linux-kernel - RE: [PATCH 1/1] swiotlb: add a KUnit test suite

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Message-ID:
 <SN6PR02MB4157992232ED1362C41804DED4362@SN6PR02MB4157.namprd02.prod.outlook.com>
Date: Mon, 25 Mar 2024 20:10:49 +0000
From: Michael Kelley <mhklinux@...look.com>
To: Petr Tesařík <petr@...arici.cz>, Petr Tesarik
	<petrtesarik@...weicloud.com>
CC: Christoph Hellwig <hch@....de>, Marek Szyprowski
	<m.szyprowski@...sung.com>, Robin Murphy <robin.murphy@....com>, open list
	<linux-kernel@...r.kernel.org>, "open list:DMA MAPPING HELPERS"
	<iommu@...ts.linux.dev>, Will Deacon <will@...nel.org>, Roberto Sassu
	<roberto.sassu@...weicloud.com>
Subject: RE: [PATCH 1/1] swiotlb: add a KUnit test suite

From: Petr Tesařík <petr@...arici.cz> Sent: Monday, March 25, 2024 7:07 AM
> 
> On Wed, 13 Mar 2024 10:27:40 +0100
> Petr Tesarik <petrtesarik@...weicloud.com> wrote:
> 
> > From: Petr Tesarik <petr.tesarik1@...wei-partners.com>
> >
> > Add unit tests to help avoid regressions in the SWIOTLB code.
> >
> > These features are covered by the test suite:
> >
> > * basic functionality (map, sync)
> > * alignment based on mapping size
> > * alignment based on min_align_mask
> > * explicit alignment with alloc_align_mask
> > * combination of alignment constraints
> >
> > Select CONFIG_SWIOTLB rather than depend on it, because it allows to run
> > the test with UML (default KUnit target).
> 
> Hi all,
> 
> I know it's not super-urgent, but I'm just curious: Has anyone had time
> to try out this patch? Did it work for you?
> 

I've read through the patch code, but I haven't run it.  I'll need to
do some reading on Kunit as it's not something I've used before.
I'm not sure when/if I will get to it.

Michael