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arch: define the ARCH_DMA_ADDR_T_64BIT config symbol in lib/Kconfig

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Define this symbol if the architecture either uses 64-bit pointers or the
PHYS_ADDR_T_64BIT is set.  This covers 95% of the old arch magic.  We only
need an additional select for Xen on ARM (why anyway?), and we now always
set ARCH_DMA_ADDR_T_64BIT on mips boards with 64-bit physical addressing
instead of only doing it when highmem is set.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: James Hogan <jhogan@kernel.org>
This commit is contained in:
Christoph Hellwig 2018-04-03 16:26:52 +02:00
parent d4a451d5fc
commit 4965a68780
19 changed files with 3 additions and 42 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/alpha/Kconfig
View File

@ -66,9 +66,6 @@ config ZONE_DMA
bool
default y
config ARCH_DMA_ADDR_T_64BIT
def_bool y
config GENERIC_ISA_DMA
bool
default y

3
arch/arc/Kconfig
View File

@ -458,9 +458,6 @@ config ARC_HAS_PAE40
Enable access to physical memory beyond 4G, only supported on
ARC cores with 40 bit Physical Addressing support
config ARCH_DMA_ADDR_T_64BIT
bool
config ARC_KVADDR_SIZE
int "Kernel Virtual Address Space size (MB)"
range 0 512

1
arch/arm/mach-axxia/Kconfig
View File

@ -2,7 +2,6 @@
config ARCH_AXXIA
bool "LSI Axxia platforms"
depends on ARCH_MULTI_V7 && ARM_LPAE
select ARCH_DMA_ADDR_T_64BIT
select ARM_AMBA
select ARM_GIC
select ARM_TIMER_SP804

1
arch/arm/mach-bcm/Kconfig
View File

@ -211,7 +211,6 @@ config ARCH_BRCMSTB
select BRCMSTB_L2_IRQ
select BCM7120_L2_IRQ
select ARCH_HAS_HOLES_MEMORYMODEL
select ARCH_DMA_ADDR_T_64BIT if ARM_LPAE
select ZONE_DMA if ARM_LPAE
select SOC_BRCMSTB
select SOC_BUS

1
arch/arm/mach-exynos/Kconfig
View File

@ -112,7 +112,6 @@ config SOC_EXYNOS5440
bool "SAMSUNG EXYNOS5440"
default y
depends on ARCH_EXYNOS5
select ARCH_DMA_ADDR_T_64BIT if ARM_LPAE
select HAVE_ARM_ARCH_TIMER
select AUTO_ZRELADDR
select PINCTRL_EXYNOS5440

1
arch/arm/mach-highbank/Kconfig
View File

@ -1,7 +1,6 @@
config ARCH_HIGHBANK
bool "Calxeda ECX-1000/2000 (Highbank/Midway)"
depends on ARCH_MULTI_V7
select ARCH_DMA_ADDR_T_64BIT if ARM_LPAE
select ARCH_HAS_HOLES_MEMORYMODEL
select ARCH_SUPPORTS_BIG_ENDIAN
select ARM_AMBA

1
arch/arm/mach-rockchip/Kconfig
View File

@ -3,7 +3,6 @@ config ARCH_ROCKCHIP
depends on ARCH_MULTI_V7
select PINCTRL
select PINCTRL_ROCKCHIP
select ARCH_DMA_ADDR_T_64BIT if ARM_LPAE
select ARCH_HAS_RESET_CONTROLLER
select ARM_AMBA
select ARM_GIC

1
arch/arm/mach-shmobile/Kconfig
View File

@ -29,7 +29,6 @@ config ARCH_RMOBILE
menuconfig ARCH_RENESAS
bool "Renesas ARM SoCs"
depends on ARCH_MULTI_V7 && MMU
select ARCH_DMA_ADDR_T_64BIT if ARM_LPAE
select ARCH_SHMOBILE
select ARM_GIC
select GPIOLIB

1
arch/arm/mach-tegra/Kconfig
View File

@ -15,6 +15,5 @@ menuconfig ARCH_TEGRA
select RESET_CONTROLLER
select SOC_BUS
select ZONE_DMA if ARM_LPAE
select ARCH_DMA_ADDR_T_64BIT if ARM_LPAE
help
This enables support for NVIDIA Tegra based systems.

3
arch/arm/mm/Kconfig
View File

@ -674,9 +674,6 @@ config ARM_PV_FIXUP
def_bool y
depends on ARM_LPAE && ARM_PATCH_PHYS_VIRT && ARCH_KEYSTONE
config ARCH_DMA_ADDR_T_64BIT
bool
config ARM_THUMB
bool "Support Thumb user binaries" if !CPU_THUMBONLY && EXPERT
depends on CPU_THUMB_CAPABLE

3
arch/arm64/Kconfig
View File

@ -235,9 +235,6 @@ config ZONE_DMA32
config HAVE_GENERIC_GUP
def_bool y
config ARCH_DMA_ADDR_T_64BIT
def_bool y
config SMP
def_bool y

3
arch/ia64/Kconfig
View File

@ -79,9 +79,6 @@ config MMU
bool
default y
config ARCH_DMA_ADDR_T_64BIT
def_bool y
config SWIOTLB
bool

3
arch/mips/Kconfig
View File

@ -1100,9 +1100,6 @@ config GPIO_TXX9
config FW_CFE
bool
config ARCH_DMA_ADDR_T_64BIT
def_bool (HIGHMEM && PHYS_ADDR_T_64BIT) || 64BIT
config ARCH_SUPPORTS_UPROBES
bool

3
arch/powerpc/Kconfig
View File

@ -13,9 +13,6 @@ config 64BIT
bool
default y if PPC64
config ARCH_DMA_ADDR_T_64BIT
def_bool PHYS_ADDR_T_64BIT
config MMU
bool
default y

3
arch/riscv/Kconfig
View File

@ -44,9 +44,6 @@ config ZONE_DMA32
bool
default y
config ARCH_DMA_ADDR_T_64BIT
def_bool y
config PAGE_OFFSET
hex
default 0xC0000000 if 32BIT && MAXPHYSMEM_2GB

3
arch/s390/Kconfig
View File

@ -35,9 +35,6 @@ config GENERIC_BUG
config GENERIC_BUG_RELATIVE_POINTERS
def_bool y
config ARCH_DMA_ADDR_T_64BIT
def_bool y
config GENERIC_LOCKBREAK
def_bool y if SMP && PREEMPT

4
arch/sparc/Kconfig
View File

@ -104,10 +104,6 @@ config ARCH_ATU
bool
default y if SPARC64
config ARCH_DMA_ADDR_T_64BIT
bool
default y if ARCH_ATU
config STACKTRACE_SUPPORT
bool
default y if SPARC64

4
arch/x86/Kconfig
View File

@ -1479,10 +1479,6 @@ config X86_5LEVEL
Say N if unsure.
config ARCH_DMA_ADDR_T_64BIT
def_bool y
depends on X86_64 || HIGHMEM64G
config X86_DIRECT_GBPAGES
def_bool y
depends on X86_64 && !DEBUG_PAGEALLOC

3
lib/Kconfig
View File

@ -435,6 +435,9 @@ config NEED_SG_DMA_LENGTH
config NEED_DMA_MAP_STATE
bool
config ARCH_DMA_ADDR_T_64BIT
def_bool 64BIT || PHYS_ADDR_T_64BIT
config IOMMU_HELPER
bool