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a="56896431" X-IronPort-AV: E=Sophos;i="6.16,264,1744095600"; d="scan'208";a="56896431" X-CSE-ConnectionGUID: FFF/qJsIS8aroVr8/RBTuA== X-CSE-MsgGUID: gmyleX3LR4Sr0ngpOWAmww== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,264,1744095600"; d="scan'208";a="152837655" From: Xiaoyao Li To: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Paolo Bonzini Cc: =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-devel@nongnu.org, xiaoyao.li@intel.com Subject: [PATCH v2] i386/tdx: Build TDX only for 64-bit target Date: Wed, 25 Jun 2025 15:33:10 +0800 Message-ID: <20250625073310.2796298-1-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=192.198.163.12; envelope-from=xiaoyao.li@intel.com; helo=mgamail.intel.com X-Spam_score_int: -33 X-Spam_score: -3.4 X-Spam_bar: --- X-Spam_report: (-3.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.999, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1750837284294116600 Build errors related to TDX were reported when QEMU built on 32-bit host[1][2]. Since TDX cannot work on 32-bit host and it's also not worth supporting TDX with 32-bit QEMU, limit TDX to 64-bit target only. [1] https://lore.kernel.org/qemu-devel/20250602173101.1052983-1-clg@redhat.= com/ [2] https://lore.kernel.org/qemu-devel/b8171c39-6a92-4078-a59a-a63d7452e1e9= @kaod.org/ Suggested-by: C=C3=A9dric Le Goater Signed-off-by: Xiaoyao Li Reviewed-by: C=C3=A9dric Le Goater Reviewed-by: Zhao Liu Tested-by: C=C3=A9dric Le Goater --- hw/i386/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/i386/Kconfig b/hw/i386/Kconfig index eb65bda6e071..14d23e27b580 100644 --- a/hw/i386/Kconfig +++ b/hw/i386/Kconfig @@ -13,7 +13,7 @@ config SGX config TDX bool select X86_FW_OVMF - depends on KVM + depends on KVM && X86_64 =20 config PC bool --=20 2.43.0