From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 535CFC282DE for ; Thu, 13 Mar 2025 10:57:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=thchq9IdL4oD6YxrvgblhR5JIjm/MnSBvT50T36oz2E=; b=NEYticrelXdeEjNihKGO6csrGK v1NCEUa25NpeJC18KfS8jsovkWL9YKNPZ1n4o9oJq22d9QxlJXkQME7jH4BfvfWlVOIF5qa20kgvD VEnimdWDBOwH5YXA1rD2GiV+Hj0RtNdZp1E4A3r3MA6Y8lg+tB9rL8WvjLdjoY+2GOxNgi1OHUEW7 c4OwS9Qt1rRB0ZzTQOEPrczj2CLDHmmzfQZoeckFaIWzETFTh/SFWN5GqdTYSaopPHRv+JSbi0xWb orkE71BOgfksAjZRgaLTKkuqMswv2DoRM3lEXdAcuBvj3RXbP5Y8wYcc1UnKN/ogqfJDAaLeaR981 jl6CVCDA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tsgG5-0000000Axje-4AuD; Thu, 13 Mar 2025 10:57:49 +0000 Received: from nyc.source.kernel.org ([147.75.193.91]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tsgCa-0000000AwyN-1Pmz for kexec@lists.infradead.org; Thu, 13 Mar 2025 10:54:13 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id AE432A46AB5; Thu, 13 Mar 2025 10:48:41 +0000 (UTC) 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250313_035412_445627_572A493A X-CRM114-Status: UNSURE ( 8.67 ) X-CRM114-Notice: Please train this message. X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org * 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