From: Christoph Hellwig <hch@lst.de>
To: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: linux-kbuild@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org,
linux-xtensa@linux-xtensa.org, linux-kernel@vger.kernel.org
Subject: [PATCH 10/11] lib: consolidate the GENERIC_HWEIGHT symbol
Date: Wed, 13 Feb 2019 18:40:04 +0100 [thread overview]
Message-ID: <20190213174005.28785-11-hch@lst.de> (raw)
In-Reply-To: <20190213174005.28785-1-hch@lst.de>
Introduce a new ARCH_HAS_HWEIGHT symbol for alpha and ia64, and just
default to the generic version otherwise.
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
arch/alpha/Kconfig | 5 +----
arch/arc/Kconfig | 3 ---
arch/arm/Kconfig | 4 ----
arch/arm64/Kconfig | 3 ---
arch/c6x/Kconfig | 3 ---
arch/csky/Kconfig | 3 ---
arch/h8300/Kconfig | 3 ---
arch/hexagon/Kconfig | 3 ---
arch/ia64/Kconfig | 1 +
arch/m68k/Kconfig | 4 ----
arch/microblaze/Kconfig | 3 ---
arch/mips/Kconfig | 4 ----
arch/nds32/Kconfig | 3 ---
arch/nios2/Kconfig | 3 ---
arch/openrisc/Kconfig | 3 ---
arch/parisc/Kconfig | 4 ----
arch/powerpc/Kconfig | 4 ----
arch/riscv/Kconfig | 3 ---
arch/s390/Kconfig | 3 ---
arch/sh/Kconfig | 3 ---
arch/sparc/Kconfig | 4 ----
arch/unicore32/Kconfig | 3 ---
arch/x86/Kconfig | 3 ---
arch/x86/um/Kconfig | 3 ---
arch/xtensa/Kconfig | 3 ---
lib/Kconfig | 7 +++++++
26 files changed, 9 insertions(+), 79 deletions(-)
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 65b5514e5a7f..a549c53563e8 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -2,6 +2,7 @@
config ALPHA
bool
default y
+ select ARCH_HAS_HWEIGHT if ALPHA_EV67
select ARCH_MIGHT_HAVE_PC_PARPORT
select ARCH_MIGHT_HAVE_PC_SERIO
select ARCH_NO_PREEMPT
@@ -446,10 +447,6 @@ config ALPHA_IRONGATE
depends on ALPHA_NAUTILUS
default y
-config GENERIC_HWEIGHT
- bool
- default y if !ALPHA_EV67
-
config ALPHA_AVANTI
bool
depends on ALPHA_XL || ALPHA_AVANTI_CH
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 6476404b98b8..8bf4c0f7cc1d 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -72,9 +72,6 @@ config MMU
config NO_IOPORT_MAP
def_bool y
-config GENERIC_HWEIGHT
- def_bool y
-
config HAVE_ARCH_TRANSPARENT_HUGEPAGE
def_bool y
depends on ARC_MMU_V4
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index c230fb1e09ba..b47825767e3d 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -182,10 +182,6 @@ config ARCH_HAS_BANDGAP
config FIX_EARLYCON_MEM
def_bool y if MMU
-config GENERIC_HWEIGHT
- bool
- default y
-
config ARCH_MAY_HAVE_PC_FDC
bool
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 7cc3334aba29..98c3776ccf6b 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -237,9 +237,6 @@ config ILLEGAL_POINTER_VALUE
hex
default 0xdead000000000000
-config GENERIC_HWEIGHT
- def_bool y
-
config ZONE_DMA32
def_bool y
diff --git a/arch/c6x/Kconfig b/arch/c6x/Kconfig
index 19b145ef7d92..c439d2f46af0 100644
--- a/arch/c6x/Kconfig
+++ b/arch/c6x/Kconfig
@@ -28,9 +28,6 @@ config MMU
config FPU
def_bool n
-config GENERIC_HWEIGHT
- def_bool y
-
config C6X_BIG_KERNEL
bool "Build a big kernel"
help
diff --git a/arch/csky/Kconfig b/arch/csky/Kconfig
index c0a49cbd3df0..14a9905e99a4 100644
--- a/arch/csky/Kconfig
+++ b/arch/csky/Kconfig
@@ -84,9 +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_HWEIGHT
- def_bool y
-
config MMU
def_bool y
diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig
index 4f5a1efab822..77ce104bb42e 100644
--- a/arch/h8300/Kconfig
+++ b/arch/h8300/Kconfig
@@ -27,9 +27,6 @@ config H8300
config CPU_BIG_ENDIAN
def_bool y
-config GENERIC_HWEIGHT
- def_bool y
-
config NO_IOPORT_MAP
def_bool y
diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig
index 7a01f4c5a4f6..fb2996063d5a 100644
--- a/arch/hexagon/Kconfig
+++ b/arch/hexagon/Kconfig
@@ -61,9 +61,6 @@ config MMU
config GENERIC_IRQ_PROBE
def_bool y
-config GENERIC_HWEIGHT
- def_bool y
-
menu "Machine selection"
choice
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index fc44c046953e..c9eb106b1f4c 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -8,6 +8,7 @@ menu "Processor type and features"
config IA64
bool
+ select ARCH_HAS_HWEIGHT
select ARCH_MIGHT_HAVE_PC_PARPORT
select ARCH_MIGHT_HAVE_PC_SERIO
select ACPI if (!IA64_HP_SIM)
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index 1bf6abaea604..91b150b6572c 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -38,10 +38,6 @@ config ARCH_HAS_ILOG2_U32
config ARCH_HAS_ILOG2_U64
bool
-config GENERIC_HWEIGHT
- bool
- default y
-
config TIME_LOW_RES
bool
default y
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index d8907d6f969c..0185ac1f0268 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -71,9 +71,6 @@ config ARCH_HAS_ILOG2_U32
config ARCH_HAS_ILOG2_U64
def_bool n
-config GENERIC_HWEIGHT
- def_bool y
-
source "arch/microblaze/Kconfig.platform"
menu "Processor type and features"
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index bd0c9be7e7cf..04e041cac595 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1042,10 +1042,6 @@ source "arch/mips/paravirt/Kconfig"
endmenu
-config GENERIC_HWEIGHT
- bool
- default y
-
config SCHED_OMIT_FRAME_POINTER
bool
default y
diff --git a/arch/nds32/Kconfig b/arch/nds32/Kconfig
index 7b3a36705aa8..979661f0ab51 100644
--- a/arch/nds32/Kconfig
+++ b/arch/nds32/Kconfig
@@ -50,9 +50,6 @@ config NDS32
help
Andes(nds32) Linux support.
-config GENERIC_HWEIGHT
- def_bool y
-
config GENERIC_LOCKBREAK
def_bool y
depends on PREEMPT
diff --git a/arch/nios2/Kconfig b/arch/nios2/Kconfig
index 11ef63217ebe..a0485f5f0db0 100644
--- a/arch/nios2/Kconfig
+++ b/arch/nios2/Kconfig
@@ -27,9 +27,6 @@ config NIOS2
select CPU_NO_EFFICIENT_FFS
select ARCH_DISCARD_MEMBLOCK
-config GENERIC_HWEIGHT
- def_bool y
-
config NO_IOPORT_MAP
def_bool y
diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig
index 15d7df402c19..dc026973e6f6 100644
--- a/arch/openrisc/Kconfig
+++ b/arch/openrisc/Kconfig
@@ -46,9 +46,6 @@ config CPU_BIG_ENDIAN
config MMU
def_bool y
-config GENERIC_HWEIGHT
- def_bool y
-
config NO_IOPORT_MAP
def_bool y
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 42282b8e086d..7d5ded83c180 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -86,10 +86,6 @@ config ARCH_HAS_ILOG2_U64
bool
default n
-config GENERIC_HWEIGHT
- bool
- default y
-
config TIME_LOW_RES
bool
depends on SMP
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index a0e9207893c8..8dd4d2b24fdb 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -96,10 +96,6 @@ config GENERIC_LOCKBREAK
default y
depends on SMP && PREEMPT
-config GENERIC_HWEIGHT
- bool
- default y
-
config ARCH_HAS_DMA_SET_COHERENT_MASK
bool
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 2b173a48bdbc..0acdd7aaaaea 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -69,9 +69,6 @@ config PAGE_OFFSET
default 0xffffffff80000000 if 64BIT && MAXPHYSMEM_2GB
default 0xffffffe000000000 if 64BIT && MAXPHYSMEM_128GB
-config GENERIC_HWEIGHT
- def_bool y
-
config PGTABLE_LEVELS
int
default 3 if 64BIT
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 2a5c12be633e..9a25e19364f5 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -14,9 +14,6 @@ config ARCH_HAS_ILOG2_U32
config ARCH_HAS_ILOG2_U64
def_bool n
-config GENERIC_HWEIGHT
- def_bool y
-
config GENERIC_LOCKBREAK
def_bool y if SMP && PREEMPT
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 3d0bd7fbe11a..af6a40af1702 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -94,9 +94,6 @@ config ARCH_DEFCONFIG
default "arch/sh/configs/shx3_defconfig" if SUPERH32
default "arch/sh/configs/cayman_defconfig" if SUPERH64
-config GENERIC_HWEIGHT
- def_bool y
-
config GENERIC_LOCKBREAK
def_bool y
depends on SMP && PREEMPT
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 58270c021b01..78135ac357ed 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -187,10 +187,6 @@ config NR_CPUS
source "kernel/Kconfig.hz"
-config GENERIC_HWEIGHT
- bool
- default y
-
config ARCH_MAY_HAVE_PC_FDC
bool
default y
diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig
index 9de1d983a99a..e69a8c3232e1 100644
--- a/arch/unicore32/Kconfig
+++ b/arch/unicore32/Kconfig
@@ -38,9 +38,6 @@ config ARCH_HAS_ILOG2_U32
config ARCH_HAS_ILOG2_U64
bool
-config GENERIC_HWEIGHT
- def_bool y
-
config ARCH_MAY_HAVE_PC_FDC
bool
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index f4cb31174e1b..7a9347c7448e 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -255,9 +255,6 @@ config GENERIC_ISA_DMA
def_bool y
depends on ISA_DMA_API
-config GENERIC_HWEIGHT
- def_bool y
-
config ARCH_MAY_HAVE_PC_FDC
def_bool y
depends on ISA_DMA_API
diff --git a/arch/x86/um/Kconfig b/arch/x86/um/Kconfig
index f5a8cded3ca4..1628a54af003 100644
--- a/arch/x86/um/Kconfig
+++ b/arch/x86/um/Kconfig
@@ -49,6 +49,3 @@ config ARCH_HAS_SC_SIGNALS
config ARCH_REUSE_HOST_VSYSCALL_AREA
def_bool !64BIT
-
-config GENERIC_HWEIGHT
- def_bool y
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index d02c25184ca0..ff57afdeda04 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -47,9 +47,6 @@ config XTENSA
with reasonable minimum requirements. The Xtensa Linux project has
a home page at <http://www.linux-xtensa.org/>.
-config GENERIC_HWEIGHT
- def_bool y
-
config ARCH_HAS_ILOG2_U32
def_bool n
diff --git a/lib/Kconfig b/lib/Kconfig
index bd2e7e74c321..91019f26d0a8 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -35,6 +35,13 @@ config RATIONAL
config GENERIC_CSUM
bool
+config ARCH_HAS_HWEIGHT
+ bool
+
+config GENERIC_HWEIGHT
+ default y if !ARCH_HAS_HWEIGHT
+ bool
+
config GENERIC_STRNCPY_FROM_USER
bool
--
2.20.1
next prev parent reply other threads:[~2019-02-13 17:40 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-13 17:39 consolidate a few more arch support config options Christoph Hellwig
2019-02-13 17:39 ` [PATCH 01/11] powerpc: remove dead ifdefs in <asm/checksum.h> Christoph Hellwig
2019-02-14 8:26 ` Christophe Leroy
2019-02-14 17:05 ` Christoph Hellwig
2019-02-15 8:17 ` Christophe Leroy
2019-02-15 9:30 ` Masahiro Yamada
2019-02-14 8:54 ` Andreas Schwab
2019-02-13 17:39 ` [PATCH 02/11] riscv: remove the HAVE_KPROBES option Christoph Hellwig
2019-02-15 9:32 ` Masahiro Yamada
2019-02-19 15:17 ` Christoph Hellwig
2019-02-19 21:55 ` Palmer Dabbelt
2019-02-13 17:39 ` [PATCH 03/11] kernel/locks: consolidate RWSEM_GENERIC_* options Christoph Hellwig
2019-02-14 8:10 ` Geert Uytterhoeven
2019-02-14 10:52 ` Geert Uytterhoeven
2019-02-14 15:26 ` Waiman Long
2019-02-14 17:04 ` Christoph Hellwig
2019-02-14 17:24 ` Waiman Long
2019-02-13 17:39 ` [PATCH 04/11] tracing: consolidate the STACKTRACE_SUPPORT symbol Christoph Hellwig
2019-02-13 17:39 ` [PATCH 05/11] tracing: consolidate the TRACE_IRQFLAGS_SUPPORT symbol Christoph Hellwig
2019-02-15 7:55 ` Masahiro Yamada
2019-02-19 1:40 ` Ley Foon Tan
2019-02-13 17:40 ` [PATCH 06/11] lockdep: consolidate the LOCKDEP_SUPPORT symbol Christoph Hellwig
2019-02-15 7:16 ` Masahiro Yamada
2019-02-15 7:58 ` Greentime Hu
2019-02-13 17:40 ` [PATCH 07/11] init: consolidate the GENERIC_CALIBRATE_DELAY symbol Christoph Hellwig
2019-02-14 8:11 ` Geert Uytterhoeven
2019-02-13 17:40 ` [PATCH 08/11] lib: consolidate the GENERIC_BUG symbol Christoph Hellwig
2019-02-15 8:42 ` Masahiro Yamada
2019-02-13 17:40 ` [PATCH 09/11] lib: consolidate the GENERIC_CSUM symbol Christoph Hellwig
2019-02-14 8:12 ` Geert Uytterhoeven
2019-02-15 8:03 ` Masahiro Yamada
2019-02-13 17:40 ` Christoph Hellwig [this message]
2019-02-14 8:13 ` [PATCH 10/11] lib: consolidate the GENERIC_HWEIGHT symbol Geert Uytterhoeven
2019-02-18 3:06 ` Masahiro Yamada
2019-02-13 17:40 ` [PATCH 11/11] s390: don't redefined the HAS_IOMEM symbol Christoph Hellwig
2019-02-15 7:44 ` Masahiro Yamada
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