Subject: Re: linux-next: build failure after merge of the tip tree

From: Boqun Feng <[email-masked]>
Date: Mon, 24 Nov 2025 06:00:52 -0800

On Mon, Nov 24, 2025 at 01:32:49PM +0100, Peter Zijlstra wrote:
> On Mon, Nov 24, 2025 at 11:16:44PM +1100, Stephen Rothwell wrote:
> > Hi all,
> > 
> > After merging the tip tree, today's linux-next build (x86_64 allmodconfig)
> > failed like this:
> > 
> > ERROR: modpost: "NULL" [drivers/gpu/nova-core/nova_core.ko] undefined!
> > 
> 
> Rust :/
> 
> So I have:
> 
> $ make O=tmp-build LLVM=-22 allmodconfig
> $ make O=tmp-build LLVM=-22 rustavailable
> Rust is available!
> $ grep -e CONFIG_RUST= -e CONFIG_NOVA= tmp-build/.config
> $
> 
> Help ?!?
> 

[CC nova]

On my system it seems that RANDSTRUCT=y prevents the enabling of RUST,
but I'm sure Danilo and Alexandre have better ideas about how to enable
nova-core.

Regards,
Boqun