linux-kernel - Re: [PATCH v3] libnvdimm: Enable unit test infrastructure compile checks

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Date:   Mon, 2 Sep 2019 06:22:23 +0000
From:   Jason Gunthorpe <jgg@...lanox.com>
To:     Dan Williams <dan.j.williams@...el.com>
CC:     Jérôme Glisse <jglisse@...hat.com>,
        Christoph Hellwig <hch@....de>,
        "linux-nvdimm@...ts.01.org" <linux-nvdimm@...ts.01.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] libnvdimm: Enable unit test infrastructure compile
 checks

On Sat, Aug 31, 2019 at 11:52:47AM -0700, Dan Williams wrote:
> The infrastructure to mock core libnvdimm routines for unit testing
> purposes is prone to bitrot relative to refactoring of that core.
> Arrange for the unit test core to be built when CONFIG_COMPILE_TEST=y.
> This does not result in a functional unit test environment, it is only a
> helper for 0day to catch unit test build regressions.
> 
> Note that there are a few x86isms in the implementation, so this does
> not bother compile testing this architectures other than 64-bit x86.
> 
> Cc: Jérôme Glisse <jglisse@...hat.com>
> Cc: Jason Gunthorpe <jgg@...lanox.com>
> Reported-by: Christoph Hellwig <hch@....de>
> Signed-off-by: Dan Williams <dan.j.williams@...el.com>
> Link: https://lore.kernel.org/r/156097224232.1086847.9463861924683372741.stgit@dwillia2-desk3.amr.corp.intel.com
> Changes since v2:
> - Fixed a 0day report when the unit test infrastructure is built-in.
>   Arrange for it to only compile as a module. This has received a build
>   success notifcation from the robot over 142 configs.
> 
> Hi Jason,
> 
> As we discussed previously please take this through the hmm tree to give
> compile coverage for devm_memremap_pages() updates.

Okay, applied again and 0-day passed

Thanks,
Jason