2015-10-12 14:09+0200, Paolo Bonzini:
> The next patch will make x86_set_memory_region fill the
> userspace_addr.  Since the struct is not used untouched
> anymore, it makes sense to build it in x86_set_memory_region
> directly; it also simplifies the callers.
> 
> Reported-by: Alexandre DERUMIER <[email protected]>
> Cc: [email protected]
> Fixes: 9da0e4d5ac969909f6b435ce28ea28135a9cbd69
> Signed-off-by: Paolo Bonzini <[email protected]>
> ---
> diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
> @@ -1199,9 +1199,7 @@ void kvm_complete_insn_gp(struct kvm_vcpu *vcpu, int 
> err);
> -int __x86_set_memory_region(struct kvm *kvm,
> -                         const struct kvm_userspace_memory_region *mem);
> -int x86_set_memory_region(struct kvm *kvm,
> -                       const struct kvm_userspace_memory_region *mem);
> +int __x86_set_memory_region(struct kvm *kvm, int id, gpa_t gpa, u32 size);
> +int x86_set_memory_region(struct kvm *kvm, int id, gpa_t gpa, u32 size);

kvm_userspace_memory_region has u64 size, but we only use this for few
pages anyway and will hopefully get a warning from GCC if that changes.

Patch makes the code much better,

Reviewed-by: Radim Krčmář <[email protected]>
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