Re: [Xen-devel] [Qemu-devel] [PATCH] fix QEMU build on Xen/ARM

[Don Slutz <dslutz@xxxxxxxxxxx>]

On 01/22/15 13:46, Stefano Stabellini wrote:
> xen_get_vmport_regs_pfn should take a xen_pfn_t argument, not an
> unsigned long argument (in fact xen_pfn_t is defined as uint64_t on
> ARM).
> 
> Also use xc_hvm_param_get instead of the deprecated xc_get_hvm_param.
> 
> Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> 
> diff --git a/include/hw/xen/xen_common.h b/include/hw/xen/xen_common.h
> index 519696f..355fbac 100644
> --- a/include/hw/xen/xen_common.h
> +++ b/include/hw/xen/xen_common.h
> @@ -168,14 +168,16 @@ void xen_shutdown_fatal_error(const char *fmt, ...) 
> GCC_FMT_ATTR(1, 2);
>  
>  #ifdef HVM_PARAM_VMPORT_REGS_PFN
>  static inline int xen_get_vmport_regs_pfn(XenXC xc, domid_t dom,
> -                                          unsigned long *vmport_regs_pfn)
> +                                          xen_pfn_t *vmport_regs_pfn)
>  {
> -    return xc_get_hvm_param(xc, dom, HVM_PARAM_VMPORT_REGS_PFN,
> -                            vmport_regs_pfn);
> +    uint64_t value;
> +    return xc_hvm_param_get(xc, dom, HVM_PARAM_VMPORT_REGS_PFN,
> +                            &value);

This is not going to work.  Maybe "int rc =" instead of return?

(See if if this time the reply is not a big mess.)
    -Don Slutz

> +    *vmport_regs_pfn = (xen_pfn_t) value;
>  }
>  #else
>  static inline int xen_get_vmport_regs_pfn(XenXC xc, domid_t dom,
> -                                          unsigned long *vmport_regs_pfn)
> +                                          xen_pfn_t *vmport_regs_pfn)
>  {
>      return -ENOSYS;
>  }
> 
> 

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