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SubjectRe: [PATCH v2] kvm:vmx: Fix typos comment in __loaded_vmcs_clear()
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On 2/22/22 11:40, Peng Hao wrote:
> From: Peng Hao <flyingpeng@tencent.com>
>
> Fix a comment documenting the memory barrier related to clearing a
> loaded_vmcs; loaded_vmcs tracks the host CPU the VMCS is loaded on via
> the field 'cpu', it doesn't have a 'vcpu' field.
>
> Reviewed-by: Sean Christopherson <seanjc@google.com>
> Signed-off-by: Peng Hao <flyingpeng@tencent.com>
> ---
> arch/x86/kvm/vmx/vmx.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
> index 6101c2980a9c..75ed7d6f35cc 100644
> --- a/arch/x86/kvm/vmx/vmx.c
> +++ b/arch/x86/kvm/vmx/vmx.c
> @@ -644,10 +644,10 @@ static void __loaded_vmcs_clear(void *arg)
>
> /*
> * Ensure all writes to loaded_vmcs, including deleting it from its
> - * current percpu list, complete before setting loaded_vmcs->vcpu to
> - * -1, otherwise a different cpu can see vcpu == -1 first and add
> - * loaded_vmcs to its percpu list before it's deleted from this cpu's
> - * list. Pairs with the smp_rmb() in vmx_vcpu_load_vmcs().
> + * current percpu list, complete before setting loaded_vmcs->cpu to
> + * -1, otherwise a different cpu can see loaded_vmcs->cpu == -1 first
> + * and add loaded_vmcs to its percpu list before it's deleted from this
> + * cpu's list. Pairs with the smp_rmb() in vmx_vcpu_load_vmcs().
> */
> smp_wmb();
>

Queued, thanks.

Paolo

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