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

From: Peter Zijlstra <[email-masked]>
Date: Mon, 24 Nov 2025 13:32:49 +0100

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 ?!?