From nobody Tue Dec 16 12:21:21 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C2717C4332F for ; Tue, 12 Dec 2023 16:52:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1376420AbjLLQw0 (ORCPT ); Tue, 12 Dec 2023 11:52:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51446 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232949AbjLLQwV (ORCPT ); Tue, 12 Dec 2023 11:52:21 -0500 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A2E62A6; Tue, 12 Dec 2023 08:52:26 -0800 (PST) Date: Tue, 12 Dec 2023 16:52:24 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1702399945; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=CBQKIzBHvmHbFR0vvi376YhJIbWWWEO5G2eP0prtvbI=; b=ihjxz0sF9EMfdrXZE9M7sw6d2WwZNp2UD/O/wlnQoC4vb9qGPnOstrKX/4rKPs4IC8vnEA 01Erm3rupejesrugmfuoAv9rAvgrvzi7c25ppmbC41BU9XGtH65AiQw/NndczY1FLfnivr 6V79Fzaujo9H0a7pKYLQgKUAVaHuPlZuA+OFYojnnrTXpb5Nh0WEZ3H9R3RWOlb75LBAU4 OXufRjjUOiA07iOIEdiBSjFXFqCq5Qrn8MtWYfXqapFsEk8na1G5AGmphGHKl3FKEm0emt SrDbSEXza2ycje/6ZpiHnnRv/XAP1Iaw20cfqvf95GxIa0Se2Cpwkoc8E/rm6g== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1702399945; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=CBQKIzBHvmHbFR0vvi376YhJIbWWWEO5G2eP0prtvbI=; b=oYq6InmoULF4ET5l3925YZqEEpk5ED497mTr4Q68QhIQm9zDv50zlhtgr+Xsrbv3T8TcYU pAqSXFzPnOx/x0Bw== From: "tip-bot2 for Dave Hansen" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: x86/tdx] x86/virt/tdx: Disable TDX host support when kexec is enabled Cc: Dave Hansen , x86@kernel.org, linux-kernel@vger.kernel.org MIME-Version: 1.0 Message-ID: <170239994445.398.4539362134762884474.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following commit has been merged into the x86/tdx branch of tip: Commit-ID: cb8eb06d50fcf4a478813a612f68c38cca45c742 Gitweb: https://git.kernel.org/tip/cb8eb06d50fcf4a478813a612f68c38cc= a45c742 Author: Dave Hansen AuthorDate: Fri, 08 Dec 2023 09:07:40 -08:00 Committer: Dave Hansen CommitterDate: Tue, 12 Dec 2023 08:46:46 -08:00 x86/virt/tdx: Disable TDX host support when kexec is enabled TDX host support currently lacks the ability to handle kexec. Disable TDX when kexec is enabled. Signed-off-by: Dave Hansen Link: https://lore.kernel.org/all/20231208170740.53979-20-dave.hansen%40int= el.com --- arch/x86/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index e255d8a..01cdb16 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1973,6 +1973,7 @@ config INTEL_TDX_HOST depends on X86_X2APIC select ARCH_KEEP_MEMBLOCK depends on CONTIG_ALLOC + depends on !KEXEC_CORE help Intel Trust Domain Extensions (TDX) protects guest VMs from malicious host and certain physical attacks. This option enables necessary TDX