Re: [PATCH] KVM: x86: hyper-v: Fix erroneous 'current_vcpu' usage in kvm_hv_flush_tlb()

[Paolo Bonzini <pbonzini@redhat.com>]

On 09/02/21 10:04, Vitaly Kuznetsov wrote:
> Previously, we used to use 'current_vcpu' instead of 'vcpu' in
> kvm_hv_flush_tlb() but this is no longer the case, it should clearly
> be 'vcpu' here, a mistake was made during rebase.
> 
> Reported-by: Maxim Levitsky <mlevitsk@redhat.com>
> Fixes: d210b1e5b685 ("KVM: x86: hyper-v: Always use to_hv_vcpu() accessor to get to 'struct kvm_vcpu_hv'"
> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
> ---
> The broken patch is only in kvm/queue atm, we may as well want
> to squash the change.
> ---
>   arch/x86/kvm/hyperv.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
> index 880ba3c678db..7d2dae92d638 100644
> --- a/arch/x86/kvm/hyperv.c
> +++ b/arch/x86/kvm/hyperv.c
> @@ -1555,7 +1555,7 @@ static __always_inline unsigned long *sparse_set_to_vcpu_mask(
>   static u64 kvm_hv_flush_tlb(struct kvm_vcpu *vcpu, u64 ingpa, u16 rep_cnt, bool ex)
>   {
>   	struct kvm *kvm = vcpu->kvm;
> -	struct kvm_vcpu_hv *hv_vcpu = to_hv_vcpu(current_vcpu);
> +	struct kvm_vcpu_hv *hv_vcpu = to_hv_vcpu(vcpu);
>   	struct hv_tlb_flush_ex flush_ex;
>   	struct hv_tlb_flush flush;
>   	u64 vp_bitmap[KVM_HV_MAX_SPARSE_VCPU_SET_BITS];
> 

Squashed, thanks.

Paolo