Re: [PATCH, RFC 18/22] Xen: SWIOTLB is only used on x86

[Stefano Stabellini]

On Thu, 2 May 2013, Arnd Bergmann wrote:
> Enabling SWIOTLB_XEN on ARM results in build errors because the
> underlying SWIOTLB is only available on X86:
> 
> drivers/xen/swiotlb-xen.c: In function 'is_xen_swiotlb_buffer':
> drivers/xen/swiotlb-xen.c:105:2: error: implicit declaration of function 'mfn_to_local_pfn
> 
> Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

Acked-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>


>  drivers/xen/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
> index dd4d9cb..f03bf50 100644
> --- a/drivers/xen/Kconfig
> +++ b/drivers/xen/Kconfig
> @@ -141,7 +141,7 @@ config XEN_GRANT_DEV_ALLOC
>  
>  config SWIOTLB_XEN
>  	def_bool y
> -	depends on PCI
> +	depends on PCI && X86
>  	select SWIOTLB
>  
>  config XEN_TMEM
> -- 
> 1.8.1.2
> 
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