From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f201.google.com (mail-pl1-f201.google.com [209.85.214.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CA21B3BB100 for ; Tue, 26 May 2026 13:45:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779803133; cv=none; b=t0ECekf/GH0bB3UI+/KShrjm2tt+87MBrjxRuQ39azLz9isfjsZ+1C5ciMOoeFb+p38j5f7MbdEMWfEIgALolNYWOR5VcMlEoGvPSPFLMWZpGs6alvwsrkU6gf0QhdsisFpYqnqCpVU84s3GyJVvXeNg3HEWaWgrwm487nxs9RU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779803133; c=relaxed/simple; bh=dCYlgKZTH9VMy9Ru1zjAAcfghHXcI8RvqEHyTqil3Oo=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=OL87LK1gQBdmET4/abb+S+n9IenLwtKfJA9el4OCMxXamY6FazC+VYpxD+W+wkcmeQtosI8ZuQvIv0HkVevriaF2HMAQMOyjja1zD4nt97+5FcAbiDj6zN1H7G2R0DE/7WtAxUZjhZqmBdZGsxUHS1M3bhUwM87k5ZwPcH52TZw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=AC88d2hD; arc=none smtp.client-ip=209.85.214.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="AC88d2hD" Received: by mail-pl1-f201.google.com with SMTP id d9443c01a7336-2b9b8137828so107745165ad.0 for ; Tue, 26 May 2026 06:45:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1779803131; x=1780407931; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=b7ogrWNYI3gepg7QyExihjmhdR3tEft22xe63YUoKhA=; b=AC88d2hDRIMP2hWNlK5MFK9WKAZgqMaZk1HGviuTyF0lHapaPGXYx3zpEPrwDhLlcT UEHoUhQ6cKMvm+Y7uzTTiND2lXGcD2vxKcQEtMpbByFRcz78ujG/275nvu5nTbnXDAx8 /uRhuduVY/NYj6sc918zN2+ZlL+Ntimxw9CzBFSVs8WRHmAyaBqWhAudaNQbENmYTlbW eXg63tCgYtnAhxTB9s1mILTcI7BBM/GFMlxOSKxJBH+rDhYMZH5CjJQh0mRAmGDs82e4 H1VHYhkleoVxCg++d/ly5HVCAwPiqtosXXEVgOWS86tzC9qbYewY4RDRizICUSabR1Vq V2og== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1779803131; x=1780407931; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=b7ogrWNYI3gepg7QyExihjmhdR3tEft22xe63YUoKhA=; b=bQ2OstM2hmf2wisMzMRo35qA5zymRMl/GRzoeV5li+0/TjWpEYXnxHmmhU+gbhVxsM hD8KvrrbLWo/sVnBx20MEXnXrmg3r8Iao/2sgho4ETJUO8SwGFgrh1NZvryHSvkyetCv BuezgJp1KOss7Lrvcp1SKqqclSu5GpSR6ZIgJaxUSygr1QaoYwM8m7X/6Qrq9+J/xR0u DRsR9iQUtpiFO8qVswJkL+roSmmLDkYARagWTkUIom/BcVR1PAbapY8ia7WlCyuoZM/O eDsoDVx7nkTnSE0ko9pb90Wukkj0Zv9FiHs3nbI2bbnuoCMjsckzyGjHFBWEblpsY2FA hiyg== X-Forwarded-Encrypted: i=1; AFNElJ/E4INdB/GP7UaklMmQgR4GoaQiUCFHYMQN5Ut0eh5hQHIq1VT1fDWyVujppEGKVbSXaFo=@vger.kernel.org X-Gm-Message-State: AOJu0YyEMAbDMSrFxiWVEEUlHLKN0giDhFjiPJuN0szpCr6pPYfjxH1g OoX4bc6Id1akrC5AVlMh3A2WlDKfwaIPU4pXwXPJNdWf7QSqj84S86DBeDRppV15qM78S7+GJ8v sC1mIwg== X-Received: from plsa3.prod.google.com ([2002:a17:902:b583:b0:2b2:4270:9f7c]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:15c7:b0:2bd:8938:b811 with SMTP id d9443c01a7336-2beb0700897mr225723395ad.34.1779803130936; Tue, 26 May 2026 06:45:30 -0700 (PDT) Date: Tue, 26 May 2026 06:45:28 -0700 In-Reply-To: Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: Message-ID: Subject: Re: New "no-cfi indirect call!" build failure on 7.1-rc5 From: Sean Christopherson To: Calvin Owens Cc: linux-kernel@vger.kernel.org, peterz@infradead.org, tglx@kernel.org, vishal.l.verma@intel.com, zhao1.liu@intel.com, binbin.wu@linxu.intel.com, x86@kernel.org, kvm@vger.kernel.org, nathan@kernel.org Content-Type: text/plain; charset="us-ascii" On Mon, May 25, 2026, Calvin Owens wrote: > Hello all, > > I'm seeing build failures with the attached kconfig on 7.1-rc5: > > running 'make' '-skj32' 'oldconfig' 'tar-pkg' 'LLVM=/home/calvinow/llvm-22.1.5/bin/' > vmlinux.o: error: objtool: idt_do_interrupt_irqoff+0xe: no-cfi indirect call! > > It bisects down to commit 0701c9e17bd903d95b2ddf7dd2e1d8be5027f331: > > Author: Peter Zijlstra > AuthorDate: Fri May 8 11:18:29 2026 +0200 > Commit: Thomas Gleixner > CommitDate: Tue May 19 20:25:51 2026 +0200 > > x86/kvm/vmx: Move IRQ/NMI dispatch from KVM into x86 core > > Nathan noticed it last week in -next: > > https://lore.kernel.org/all/20260520230621.GA706311@ax162/ > > You can reproduce my LLVM with this, in case it matters: > https://github.com/jcalvinowens/kernel-testing/blob/master/scripts/build-llvm.sh Peter is on it: https://lore.kernel.org/all/20260526090631.GA4149641@noisy.programming.kicks-ass.net