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iommu-helper: move the IOMMU_HELPER config symbol to lib/ 

This way we have one central definition of it, and user can select it as
needed.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
This commit is contained in:
Christoph Hellwig 2018-04-03 15:47:59 +02:00
parent 79c1879ee5
commit a4ce5a48d7
5 changed files with 9 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/powerpc/Kconfig
View File

@ -222,6 +222,7 @@ config PPC
select HAVE_SYSCALL_TRACEPOINTS
select HAVE_VIRT_CPU_ACCOUNTING
select HAVE_IRQ_TIME_ACCOUNTING
select IOMMU_HELPER if PPC64
select IRQ_DOMAIN
select IRQ_FORCED_THREADING
select MODULES_USE_ELF_RELA
@ -477,9 +478,6 @@ config MPROFILE_KERNEL
depends on PPC64 && CPU_LITTLE_ENDIAN
def_bool !DISABLE_MPROFILE_KERNEL
config IOMMU_HELPER
def_bool PPC64
config SWIOTLB
bool "SWIOTLB support"
default n

5
arch/s390/Kconfig
View File

@ -708,7 +708,9 @@ config QDIO
menuconfig PCI
bool "PCI support"
select PCI_MSI
select IOMMU_HELPER
select IOMMU_SUPPORT
help
Enable PCI support.
@ -732,9 +734,6 @@ config PCI_DOMAINS
config HAS_IOMEM
def_bool PCI
config IOMMU_HELPER
def_bool PCI
config NEED_SG_DMA_LENGTH
def_bool PCI

5
arch/sparc/Kconfig
View File

@ -66,6 +66,7 @@ config SPARC64
select HAVE_SYSCALL_TRACEPOINTS
select HAVE_CONTEXT_TRACKING
select HAVE_DEBUG_KMEMLEAK
select IOMMU_HELPER
select SPARSE_IRQ
select RTC_DRV_CMOS
select RTC_DRV_BQ4802
@ -105,10 +106,6 @@ config ARCH_DMA_ADDR_T_64BIT
bool
default y if ARCH_ATU
config IOMMU_HELPER
bool
default y if SPARC64
config STACKTRACE_SUPPORT
bool
default y if SPARC64

6
arch/x86/Kconfig
View File

@ -874,6 +874,7 @@ config DMI
config GART_IOMMU
bool "Old AMD GART IOMMU support"
select IOMMU_HELPER
select SWIOTLB
depends on X86_64 && PCI && AMD_NB
---help---
@ -895,6 +896,7 @@ config GART_IOMMU
config CALGARY_IOMMU
bool "IBM Calgary IOMMU support"
select IOMMU_HELPER
select SWIOTLB
depends on X86_64 && PCI
---help---
@ -932,10 +934,6 @@ config SWIOTLB
with more than 3 GB of memory.
If unsure, say Y.
config IOMMU_HELPER
def_bool y
depends on CALGARY_IOMMU || GART_IOMMU
config MAXSMP
bool "Enable Maximum number of SMP Processors and NUMA Nodes"
depends on X86_64 && SMP && DEBUG_KERNEL

3
lib/Kconfig
View File

@ -429,6 +429,9 @@ config SGL_ALLOC
bool
default n
config IOMMU_HELPER
bool
config DMA_DIRECT_OPS
bool
depends on HAS_DMA && (!64BIT || ARCH_DMA_ADDR_T_64BIT)