summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2018-04-03 15:47:59 +0200
committerChristoph Hellwig <hch@lst.de>2018-05-09 06:55:51 +0200
commita4ce5a48d753d56827c1e0a0fa7770a27879bd0f (patch)
treed97bfb76b09a2b0dede3bfde87e5a32a7eacaa08
parent79c1879ee5473e3404469b07f9bccfe6d0814b93 (diff)
downloadop-kernel-dev-a4ce5a48d753d56827c1e0a0fa7770a27879bd0f.zip
op-kernel-dev-a4ce5a48d753d56827c1e0a0fa7770a27879bd0f.tar.gz
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>
-rw-r--r--arch/powerpc/Kconfig4
-rw-r--r--arch/s390/Kconfig5
-rw-r--r--arch/sparc/Kconfig5
-rw-r--r--arch/x86/Kconfig6
-rw-r--r--lib/Kconfig3
5 files changed, 9 insertions, 14 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 5cf611f..bd1cd84 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -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
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index aa734f3..89c0c72 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -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
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 92f8a4a..3c1740a 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -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
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index a43f21e..4faa505 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -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
diff --git a/lib/Kconfig b/lib/Kconfig
index 5fe5776..2f69085 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -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)
OpenPOWER on IntegriCloud