From f33f61bdb7ca6d5ebe7a78f9d8694b91360279ac Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 04 Dec 2023 07:10:27 +0000
Subject: [PATCH] add gpio

---
 kernel/arch/x86/kvm/x86.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/kernel/arch/x86/kvm/x86.c b/kernel/arch/x86/kvm/x86.c
index 417abc9..9829e0f 100644
--- a/kernel/arch/x86/kvm/x86.c
+++ b/kernel/arch/x86/kvm/x86.c
@@ -6875,6 +6875,13 @@
 		goto out;
 	}
 
+#ifdef CONFIG_PREEMPT_RT_FULL
+	if (!boot_cpu_has(X86_FEATURE_CONSTANT_TSC)) {
+		printk(KERN_ERR "RT requires X86_FEATURE_CONSTANT_TSC\n");
+		return -EOPNOTSUPP;
+	}
+#endif
+
 	r = kvm_mmu_module_init();
 	if (r)
 		goto out_free_percpu;

--
Gitblit v1.6.2