Re: [PATCH] [19/23] KVM: Fix unused but set warnings

[Avi Kivity]

On 06/10/2010 02:10 PM, Andi Kleen wrote:
> No real bugs in this one, the real bug I found is in a separate
> patch.
>
>
> Index: linux-2.6.35-rc2-gcc/arch/x86/kvm/vmx.c
> ===================================================================
> --- linux-2.6.35-rc2-gcc.orig/arch/x86/kvm/vmx.c
> +++ linux-2.6.35-rc2-gcc/arch/x86/kvm/vmx.c
> @@ -1624,10 +1624,9 @@ static void enter_pmode(struct kvm_vcpu
>   static gva_t rmode_tss_base(struct kvm *kvm)
>   {
>   	if (!kvm->arch.tss_addr) {
> -		struct kvm_memslots *slots;
>   		gfn_t base_gfn;
>
> -		slots = kvm_memslots(kvm);
> +		kvm_memslots(kvm);
>   		base_gfn = kvm->memslots->memslots[0].base_gfn +
>   				 kvm->memslots->memslots[0].npages - 3;
>   		return base_gfn<<  PAGE_SHIFT;
>    

I think the base_gfn assignment below needs to use slots to get the rcu 
dereference correct.  I'll apply the patch without this hunk and fix it 
independently.


--
error compiling committee.c: too many arguments to function

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