[PATCH 05/12] scatterlist: move the NEED_SG_DMA_LENGTH config symbol to lib/Kconfig

2018-04-23 Thread Christoph Hellwig 
This way we have one central definition of it, and user can select it as
needed.

Signed-off-by: Christoph Hellwig 
Reviewed-by: Anshuman Khandual 
---
 arch/alpha/Kconfig  | 4 +---
 arch/arm/Kconfig| 3 ---
 arch/arm64/Kconfig  | 4 +---
 arch/hexagon/Kconfig| 4 +---
 arch/ia64/Kconfig   | 4 +---
 arch/mips/cavium-octeon/Kconfig | 3 ---
 arch/mips/loongson64/Kconfig| 3 ---
 arch/mips/netlogic/Kconfig  | 3 ---
 arch/parisc/Kconfig | 4 +---
 arch/powerpc/Kconfig| 4 +---
 arch/s390/Kconfig   | 4 +---
 arch/sh/Kconfig | 5 ++---
 arch/sparc/Kconfig  | 4 +---
 arch/unicore32/mm/Kconfig   | 5 +
 arch/x86/Kconfig| 4 +---
 lib/Kconfig | 3 +++
 16 files changed, 15 insertions(+), 46 deletions(-)

diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 3ff735a722af..8e6a67ecf069 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -10,6 +10,7 @@ config ALPHA
select HAVE_OPROFILE
select HAVE_PCSPKR_PLATFORM
select HAVE_PERF_EVENTS
+   select NEED_SG_DMA_LENGTH
select VIRT_TO_BUS
select GENERIC_IRQ_PROBE
select AUTO_IRQ_AFFINITY if SMP
@@ -70,9 +71,6 @@ config ARCH_DMA_ADDR_T_64BIT
 config NEED_DMA_MAP_STATE
def_bool y
 
-config NEED_SG_DMA_LENGTH
-   def_bool y
-
 config GENERIC_ISA_DMA
bool
default y
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 2f79222c5c02..602c8320282f 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -119,9 +119,6 @@ config ARM_HAS_SG_CHAIN
select ARCH_HAS_SG_CHAIN
bool
 
-config NEED_SG_DMA_LENGTH
-   bool
-
 config ARM_DMA_USE_IOMMU
bool
select ARM_HAS_SG_CHAIN
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index fbef5d3de83f..3b441c5587f1 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -133,6 +133,7 @@ config ARM64
select IRQ_FORCED_THREADING
select MODULES_USE_ELF_RELA
select MULTI_IRQ_HANDLER
+   select NEED_SG_DMA_LENGTH
select NO_BOOTMEM
select OF
select OF_EARLY_FLATTREE
@@ -243,9 +244,6 @@ config ARCH_DMA_ADDR_T_64BIT
 config NEED_DMA_MAP_STATE
def_bool y
 
-config NEED_SG_DMA_LENGTH
-   def_bool y
-
 config SMP
def_bool y
 
diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig
index 76d2f20d525e..37adb2003033 100644
--- a/arch/hexagon/Kconfig
+++ b/arch/hexagon/Kconfig
@@ -19,6 +19,7 @@ config HEXAGON
select GENERIC_IRQ_SHOW
select HAVE_ARCH_KGDB
select HAVE_ARCH_TRACEHOOK
+   select NEED_SG_DMA_LENGTH
select NO_IOPORT_MAP
select GENERIC_IOMAP
select GENERIC_SMP_IDLE_THREAD
@@ -63,9 +64,6 @@ config GENERIC_CSUM
 config GENERIC_IRQ_PROBE
def_bool y
 
-config NEED_SG_DMA_LENGTH
-   def_bool y
-
 config RWSEM_GENERIC_SPINLOCK
def_bool n
 
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 862c5160c09d..333917676f7f 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -54,6 +54,7 @@ config IA64
select MODULES_USE_ELF_RELA
select ARCH_USE_CMPXCHG_LOCKREF
select HAVE_ARCH_AUDITSYSCALL
+   select NEED_SG_DMA_LENGTH
default y
help
  The Itanium Processor Family is Intel's 64-bit successor to
@@ -84,9 +85,6 @@ config ARCH_DMA_ADDR_T_64BIT
 config NEED_DMA_MAP_STATE
def_bool y
 
-config NEED_SG_DMA_LENGTH
-   def_bool y
-
 config SWIOTLB
bool
 
diff --git a/arch/mips/cavium-octeon/Kconfig b/arch/mips/cavium-octeon/Kconfig
index 647ed158ac98..5d73041547a7 100644
--- a/arch/mips/cavium-octeon/Kconfig
+++ b/arch/mips/cavium-octeon/Kconfig
@@ -67,9 +67,6 @@ config CAVIUM_OCTEON_LOCK_L2_MEMCPY
help
  Lock the kernel's implementation of memcpy() into L2.
 
-config NEED_SG_DMA_LENGTH
-   bool
-
 config SWIOTLB
def_bool y
select DMA_DIRECT_OPS
diff --git a/arch/mips/loongson64/Kconfig b/arch/mips/loongson64/Kconfig
index 5efb2e63878e..641a1477031e 100644
--- a/arch/mips/loongson64/Kconfig
+++ b/arch/mips/loongson64/Kconfig
@@ -130,9 +130,6 @@ config LOONGSON_UART_BASE
default y
depends on EARLY_PRINTK || SERIAL_8250
 
-config NEED_SG_DMA_LENGTH
-   bool
-
 config SWIOTLB
bool "Soft IOMMU Support for All-Memory DMA"
default y
diff --git a/arch/mips/netlogic/Kconfig b/arch/mips/netlogic/Kconfig
index 5c5ee0e05a17..412351c5acc6 100644
--- a/arch/mips/netlogic/Kconfig
+++ b/arch/mips/netlogic/Kconfig
@@ -83,7 +83,4 @@ endif
 config NLM_COMMON
bool
 
-config NEED_SG_DMA_LENGTH
-   bool
-
 endif
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index fc5a574c3482..89caea87556e 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -51,6 +51,7 @@ config PARISC
select GENERIC_CLOCKEVENTS
select

Re: [PATCH 05/12] scatterlist: move the NEED_SG_DMA_LENGTH config symbol to lib/Kconfig

2018-04-16 Thread Anshuman Khandual 
On 04/15/2018 08:29 PM, Christoph Hellwig wrote:
> This way we have one central definition of it, and user can select it as
> needed.
> 
> Signed-off-by: Christoph Hellwig 

Reviewed-by: Anshuman Khandual

[PATCH 05/12] scatterlist: move the NEED_SG_DMA_LENGTH config symbol to lib/Kconfig

2018-04-15 Thread Christoph Hellwig 
This way we have one central definition of it, and user can select it as
needed.

Signed-off-by: Christoph Hellwig 
---
 arch/alpha/Kconfig  | 4 +---
 arch/arm/Kconfig| 3 ---
 arch/arm64/Kconfig  | 4 +---
 arch/hexagon/Kconfig| 4 +---
 arch/ia64/Kconfig   | 4 +---
 arch/mips/cavium-octeon/Kconfig | 3 ---
 arch/mips/loongson64/Kconfig| 3 ---
 arch/mips/netlogic/Kconfig  | 3 ---
 arch/parisc/Kconfig | 4 +---
 arch/powerpc/Kconfig| 4 +---
 arch/s390/Kconfig   | 4 +---
 arch/sh/Kconfig | 5 ++---
 arch/sparc/Kconfig  | 4 +---
 arch/unicore32/mm/Kconfig   | 5 +
 arch/x86/Kconfig| 4 +---
 lib/Kconfig | 3 +++
 16 files changed, 15 insertions(+), 46 deletions(-)

diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 3ff735a722af..8e6a67ecf069 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -10,6 +10,7 @@ config ALPHA
select HAVE_OPROFILE
select HAVE_PCSPKR_PLATFORM
select HAVE_PERF_EVENTS
+   select NEED_SG_DMA_LENGTH
select VIRT_TO_BUS
select GENERIC_IRQ_PROBE
select AUTO_IRQ_AFFINITY if SMP
@@ -70,9 +71,6 @@ config ARCH_DMA_ADDR_T_64BIT
 config NEED_DMA_MAP_STATE
def_bool y
 
-config NEED_SG_DMA_LENGTH
-   def_bool y
-
 config GENERIC_ISA_DMA
bool
default y
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 2f79222c5c02..602c8320282f 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -119,9 +119,6 @@ config ARM_HAS_SG_CHAIN
select ARCH_HAS_SG_CHAIN
bool
 
-config NEED_SG_DMA_LENGTH
-   bool
-
 config ARM_DMA_USE_IOMMU
bool
select ARM_HAS_SG_CHAIN
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index fbef5d3de83f..3b441c5587f1 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -133,6 +133,7 @@ config ARM64
select IRQ_FORCED_THREADING
select MODULES_USE_ELF_RELA
select MULTI_IRQ_HANDLER
+   select NEED_SG_DMA_LENGTH
select NO_BOOTMEM
select OF
select OF_EARLY_FLATTREE
@@ -243,9 +244,6 @@ config ARCH_DMA_ADDR_T_64BIT
 config NEED_DMA_MAP_STATE
def_bool y
 
-config NEED_SG_DMA_LENGTH
-   def_bool y
-
 config SMP
def_bool y
 
diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig
index 76d2f20d525e..37adb2003033 100644
--- a/arch/hexagon/Kconfig
+++ b/arch/hexagon/Kconfig
@@ -19,6 +19,7 @@ config HEXAGON
select GENERIC_IRQ_SHOW
select HAVE_ARCH_KGDB
select HAVE_ARCH_TRACEHOOK
+   select NEED_SG_DMA_LENGTH
select NO_IOPORT_MAP
select GENERIC_IOMAP
select GENERIC_SMP_IDLE_THREAD
@@ -63,9 +64,6 @@ config GENERIC_CSUM
 config GENERIC_IRQ_PROBE
def_bool y
 
-config NEED_SG_DMA_LENGTH
-   def_bool y
-
 config RWSEM_GENERIC_SPINLOCK
def_bool n
 
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 862c5160c09d..333917676f7f 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -54,6 +54,7 @@ config IA64
select MODULES_USE_ELF_RELA
select ARCH_USE_CMPXCHG_LOCKREF
select HAVE_ARCH_AUDITSYSCALL
+   select NEED_SG_DMA_LENGTH
default y
help
  The Itanium Processor Family is Intel's 64-bit successor to
@@ -84,9 +85,6 @@ config ARCH_DMA_ADDR_T_64BIT
 config NEED_DMA_MAP_STATE
def_bool y
 
-config NEED_SG_DMA_LENGTH
-   def_bool y
-
 config SWIOTLB
bool
 
diff --git a/arch/mips/cavium-octeon/Kconfig b/arch/mips/cavium-octeon/Kconfig
index 647ed158ac98..5d73041547a7 100644
--- a/arch/mips/cavium-octeon/Kconfig
+++ b/arch/mips/cavium-octeon/Kconfig
@@ -67,9 +67,6 @@ config CAVIUM_OCTEON_LOCK_L2_MEMCPY
help
  Lock the kernel's implementation of memcpy() into L2.
 
-config NEED_SG_DMA_LENGTH
-   bool
-
 config SWIOTLB
def_bool y
select DMA_DIRECT_OPS
diff --git a/arch/mips/loongson64/Kconfig b/arch/mips/loongson64/Kconfig
index 5efb2e63878e..641a1477031e 100644
--- a/arch/mips/loongson64/Kconfig
+++ b/arch/mips/loongson64/Kconfig
@@ -130,9 +130,6 @@ config LOONGSON_UART_BASE
default y
depends on EARLY_PRINTK || SERIAL_8250
 
-config NEED_SG_DMA_LENGTH
-   bool
-
 config SWIOTLB
bool "Soft IOMMU Support for All-Memory DMA"
default y
diff --git a/arch/mips/netlogic/Kconfig b/arch/mips/netlogic/Kconfig
index 5c5ee0e05a17..412351c5acc6 100644
--- a/arch/mips/netlogic/Kconfig
+++ b/arch/mips/netlogic/Kconfig
@@ -83,7 +83,4 @@ endif
 config NLM_COMMON
bool
 
-config NEED_SG_DMA_LENGTH
-   bool
-
 endif
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 7e0bb9836b58..491912f9b978 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -51,6 +51,7 @@ config PARISC
select GENERIC_CLOCKEVENTS
select ARCH_NO_COHERENT_DMA_MMAP
select CPU_NO_EFFICIENT_FFS
+