[PATCH v2 11/50] KVM: VMX: Don't bother disabling eVMCS static key on module exit
From: Sean Christopherson <seanjc@google.com>
Date: 2022-11-30 23:11:23
Also in:
kvm, kvm-riscv, kvmarm, linux-arm-kernel, linux-mips, linux-riscv, linux-s390, lkml
Subsystem:
kernel virtual machine for x86 (kvm/x86), the rest, x86 architecture (32-bit and 64-bit) · Maintainers:
Sean Christopherson, Paolo Bonzini, Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
Don't disable the eVMCS static key on module exit, kvm_intel.ko owns the key so there can't possibly be users after the kvm_intel.ko is unloaded, at least not without much bigger issues. Signed-off-by: Sean Christopherson <seanjc@google.com> --- arch/x86/kvm/vmx/vmx.c | 4 ---- 1 file changed, 4 deletions(-)
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index d85d175dca70..c0de7160700b 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c@@ -8490,10 +8490,6 @@ static void vmx_exit(void) kvm_exit(); -#if IS_ENABLED(CONFIG_HYPERV) - if (static_branch_unlikely(&enable_evmcs)) - static_branch_disable(&enable_evmcs); -#endif vmx_cleanup_l1d_flush(); allow_smaller_maxphyaddr = false;
--
2.38.1.584.g0f3c55d4c2-goog