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SubjectRe: [PATCH 1/4] x86/kvm: remove a redundant variable
Similar comments to the other patch.  "KVM: VMX:" for the scope, and a more descriptive
shortlog.

Also, this patch isn't part of a series, it should be simply "PATCH", not "patch 1/4".

On Fri, Feb 18, 2022, Peng Hao wrote:
> variable 'cpu' is defined repeatedly.

The changelog should make it clear why it's ok to remove the redundant variable.
E.g.

KVM: VMX: Remove scratch 'cpu' variable that shadows an identical scratch var

Remove a redundant 'cpu' declaration from inside an if-statement that
that shadows an identical declaration at function scope. Both variables
are used as scratch variables in for_each_*_cpu() loops, thus there's no
harm in sharing a variable.

With that,

Reviewed-by: Sean Christopherson <seanjc@google.com>

> Signed-off-by: Peng Hao <flyingpeng@tencent.com>
> ---
> arch/x86/kvm/vmx/vmx.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
> index ba66c171d951..6101c2980a9c 100644
> --- a/arch/x86/kvm/vmx/vmx.c
> +++ b/arch/x86/kvm/vmx/vmx.c
> @@ -7931,7 +7931,6 @@ static int __init vmx_init(void)
> ms_hyperv.hints & HV_X64_ENLIGHTENED_VMCS_RECOMMENDED &&
> (ms_hyperv.nested_features & HV_X64_ENLIGHTENED_VMCS_VERSION) >=
> KVM_EVMCS_VERSION) {
> - int cpu;
>
> /* Check that we have assist pages on all online CPUs */
> for_each_online_cpu(cpu) {
> --
> 2.27.0
>

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