Re: [PATCH 00/28] iio: zero init stack with { } instead of memset()

Pavel Machek
2025-06-12T19:47:55Z

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Hi1

> I thought I'd chime in as someone uninvolved because this seemed
> interesting.
>
> On Thursday, 12 June 2025 11:17:52 Central European Summer Time Pavel Machek wrote:
> > Hi!
> >
> > > Jonathan mentioned recently that he would like to get away from using
> > > memset() to zero-initialize stack memory in the IIO subsystem. And we
> > > have it on good authority that initializing a struct or array with = { }
> > > is the preferred way to do this in the kernel [1]. So here is a series
> > > to take care of that.
> >
> > 1) Is it worth the churn?
> >
> > 2) Will this fail to initialize padding with some obscure compiler?
>
> as of right now, the only two C compilers that are supported are
> GCC >= 8.1, and Clang >= 13.0.1. If anyone even manages to get the
> kernel

Well... I'm pretty sure parts of this would make it into -stable as a
dependency, or because AUTOSEL decides it is a bugfix. So..

GNU C 4.9 gcc --version
Clang/LLVM (optional) 10.0.1 clang --version

:-).

Best regards,
Pavel
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