On Mon, Apr 23, 2018 at 07:04:17PM +0200, Christoph Hellwig wrote: > swiotlb is only used as a library of helper for xen-swiotlb if Xen support > is enabled on arm, so don't build it by default. > CCing Stefano > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > --- > arch/arm/Kconfig | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig > index aa1c187d756d..90b81a3a28a7 100644 > --- a/arch/arm/Kconfig > +++ b/arch/arm/Kconfig > @@ -1774,7 +1774,7 @@ config SECCOMP > defined by each seccomp mode. > > config SWIOTLB > - def_bool y > + bool > > config PARAVIRT > bool "Enable paravirtualization code" > @@ -1807,6 +1807,7 @@ config XEN > depends on MMU > select ARCH_DMA_ADDR_T_64BIT > select ARM_PSCI > + select SWIOTLB > select SWIOTLB_XEN > select PARAVIRT > help > -- > 2.17.0 >