Re: [PATCH] Enable '-Werror' by default for all kernel builds

[Guenter Roeck]

On 9/6/21 9:12 AM, Linus Torvalds wrote:
> On Mon, Sep 6, 2021 at 7:26 AM Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
> > Build results:
> >          total: 153 pass: 89 fail: 64
>
> Well, that sadly proves the point of that patch. x86-64 may be clean,
> because I have required it manually. Others not necessarily so much..
>
> I've got at least one sparc64 fix in my inbox. It _might_ fix some
> other cases too (syscall checking), but I suspect it's one of those
> "death by a thousand cuts" situations, not just one or two issues that
> show up.
>
> Do you end up exposing the errors anywhere where I can take a look?

Logs are available from KernelCI.
See https://linux.kernelci.org/job/mainline/
I expect that 0-day will also have a field day.

> If some of them are just because of bad tooling on certain
> architectures (ie fundamentally "this is unfixable, because we use
> gcc-XYZ that just always causes warnings") then those we could/should
> just disable -Werror for those and forget about them.
>
> But hopefully most cases are just "people haven't cared enough" and
> easily fixed.

We'll see. For my testbed I disabled the new configuration flag
for the time being because its primary focus is boot tests, and
there won't be any boot tests if images fail to build.

Guenter