From c0f849d9cc9b60aff17fd9a1349788856c0e98b9 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Fri, 18 Jul 2025 18:03:46 +0200 Subject: [PATCH 039/115] i386/tdx: Make sept_ve_disable set by default MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit RH-Author: Paolo Bonzini RH-MergeRequest: 391: TDX support, including attestation and device assignment RH-Jira: RHEL-15710 RHEL-20798 RHEL-49728 RH-Acked-by: Yash Mankad RH-Acked-by: Peter Xu RH-Acked-by: David Hildenbrand RH-Commit: [39/115] ccfc985bc607ff9d1c91e65d810003347d410088 (bonzini/rhel-qemu-kvm) For TDX KVM use case, Linux guest is the most major one. It requires sept_ve_disable set. Make it default for the main use case. For other use case, it can be enabled/disabled via qemu command line. Signed-off-by: Isaku Yamahata Signed-off-by: Xiaoyao Li Reviewed-by: Daniel P. Berrangé Reviewed-by: Zhao Liu Link: https://lore.kernel.org/r/20250508150002.689633-11-xiaoyao.li@intel.com Signed-off-by: Paolo Bonzini (cherry picked from commit 714af52276e74a1829674d180ef26ecb6261834c) Signed-off-by: Paolo Bonzini --- target/i386/kvm/tdx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c index 370bd86f2c..2ed40b7614 100644 --- a/target/i386/kvm/tdx.c +++ b/target/i386/kvm/tdx.c @@ -288,7 +288,7 @@ static void tdx_guest_init(Object *obj) qemu_mutex_init(&tdx->lock); cgs->require_guest_memfd = true; - tdx->attributes = 0; + tdx->attributes = TDX_TD_ATTRIBUTES_SEPT_VE_DISABLE; object_property_add_uint64_ptr(obj, "attributes", &tdx->attributes, OBJ_PROP_FLAG_READWRITE); -- 2.50.1