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SubjectRe: [RFC v4 00/17] kunit: introduce KUnit, the Linux kernel unit testing framework
On Tue, Feb 19, 2019 at 10:46 PM Frank Rowand <> wrote:
> On 2/19/19 10:34 PM, Brendan Higgins wrote:
> > On Mon, Feb 18, 2019 at 12:02 PM Frank Rowand <> wrote:
> > <snip>
> >> I have not read through the patches in any detail. I have read some of
> >> the code to try to understand the patches to the devicetree unit tests.
> >> So that may limit how valid my comments below are.
> >
> > No problem.
> >
> >>
> >> I found the code difficult to read in places where it should have been
> >> much simpler to read. Structuring the code in a pseudo object oriented
> >> style meant that everywhere in a code path that I encountered a dynamic
> >> function call, I had to go find where that dynamic function call was
> >> initialized (and being the cautious person that I am, verify that
> >> no where else was the value of that dynamic function call). With
> >> primitive vi and tags, that search would have instead just been a
> >> simple key press (or at worst a few keys) if hard coded function
> >> calls were done instead of dynamic function calls. In the code paths
> >> that I looked at, I did not see any case of a dynamic function being
> >> anything other than the value it was originally initialized as.
> >> There may be such cases, I did not read the entire patch set. There
> >> may also be cases envisioned in the architects mind of how this
> >> flexibility may be of future value. Dunno.
> >
> > Yeah, a lot of it is intended to make architecture specific
> > implementations and some other future work easier. Some of it is also
> > for testing purposes. Admittedly some is for neither reason, but given
> > the heavy usage elsewhere, I figured there was no harm since it was
> > all private internal usage anyway.
> >
> Increasing the cost for me (and all the other potential code readers)
> to read the code is harm.

You are right. I like the object oriented C style; I didn't think it
hurt readability.

In any case, I will go through and replace instances where I am not
using it for one of the above reasons.

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