Re: [PATCH 10/15] swiotlb: add a SWIOTLB_ANY flag to lift the low memory restriction

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> diff --git a/arch/powerpc/platforms/pseries/svm.c b/arch/powerpc/platforms/pseries/svm.c
> index c5228f4969eb2..3b4045d508ec8 100644
> --- a/arch/powerpc/platforms/pseries/svm.c
> +++ b/arch/powerpc/platforms/pseries/svm.c
> @@ -28,7 +28,7 @@ static int __init init_svm(void)
>  	 * need to use the SWIOTLB buffer for DMA even if dma_capable() says
>  	 * otherwise.
>  	 */
> -	swiotlb_force = SWIOTLB_FORCE;
> +	ppc_swiotlb_flags |= SWIOTLB_ANY | SWIOTLB_FORCE;

This is the only place you set the ppc_swiotlb_flags.. so I wonder why
the '|=' instead of just '=' ?

Either way:
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

Thank you!



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