linux-kernel - Re: [bp:tip-x86-alternatives 1/1] error[E0588]: packed type cannot transitively contain a `#[repr(align)]` type

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Message-ID: <Y7i1h3lCMKfxB532@zn.tnic>
Date:   Sat, 7 Jan 2023 00:57:59 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Cc:     kernel test robot <lkp@...el.com>, llvm@...ts.linux.dev,
        oe-kbuild-all@...ts.linux.dev, rust-for-linux@...r.kernel.org,
        lkml <linux-kernel@...r.kernel.org>
Subject: Re: [bp:tip-x86-alternatives 1/1] error[E0588]: packed type cannot
 transitively contain a `#[repr(align)]` type

On Sat, Jan 07, 2023 at 12:25:17AM +0100, Miguel Ojeda wrote:
> Yeah, note the x86_64-rhel-8.3-rust config name. It is a config the
> kernel test robot added for testing with Rust enabled (which explains
> the version text you saw for `rustc`).

I figured as much.

As I said:

"These reproduction instructions look insufficient to me."

> The script is meant to be called as a Make target, e.g. `make LLVM=1
> rustavailable`. Perhaps we can put a message if the script was called
> directly.

No need - I ran it by hand just to show that I don't have a rust compiler
installed.

Bottom line is: if I get a build report involving a rust compiler, there better
be in the reproduction instructions a hint how to install one so that I can
reproduce. Alternatively, I can always simply ignore it.

And while we're reporting bugs: the error message from the compiler itself could
use some "humanization" - I have zero clue what it is trying to tell me.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette