linux-kernel - Re: [PATCH v3 0/4] Migrate PCI Endpoint Subsystem tests to Kselftest

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Message-ID: <20241216060337.cvhwvdzt34ocg2uf@thinkpad>
Date: Mon, 16 Dec 2024 11:33:37 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: Niklas Cassel <cassel@...nel.org>
Cc: kw@...ux.com, gregkh@...uxfoundation.org, arnd@...db.de,
	lpieralisi@...nel.org, shuah@...nel.org, kishon@...nel.org,
	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	bhelgaas@...gle.com, linux-arm-msm@...r.kernel.org, robh@...nel.org,
	linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v3 0/4] Migrate PCI Endpoint Subsystem tests to Kselftest

On Thu, Dec 12, 2024 at 10:25:53AM +0100, Niklas Cassel wrote:
> Hello Mani,
> 
> On Wed, Dec 11, 2024 at 01:31:01PM +0530, Manivannan Sadhasivam wrote:
> > Hi,
> > 
> > This series carries forward the effort to add Kselftest for PCI Endpoint
> > Subsystem started by Aman Gupta [1] a while ago. I reworked the initial version
> > based on another patch that fixes the return values of IOCTLs in
> > pci_endpoint_test driver and did many cleanups. Since the resulting work
> > modified the initial version substantially, I took over the authorship.
> > 
> > This series also incorporates the review comment by Shuah Khan [2] to move the
> > existing tests from 'tools/pci' to 'tools/testing/kselftest/pci_endpoint' before
> > migrating to Kselftest framework. I made sure that the tests are executable in
> > each commit and updated documentation accordingly.
> > 
> > NOTE: Patch 1 is strictly not related to this series, but necessary to execute
> > Kselftests with Qualcomm Endpoint devices. So this can be merged separately.
> 
> Having to write a big NOTE is usually a hint that you should just have done
> things differently :)
> 
> If you need to respin this series, I strongly suggest that you send the
> Qcom fix separately. It is totally independent, and should be merged ASAP.
> 

Even though it is an independent fix, it is needed to get Kselftests (also the
legacy ones) passing without failures. That's why I kept it as patch 1.
Otherwise, someone may test it and report failures.

> As you know, this series conflicts with:
> https://lore.kernel.org/linux-pci/20241116032045.2574168-2-cassel@kernel.org/
> 
> I don't see any reason why the above patch has not been merged yet,
> but it would be really nice if the above could be picked up first,
> so this series could also add a kselftest testcase for the above.
> 

I was hoping that Greg would pick misc driver changes, but looking at the git
log of this driver I got to know that the changes were picked by PCI folks only.

@kw: Could you please pick the patch from Niklas?

- Mani

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