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Subject[PATCH 09/11] lib: consolidate the GENERIC_CSUM symbol
Date
Add one definition to lib/Kconfig and let the architectures
select if it supported.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
arch/arc/Kconfig | 4 +---
arch/arm64/Kconfig | 4 +---
arch/csky/Kconfig | 4 +---
arch/h8300/Kconfig | 4 +---
arch/hexagon/Kconfig | 4 +---
arch/m68k/Kconfig | 3 ---
arch/microblaze/Kconfig | 4 +---
arch/mips/Kconfig | 5 +----
arch/nds32/Kconfig | 4 +---
arch/nios2/Kconfig | 4 +---
arch/openrisc/Kconfig | 6 +-----
arch/powerpc/Kconfig | 3 ---
arch/riscv/Kconfig | 4 +---
arch/sh/Kconfig | 5 +----
arch/unicore32/Kconfig | 3 ---
lib/Kconfig | 3 +++
16 files changed, 15 insertions(+), 49 deletions(-)

diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index e965383c05d7..6476404b98b8 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -20,6 +20,7 @@ config ARC
select GENERIC_CALIBRATE_DELAY
select GENERIC_ATOMIC64 if !ISA_ARCV2 || !(ARC_HAS_LL64 && ARC_HAS_LLSC)
select GENERIC_CLOCKEVENTS
+ select GENERIC_CSUM
select GENERIC_FIND_FIRST_BIT
# for now, we don't need GENERIC_IRQ_PROBE, CONFIG_GENERIC_IRQ_CHIP
select GENERIC_IRQ_SHOW
@@ -59,9 +60,6 @@ config ARCH_HAS_CACHE_LINE_SIZE
config SCHED_OMIT_FRAME_POINTER
def_bool y

-config GENERIC_CSUM
- def_bool y
-
config ARCH_DISCONTIGMEM_ENABLE
def_bool n

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 913b2ca7ec22..7cc3334aba29 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -91,6 +91,7 @@ config ARM64
select GENERIC_CLOCKEVENTS
select GENERIC_CLOCKEVENTS_BROADCAST
select GENERIC_CPU_AUTOPROBE
+ select GENERIC_CSUM
select GENERIC_EARLY_IOREMAP
select GENERIC_IDLE_POLL_SETUP
select GENERIC_IRQ_MULTI_HANDLER
@@ -239,9 +240,6 @@ config ILLEGAL_POINTER_VALUE
config GENERIC_HWEIGHT
def_bool y

-config GENERIC_CSUM
- def_bool y
-
config ZONE_DMA32
def_bool y

diff --git a/arch/csky/Kconfig b/arch/csky/Kconfig
index 4085ba807e0c..c0a49cbd3df0 100644
--- a/arch/csky/Kconfig
+++ b/arch/csky/Kconfig
@@ -12,6 +12,7 @@ config CSKY
select HANDLE_DOMAIN_IRQ
select DW_APB_TIMER_OF
select GENERIC_CALIBRATE_DELAY
+ select GENERIC_CSUM
select GENERIC_LIB_ASHLDI3
select GENERIC_LIB_ASHRDI3
select GENERIC_LIB_LSHRDI3
@@ -83,9 +84,6 @@ config CPU_NO_USER_BKPT
instruction exception.
In kernel we parse the *regs->pc to determine whether to send SIGTRAP or not.

-config GENERIC_CSUM
- def_bool y
-
config GENERIC_HWEIGHT
def_bool y

diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig
index ba33326e7c54..4f5a1efab822 100644
--- a/arch/h8300/Kconfig
+++ b/arch/h8300/Kconfig
@@ -9,6 +9,7 @@ config H8300
select GENERIC_CPU_DEVICES
select MODULES_USE_ELF_RELA
select GENERIC_CLOCKEVENTS
+ select GENERIC_CSUM
select CLKDEV_LOOKUP
select COMMON_CLK
select ARCH_WANT_FRAME_POINTERS
@@ -32,9 +33,6 @@ config GENERIC_HWEIGHT
config NO_IOPORT_MAP
def_bool y

-config GENERIC_CSUM
- def_bool y
-
config HZ
int
default 100
diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig
index 5eb4f48506b6..7a01f4c5a4f6 100644
--- a/arch/hexagon/Kconfig
+++ b/arch/hexagon/Kconfig
@@ -19,6 +19,7 @@ config HEXAGON
select HAVE_PERF_EVENTS
# GENERIC_ALLOCATOR is used by dma_alloc_coherent()
select GENERIC_ALLOCATOR
+ select GENERIC_CSUM
select GENERIC_IRQ_SHOW
select HAVE_ARCH_KGDB
select HAVE_ARCH_TRACEHOOK
@@ -54,9 +55,6 @@ config EARLY_PRINTK
config MMU
def_bool y

-config GENERIC_CSUM
- def_bool y
-
#
# Use the generic interrupt handling code in kernel/irq/:
#
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index ed03da5430d9..1bf6abaea604 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -42,9 +42,6 @@ config GENERIC_HWEIGHT
bool
default y

-config GENERIC_CSUM
- bool
-
config TIME_LOW_RES
bool
default y
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index 65a44727a7a2..d8907d6f969c 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -16,6 +16,7 @@ config MICROBLAZE
select GENERIC_CALIBRATE_DELAY
select GENERIC_CLOCKEVENTS
select GENERIC_CPU_DEVICES
+ select GENERIC_CSUM
select GENERIC_IDLE_POLL_SETUP
select GENERIC_IRQ_PROBE
select GENERIC_IRQ_SHOW
@@ -73,9 +74,6 @@ config ARCH_HAS_ILOG2_U64
config GENERIC_HWEIGHT
def_bool y

-config GENERIC_CSUM
- def_bool y
-
source "arch/microblaze/Kconfig.platform"

menu "Processor type and features"
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 530eaf950744..bd0c9be7e7cf 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -23,6 +23,7 @@ config MIPS
select GENERIC_CLOCKEVENTS
select GENERIC_CMOS_UPDATE
select GENERIC_CPU_AUTOPROBE
+ select GENERIC_CSUM if !CPU_HAS_LOAD_STORE_LR
select GENERIC_IOMAP
select GENERIC_IRQ_PROBE
select GENERIC_IRQ_SHOW
@@ -1146,10 +1147,6 @@ config MIPS_MACHINE
config NO_IOPORT_MAP
def_bool n

-config GENERIC_CSUM
- bool
- default y if !CPU_HAS_LOAD_STORE_LR
-
config GENERIC_ISA_DMA
bool
select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
diff --git a/arch/nds32/Kconfig b/arch/nds32/Kconfig
index 38135bf98a6f..7b3a36705aa8 100644
--- a/arch/nds32/Kconfig
+++ b/arch/nds32/Kconfig
@@ -15,6 +15,7 @@ config NDS32
select GENERIC_CALIBRATE_DELAY
select GENERIC_CPU_DEVICES
select GENERIC_CLOCKEVENTS
+ select GENERIC_CSUM
select GENERIC_IRQ_CHIP
select GENERIC_IRQ_SHOW
select GENERIC_LIB_ASHLDI3
@@ -49,9 +50,6 @@ config NDS32
help
Andes(nds32) Linux support.

-config GENERIC_CSUM
- def_bool y
-
config GENERIC_HWEIGHT
def_bool y

diff --git a/arch/nios2/Kconfig b/arch/nios2/Kconfig
index 10320e023594..11ef63217ebe 100644
--- a/arch/nios2/Kconfig
+++ b/arch/nios2/Kconfig
@@ -9,6 +9,7 @@ config NIOS2
select GENERIC_CALIBRATE_DELAY
select GENERIC_CLOCKEVENTS
select GENERIC_CPU_DEVICES
+ select GENERIC_CSUM
select GENERIC_IRQ_PROBE
select GENERIC_IRQ_SHOW
select GENERIC_STRNCPY_FROM_USER
@@ -26,9 +27,6 @@ config NIOS2
select CPU_NO_EFFICIENT_FFS
select ARCH_DISCARD_MEMBLOCK

-config GENERIC_CSUM
- def_bool y
-
config GENERIC_HWEIGHT
def_bool y

diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig
index 6cb7632fa5b0..15d7df402c19 100644
--- a/arch/openrisc/Kconfig
+++ b/arch/openrisc/Kconfig
@@ -23,6 +23,7 @@ config OPENRISC
select GENERIC_ATOMIC64
select GENERIC_CLOCKEVENTS
select GENERIC_CLOCKEVENTS_BROADCAST
+ select GENERIC_CSUM
select GENERIC_STRNCPY_FROM_USER
select GENERIC_STRNLEN_USER
select GENERIC_SMP_IDLE_THREAD
@@ -51,11 +52,6 @@ config GENERIC_HWEIGHT
config NO_IOPORT_MAP
def_bool y

-# For now, use generic checksum functions
-#These can be reimplemented in assembly later if so inclined
-config GENERIC_CSUM
- def_bool y
-
menu "Processor type and features"

choice
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 1684017fa496..a0e9207893c8 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -237,9 +237,6 @@ config PPC_BARRIER_NOSPEC
default y
depends on PPC_BOOK3S_64 || PPC_FSL_BOOK3E

-config GENERIC_CSUM
- def_bool n
-
config EARLY_PRINTK
bool
default y
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index c410ed896567..2b173a48bdbc 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -24,6 +24,7 @@ config RISCV
select GENERIC_CALIBRATE_DELAY
select GENERIC_CLOCKEVENTS
select GENERIC_CPU_DEVICES
+ select GENERIC_CSUM
select GENERIC_IRQ_SHOW
select GENERIC_PCI_IOMAP
select GENERIC_SCHED_CLOCK
@@ -68,9 +69,6 @@ config PAGE_OFFSET
default 0xffffffff80000000 if 64BIT && MAXPHYSMEM_2GB
default 0xffffffe000000000 if 64BIT && MAXPHYSMEM_128GB

-config GENERIC_CSUM
- def_bool y
-
config GENERIC_HWEIGHT
def_bool y

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 92d16cab61f3..3d0bd7fbe11a 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -85,6 +85,7 @@ config SUPERH32

config SUPERH64
def_bool "$(ARCH)" = "sh64"
+ select GENERIC_CSUM
select HAVE_EXIT_THREAD
select KALLSYMS

@@ -93,10 +94,6 @@ config ARCH_DEFCONFIG
default "arch/sh/configs/shx3_defconfig" if SUPERH32
default "arch/sh/configs/cayman_defconfig" if SUPERH64

-config GENERIC_CSUM
- def_bool y
- depends on SUPERH64
-
config GENERIC_HWEIGHT
def_bool y

diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig
index 52b4d48e351a..9de1d983a99a 100644
--- a/arch/unicore32/Kconfig
+++ b/arch/unicore32/Kconfig
@@ -29,9 +29,6 @@ config UNICORE32
designs licensed by PKUnity Ltd.
Please see web page at <http://www.pkunity.com/>.

-config GENERIC_CSUM
- def_bool y
-
config NO_IOPORT_MAP
bool

diff --git a/lib/Kconfig b/lib/Kconfig
index a827d214d866..bd2e7e74c321 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -32,6 +32,9 @@ config HAVE_ARCH_BITREVERSE
config RATIONAL
bool

+config GENERIC_CSUM
+ bool
+
config GENERIC_STRNCPY_FROM_USER
bool

--
2.20.1
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