: Pranjal Shrivastava <praan@google.com>
To: Nicolin Chen <nicolinc@nvidia.com>
Cc: iommu@lists.linux.dev, Will Deacon <will@kernel.org>,
Joerg Roedel <joro@8bytes.org>,
Robin Murphy <robin.murphy@arm.com>,
Jason Gunthorpe <jgg@ziepe.ca>,
Mostafa Saleh <smostafa@google.com>,
Daniel Mentz <danielmentz@google.com>,
Ashish Mhetre <amhetre@nvidia.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v7 11/11] iommu/arm-smmu-v3: Add KUnit unit tests for Runtime PM
Date: Thu, 28 May 2026 23:33:42 +0000 [thread overview]
Message-ID: <ahjQ1lvu9iS3E-ih@google.com> (raw)
In-Reply-To: <ahjN5I4ObyGMDJAK@Asurada-Nvidia>
On Thu, May 28, 2026 at 04:21:08PM -0700, Nicolin Chen wrote:
> On Thu, May 28, 2026 at 11:10:50PM +0000, Pranjal Shrivastava wrote:
> > On Thu, May 28, 2026 at 02:43:57PM -0700, Nicolin Chen wrote:
> > > On Wed, May 27, 2026 at 10:14:07PM +0000, Pranjal Shrivastava wrote:
> > > > Introduce a kunit selftests to verify the Runtime PM elision gating,
> > > > post-suspend elisions and progress on resumption under active
> > > > invalidation load. Simulate concurrent HW suspension using a timer.
> > > > Mock all HW registers and CMDQ buffers by allocating them on RAM.
> > > > Make the mock CMDQ self-consuming to avoid hitting queue_full scenarios.
> > > >
> > > > Signed-off-by: Pranjal Shrivastava <praan@google.com>
> > >
> > > Maybe I am wrong, yet this reads like an entirely AI-generated code.
> > > So, should it have an Assisted-by?
> > >
> >
> > Agh, It appears I made an error during the final send and mistakenly
> > posted an old WIP version of this patch! I created a patch file before
> > committing the final changes. This has remnants of older experiments and
> > lacks severals other cleanups!
> >
> > I'm aware of the AI usage guidelines. However, this is not an entirely AI
> > generated patch, it's a pre-cleanup snapshot of a WIP version where I had
> > multiple rpm tests (an attempt to use kthreads to simulate races) that
> > were using shared functions like the mock_cmdq etc. remnants of which
> > are seen in this patch. *FACEPALM*.
>
> It'd be still very nice to have a KUNIT coverage.
Yes, I plan to add a few RPM tests to the KUNIT.
This however was a WIP version that went into the v7 patches *before* I
commited the final version of this. Basically git format-patch *before*
committing the final version..
Thanks,
Praan
next prev parent reply other threads:[~2026-05-28 23:33 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-27 22:13 [PATCH v7 00/11] iommu/arm-smmu-v3: Implement Runtime/System Sleep ops Pranjal Shrivastava
2026-05-27 22:13 ` [PATCH v7 01/11] iommu/arm-smmu-v3: Refactor arm_smmu_setup_irqs Pranjal Shrivastava
2026-05-27 22:13 ` [PATCH v7 02/11] iommu/arm-smmu-v3: Add a helper to drain cmd queues Pranjal Shrivastava
2026-05-28 1:35 ` Nicolin Chen
2026-05-28 10:34 ` Pranjal Shrivastava
2026-05-28 22:09 ` Nicolin Chen
2026-05-29 14:32 ` Pranjal Shrivastava
2026-05-27 22:13 ` [PATCH v7 03/11] iommu/tegra241-cmdqv: Add a helper to drain VCMDQs Pranjal Shrivastava
2026-05-27 22:14 ` [PATCH v7 04/11] iommu/tegra241-cmdqv: Restore PROD and CONS after resume Pranjal Shrivastava
2026-05-28 18:14 ` Nicolin Chen
2026-05-27 22:14 ` [PATCH v7 05/11] iommu/arm-smmu-v3: Cache and restore MSI config Pranjal Shrivastava
2026-05-28 18:36 ` Nicolin Chen
2026-05-28 21:57 ` Pranjal Shrivastava
2026-05-28 22:03 ` Nicolin Chen
2026-05-27 22:14 ` [PATCH v7 06/11] iommu/arm-smmu-v3: Handle gerror during suspend Pranjal Shrivastava
2026-05-28 18:53 ` Nicolin Chen
2026-05-28 21:59 ` Pranjal Shrivastava
2026-05-27 22:14 ` [PATCH v7 07/11] iommu/arm-smmu-v3: Add CMDQ_PROD_STOP_FLAG to gate CMDQ submissions Pranjal Shrivastava
2026-05-28 19:41 ` Nicolin Chen
2026-05-28 21:57 ` Pranjal Shrivastava
2026-05-27 22:14 ` [PATCH v7 08/11] iommu/arm-smmu-v3: Implement pm_runtime & system sleep ops Pranjal Shrivastava
2026-05-28 19:39 ` Nicolin Chen
2026-05-28 21:21 ` Pranjal Shrivastava
2026-05-28 22:13 ` Nicolin Chen
2026-05-28 23:30 ` Pranjal Shrivastava
2026-05-27 22:14 ` [PATCH v7 09/11] iommu/arm-smmu-v3: Enable pm_runtime and setup devlinks Pranjal Shrivastava
2026-05-28 20:13 ` Nicolin Chen
2026-05-28 21:36 ` Pranjal Shrivastava
2026-05-27 22:14 ` [PATCH v7 10/11] iommu/arm-smmu-v3: Invoke pm_runtime before hw access Pranjal Shrivastava
2026-05-28 20:28 ` Nicolin Chen
2026-05-28 21:46 ` Pranjal Shrivastava
2026-05-28 22:01 ` Nicolin Chen
2026-05-28 22:25 ` Pranjal Shrivastava
2026-05-28 23:18 ` Nicolin Chen
2026-05-29 14:48 ` Pranjal Shrivastava
2026-05-27 22:14 ` [PATCH v7 11/11] iommu/arm-smmu-v3: Add KUnit unit tests for Runtime PM Pranjal Shrivastava
2026-05-28 21:43 ` Nicolin Chen
2026-05-28 23:10 ` Pranjal Shrivastava
2026-05-28 23:21 ` Nicolin Chen
2026-05-28 23:33 ` Pranjal Shrivastava [this message]
2026-05-28 18:05 ` [PATCH v7 00/11] iommu/arm-smmu-v3: Implement Runtime/System Sleep ops Nicolin Chen
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