> 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!