[10/12] arm: don't build swiotlb by default

Message ID 20180415145947.1248-11-hch@lst.de
State Not Applicable
Headers show
Series
  • [01/12] iommu-common: move to arch/sparc
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Commit Message

Christoph Hellwig April 15, 2018, 2:59 p.m.
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.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 arch/arm/Kconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Patch

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