[08/29] KVM: nVMX: Drop STACK_FRAME_NON_STANDARD from nested_vmx_check_vmentry_hw()
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Message ID 20190118212037.24412-9-sean.j.christopherson@intel.com
State New
Headers show
Series
  • KVM: VMX: Move vCPU-run to proper asm sub-routine
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Commit Message

Sean Christopherson Jan. 18, 2019, 9:20 p.m. UTC
...as it doesn't technically actually do anything non-standard with the
stack even though it modifies RSP in a weird way.  E.g. RSP is loaded
with VMCS.HOST_RSP if the VM-Enter gets far enough to trigger VM-Exit,
but it's simply reloaded with the current value.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
---
 arch/x86/kvm/vmx/nested.c | 2 --
 1 file changed, 2 deletions(-)

Patch
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diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index 489f085c406b..5f0bc872edca 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -2808,8 +2808,6 @@  static int nested_vmx_check_vmentry_hw(struct kvm_vcpu *vcpu)
 
 	return 0;
 }
-STACK_FRAME_NON_STANDARD(nested_vmx_check_vmentry_hw);
-
 
 static inline bool nested_vmx_prepare_msr_bitmap(struct kvm_vcpu *vcpu,
 						 struct vmcs12 *vmcs12);