From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BB70218EB0; Mon, 24 Nov 2025 12:32:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.92.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763987576; cv=none; b=T4nXbJvJ/YSFjTyZEokEDkPqU7pERwE1E2Z2WE7vAC2/ZKnGKGdG9D1b2PScPTbuOjgn9yIEcbYxYo6A5BfhPoMpSnis3Qt2HyVhiq9TPyfsEUpJlAi1S2NQn7pTpTF7tYVKyq6bS1I85f/87wCXk9xYkNZ2oqR+rUi8l3W62ac= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763987576; c=relaxed/simple; bh=awgAJavHOQ0+gv0VJv/Dpe9I33aTOIItQxdp4Ay4QNQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=L1dkRSkZ9op+eOBnIFmwor4TxmYnrOnze7SiYe6NQ+HuD4PN5kMweOz4nE8O4pQvHzPnws158YfEsX3VNSTekW299CcOQQqsXR8N1mFslUlQA5nWc918ZgV1KhmmWJpiRvI1AldZjOgPNAU1VH300jU4lYWChNjMvDm1Dt7dAgk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=n1SAoFY5; arc=none smtp.client-ip=90.155.92.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="n1SAoFY5" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Transfer-Encoding: Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Sender:Reply-To:Content-ID:Content-Description; bh=awgAJavHOQ0+gv0VJv/Dpe9I33aTOIItQxdp4Ay4QNQ=; b=n1SAoFY5LE7NY+epMrlq/prIue r7hef6GpuoF+B+YMYjFU6UeKvrWUGClr/2ic2W2CJfzhJcAF9rR2t/5ydZwr8IKt7Ksn50/HS5AG2 jyeBOeTtKkYOpo9pnJ6E715N3Uwq8adX0S62LEc3ayeh0qFjXZuiCakxwOAXnWUzCAqNDvZXNPvQp MFHFGOW7enCVcqK27e3jZFXAkModoE3fnhxdyMyvYDId8HYm3+jaq5iQAE7t4bIg66sY8XpIPEtOw fBLyUcMgx8n9rEOAmCo4puzMoKlh5sUW9wgbk+10fOdg8Xqx48ToVO08HslmN3DbKr+NYT0oqhUav YmellBCg==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1vNUsp-00000003eVN-2Uzg; Mon, 24 Nov 2025 11:37:27 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id C348C3002E3; Mon, 24 Nov 2025 13:32:49 +0100 (CET) Date: Mon, 24 Nov 2025 13:32:49 +0100 From: Peter Zijlstra To: Stephen Rothwell Cc: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Linux Kernel Mailing List , Linux Next Mailing List , ojeda@kernel.org, boqun.feng@gmail.com Subject: Re: linux-next: build failure after merge of the tip tree Message-ID: <20251124123249.GP4067720@noisy.programming.kicks-ass.net> References: <20251124231644.38d0303b@canb.auug.org.au> Precedence: bulk X-Mailing-List: linux-next@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: <20251124231644.38d0303b@canb.auug.org.au> On Mon, Nov 24, 2025 at 11:16:44PM +1100, Stephen Rothwell wrote: > Hi all, >=20 > After merging the tip tree, today's linux-next build (x86_64 allmodconfig) > failed like this: >=20 > ERROR: modpost: "NULL" [drivers/gpu/nova-core/nova_core.ko] undefined! >=20 Rust :/ So I have: $ make O=3Dtmp-build LLVM=3D-22 allmodconfig $ make O=3Dtmp-build LLVM=3D-22 rustavailable Rust is available! $ grep -e CONFIG_RUST=3D -e CONFIG_NOVA=3D tmp-build/.config $ Help ?!?