Merge branch 'rdtsc-spoof' into lowlatency-develop

.gitmodules

@@ -1,6 +1,7 @@
-[submodule "submodules/zfsonlinux"]
-	path = submodules/zfsonlinux
-	url = ../zfsonlinux
 [submodule "submodules/ubuntu-kernel"]
 	path = submodules/ubuntu-kernel
-	url = ../mirror_ubuntu-kernels
+	url = https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/jammy/
+	branch = lowlatency-hwe-6.8-next
+[submodule "submodules/zfsonlinux"]
+	path = submodules/zfsonlinux
+	url = https://git.proxmox.com/git/zfsonlinux.git

patches/kernel/9999-rdtsc-spoof-hook.patch

@@ -0,0 +1,51 @@
+diff -Naur --no-dereference a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
+--- a/arch/x86/kvm/vmx/vmx.c     2024-07-01 21:03:34.000000000 +0300
++++ b/arch/x86/kvm/vmx/vmx.c     2024-07-01 20:24:05.000000000 +0300
+@@ -6137,6 +6137,10 @@
+ 	[EXIT_REASON_ENCLS]		      = handle_encls,
+ 	[EXIT_REASON_BUS_LOCK]                = handle_bus_lock_vmexit,
+ 	[EXIT_REASON_NOTIFY]		      = handle_notify,
++	[EXIT_REASON_RDTSC]                        = handle_rdtsc,
++	[EXIT_REASON_RDTSCP]               = handle_rdtscp,
++	[EXIT_REASON_UMWAIT]                  = handle_umwait,
++	[EXIT_REASON_TPAUSE]                  = handle_tpause,
+ };
+ 
+ static const int kvm_vmx_max_exit_handlers =
+@@ -6079,6 +6079,36 @@
+ 	return 1;
+ }
+ 
++static int handle_rdtsc(struct kvm_vcpu *vcpu)
++{
++	u64 _rdtsc = rdtsc();
++	printk_once("[HookEntry] hook entry function handle_rdtsc is working, return the rdtsc() if no hook , you can hook here!\n");
++	vcpu->arch.regs[VCPU_REGS_RAX] = _rdtsc & -1u;
++	vcpu->arch.regs[VCPU_REGS_RDX] = (_rdtsc >> 32) & -1u;
++	return kvm_skip_emulated_instruction(vcpu);
++}
++
++static int handle_rdtscp(struct kvm_vcpu *vcpu)
++{
++	u64 _rdtsc = rdtsc();
++	printk_once("[HookEntry] hook entry function handle_rdtscp is working, return the rdtsc() if no hook , you can hook here!\n");
++	vcpu->arch.regs[VCPU_REGS_RAX] = _rdtsc & -1u;
++	vcpu->arch.regs[VCPU_REGS_RDX] = (_rdtsc >> 32) & -1u;
++	return kvm_skip_emulated_instruction(vcpu);
++}
++
++static int handle_umwait(struct kvm_vcpu *vcpu)
++{
++	kvm_skip_emulated_instruction(vcpu);
++	return 1;
++}
++
++static int handle_tpause(struct kvm_vcpu *vcpu)
++{
++	kvm_skip_emulated_instruction(vcpu);
++	return 1;
++}
++
+ /*
+  * The exit handlers return 1 if the exit was handled fully and guest execution
+  * may resume.  Otherwise they set the kvm_run parameter to indicate what needs

submodules/ubuntu-kernel

@@ -1 +1 @@
-Subproject commit ffe6f6578643a9ae802c3eb5a64096f51a0e0524
+Subproject commit 8b97f8a67b8a1579d3bfe3ff1e933185941a6004