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authorChristoph Hellwig <hch@lst.de>2018-04-27 08:38:23 +0200
committerChristoph Hellwig <hch@lst.de>2018-05-19 08:46:12 +0200
commitc3e4ed012ba79cc61513cc81af53c94e7af7db81 (patch)
treea2e033af9b16df2af85a8d682cbcfb5bc5711133 /arch/riscv
parentd0c8ba40c6cc0fee18b0c458904e07817d6138e5 (diff)
downloadlinux-c3e4ed012ba79cc61513cc81af53c94e7af7db81.tar.bz2
riscv: simplify Kconfig magic for 32-bit vs 64-bit kernels
We can deduct this directly using a select from ARCH_RV32I/ARCH_RV64I. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Diffstat (limited to 'arch/riscv')
-rw-r--r--arch/riscv/Kconfig31
1 files changed, 6 insertions, 25 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index c27bac1d4f65..7817bbe0cfac 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -3,6 +3,12 @@
# see Documentation/kbuild/kconfig-language.txt.
#
+config 64BIT
+ bool
+
+config 32BIT
+ bool
+
config RISCV
def_bool y
# even on 32-bit, physical (and DMA) addresses are > 32-bits
@@ -95,7 +101,6 @@ choice
config ARCH_RV32I
bool "RV32I"
- select CPU_SUPPORTS_32BIT_KERNEL
select 32BIT
select GENERIC_ASHLDI3
select GENERIC_ASHRDI3
@@ -103,7 +108,6 @@ config ARCH_RV32I
config ARCH_RV64I
bool "RV64I"
- select CPU_SUPPORTS_64BIT_KERNEL
select 64BIT
select HAVE_FUNCTION_TRACER
select HAVE_FUNCTION_GRAPH_TRACER
@@ -165,11 +169,6 @@ config NR_CPUS
depends on SMP
default "8"
-config CPU_SUPPORTS_32BIT_KERNEL
- bool
-config CPU_SUPPORTS_64BIT_KERNEL
- bool
-
choice
prompt "CPU Tuning"
default TUNE_GENERIC
@@ -196,24 +195,6 @@ endmenu
menu "Kernel type"
-choice
- prompt "Kernel code model"
- default 64BIT
-
-config 32BIT
- bool "32-bit kernel"
- depends on CPU_SUPPORTS_32BIT_KERNEL
- help
- Select this option to build a 32-bit kernel.
-
-config 64BIT
- bool "64-bit kernel"
- depends on CPU_SUPPORTS_64BIT_KERNEL
- help
- Select this option to build a 64-bit kernel.
-
-endchoice
-
source "mm/Kconfig"
source "kernel/Kconfig.preempt"