Re: [Qemu-devel] [PATCH v2] kvm: Avoid COW if KVM MMU is asynchronous

[Avi Kivity]

Jan Kiszka wrote:
> If the KVM MMU is asynchronous (kernel does not support MMU_NOTIFIER),
> we have to avoid COW for the guest memory. Otherwise we risk serious
> breakage when guest pages change there physical locations due to COW
> after fork. Seen when forking smbd during runtime via -smb.
>
>  
>      last_ram_offset += size;
>  
> +    if (kvm_enabled())
> +        kvm_setup_guest_memory(new_block->host, size);
> +
>      return new_block->offset;
>  }
>   

I feel a little bad about picking such small nits, but the if statement 
requires braces.



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