From: Peter Georg <peter.georg@xxxxxxxxxxxxxxxxxxxxxxxx> x86/sgx: mark tech preview Bugzilla: http://bugzilla.redhat.com/2025959 Upstream Status: RHEL only Note: Wrapped with #ifdef CONFIG_RHEL_DIFFERENCES commit 3f0640a134b32ffbbc504b18b8560799eec4f2e8 Author: Wander Lairson Costa <wander@xxxxxxxxxx> Date: Wed Nov 24 14:16:38 2021 -0300 x86/sgx: mark tech preview Bugzilla: http://bugzilla.redhat.com/2025959 Upstream Status: RHEL only commit ca44d5d42c6076963ba2c391f2636a9adc4f53b8 Author: Vladis Dronov <vdronov@xxxxxxxxxx> Date: Fri Feb 5 11:20:39 2021 -0500 [x86] x86/sgx: mark tech preview Message-id: <20210205112040.9144-39-vdronov@xxxxxxxxxx> Patchwork-id: 352798 Patchwork-instance: patchwork O-Subject: [RHEL8.4 BZ1660337 v2 PATCH 38/39] x86/sgx: mark tech preview Bugzilla: 1660337 RH-Acked-by: Rafael Aquini <aquini@xxxxxxxxxx> RH-Acked-by: Waiman Long <longman@xxxxxxxxxx> RH-Acked-by: Chris von Recklinghausen <crecklin@xxxxxxxxxx> RH-Acked-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx> Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1660337 Upstream Status: RHEL only SGX enclaves must be built before they can be executed (entered). The first step in building an enclave is opening the /dev/sgx_enclave device. Make sure to taint the kernel with TAINT_TECH_PREVIEW at the first attempt to open it. Signed-off-by: Vladis Dronov <vdronov@xxxxxxxxxx> Signed-off-by: Jan Stancek <jstancek@xxxxxxxxxx> Signed-off-by: Wander Lairson Costa <wander@xxxxxxxxxx> Signed-off-by: Peter Georg <peter.georg@xxxxxxxxxxxxxxxxxxxxxxxx> diff --git a/arch/x86/kernel/cpu/sgx/driver.c b/arch/x86/kernel/cpu/sgx/driver.c index blahblah..blahblah 100644 --- a/arch/x86/kernel/cpu/sgx/driver.c +++ b/arch/x86/kernel/cpu/sgx/driver.c @@ -36,6 +36,14 @@ static int sgx_open(struct inode *inode, struct file *file) return ret; } +#ifdef CONFIG_RHEL_DIFFERENCES + static bool warned = false; + if (!warned) { + mark_tech_preview("Intel Software Guard Extensions (SGX)", NULL); + warned = true; + } +#endif + file->private_data = encl; return 0; -- https://gitlab.com/cki-project/kernel-ark/-/merge_requests/1610 _______________________________________________ kernel mailing list -- kernel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to kernel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/kernel@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure