From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 C5D8A265610 for ; Thu, 13 Mar 2025 10:54:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741863251; cv=none; b=DWL+ovhnMLRhiREsQHrpZN6zni9516kOG0LJbD8T67+blXqz2PJA5BuUgViIsGQiKOHhoY6b2vGd2CKcWxBs3m88UEtC7nfj2DgTtihL+32KOILk0Bb19ZAR3tja1jcXIdQV0PVcKErLiw4SgHV3RAtRWbHQYafCe6SDOy9SYb8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741863251; c=relaxed/simple; bh=PhG3T14xmNLJ2igVUO8SEMpUDPPBIMEnhLKBsTJGWEc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ff/Nqe3BESMkI5XwekiFfmQfyHM0ZyOGmcKSfhOrqoAU2EyuvKBo4jQ9XQ/A8/ujSLcrxOsYm1lcqIefOpV3GIUeyAx2vwmWOjc67Xk15g67VRnGgrvnRA5/BLfFgYiLuQj5PiH++Yl5XYzvp99Im0BrB0Y+u4u0t6AyisL0zsM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Nc6M6+cG; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Nc6M6+cG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1E6F3C4CEDD; Thu, 13 Mar 2025 10:54:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741863251; bh=PhG3T14xmNLJ2igVUO8SEMpUDPPBIMEnhLKBsTJGWEc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Nc6M6+cGMmfjfPl6mygKyLqcLK7ngvetUYGX4u8WNzZdEBMPSoyJ/UDkORp4TSrJS oDTxoCHVhy1GmkJDOWw1iGFdlFW0Y3JpkxXQdkoO5DUXoBdZ2qiZh33RTwFRAKEfuM aLBqBfdVhNJYmup2tUhyo2oLEFduJNwmANjZ/2TIKHS2b61pJqY/i2MPlI984yjnSE ZkfmWMk/nIqJQZzb88L+jQJmRom8MJgeVJL9KiM9WoFdJ2I8RwYQx34MO56o0f4z8O 5CWMZCUPzXQgReTO6BahpIuQmIvWMhLp8fZzqGeNQ/+czi2r2HSKgOk4ADz6L5LnAX iKOMi8fbSYDUQ== Date: Thu, 13 Mar 2025 11:54:04 +0100 From: Ingo Molnar To: David Woodhouse Cc: kexec@lists.infradead.org, Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H . Peter Anvin" , David Woodhouse , "Kirill A . Shutemov" , Kai Huang , Nikolay Borisov , linux-kernel@vger.kernel.org, Simon Horman , Dave Young , Peter Zijlstra , jpoimboe@kernel.org, bsz@amazon.de Subject: Re: [PATCH v7 0/8] x86/kexec: Add exception handling for relocate_kernel Message-ID: References: <20250312144257.2348250-1-dwmw2@infradead.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: * Ingo Molnar wrote: > I applied the first 3 patches to tip:x86/boot for > phased-risk-reduction reasons, and because I had some questions and > suggestions starting at patch #4. So there's a new objtool build warning from the new exc_handler code: vmlinux.o: warning: objtool: exc_handler+0xe: early indirect call That's with a x86-64 defconfig + KVM enablement. Thanks, Ingo