From d190e8195b90bc1e65c494fe08e54e9e581bfd16 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 17 Apr 2013 10:33:13 +0200
Subject: [PATCH] idle: Remove GENERIC_IDLE_LOOP config switch
All archs are converted over. Remove the config switch and the
fallback code.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/Kconfig | 3 ---
arch/alpha/Kconfig | 1 -
arch/arc/Kconfig | 1 -
arch/arm/Kconfig | 1 -
arch/arm64/Kconfig | 1 -
arch/avr32/Kconfig | 1 -
arch/blackfin/Kconfig | 1 -
arch/c6x/Kconfig | 1 -
arch/cris/Kconfig | 1 -
arch/frv/Kconfig | 1 -
arch/h8300/Kconfig | 1 -
arch/hexagon/Kconfig | 1 -
arch/ia64/Kconfig | 1 -
arch/m32r/Kconfig | 1 -
arch/m68k/Kconfig | 1 -
arch/metag/Kconfig | 1 -
arch/microblaze/Kconfig | 1 -
arch/mips/Kconfig | 1 -
arch/mn10300/Kconfig | 1 -
arch/openrisc/Kconfig | 1 -
arch/parisc/Kconfig | 1 -
arch/powerpc/Kconfig | 1 -
arch/s390/Kconfig | 1 -
arch/score/Kconfig | 1 -
arch/sh/Kconfig | 1 -
arch/sparc/Kconfig | 1 -
arch/tile/Kconfig | 1 -
arch/um/Kconfig.common | 1 -
arch/unicore32/Kconfig | 1 -
arch/x86/Kconfig | 1 -
arch/xtensa/Kconfig | 1 -
kernel/cpu/idle.c | 8 --------
32 files changed, 41 deletions(-)
diff --git a/arch/Kconfig b/arch/Kconfig
index a699f3767be4d..1455579791ec0 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -216,9 +216,6 @@ config USE_GENERIC_SMP_HELPERS
config GENERIC_SMP_IDLE_THREAD
bool
-config GENERIC_IDLE_LOOP
- bool
-
# Select if arch init_task initializer is different to init/init_task.c
config ARCH_INIT_TASK
bool
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 60469820a6c59..8a33ba01301ff 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -17,7 +17,6 @@ config ALPHA
select ARCH_WANT_IPC_PARSE_VERSION
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select GENERIC_SMP_IDLE_THREAD
- select GENERIC_IDLE_LOOP
select GENERIC_CMOS_UPDATE
select GENERIC_STRNCPY_FROM_USER
select GENERIC_STRNLEN_USER
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index b006977a15162..e6f4eca09ee36 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -14,7 +14,6 @@ config ARC
select GENERIC_ATOMIC64
select GENERIC_CLOCKEVENTS
select GENERIC_FIND_FIRST_BIT
- select GENERIC_IDLE_LOOP
# for now, we don't need GENERIC_IRQ_PROBE, CONFIG_GENERIC_IRQ_CHIP
select GENERIC_IRQ_SHOW
select GENERIC_KERNEL_EXECVE
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 128551fcc6dd5..fcedd612c54c0 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -15,7 +15,6 @@ config ARM
select GENERIC_IRQ_SHOW
select GENERIC_PCI_IOMAP
select GENERIC_SMP_IDLE_THREAD
- select GENERIC_IDLE_LOOP
select GENERIC_IDLE_POLL_SETUP
select GENERIC_STRNCPY_FROM_USER
select GENERIC_STRNLEN_USER
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index ca2c871795c55..9b6d19f74078e 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -9,7 +9,6 @@ config ARM64
select CLONE_BACKWARDS
select COMMON_CLK
select GENERIC_CLOCKEVENTS
- select GENERIC_IDLE_LOOP
select GENERIC_IOMAP
select GENERIC_IRQ_PROBE
select GENERIC_IRQ_SHOW
diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig
index bbecda4c33733..c1a868d398bd2 100644
--- a/arch/avr32/Kconfig
+++ b/arch/avr32/Kconfig
@@ -10,7 +10,6 @@ config AVR32
select VIRT_TO_BUS
select GENERIC_IRQ_PROBE
select GENERIC_ATOMIC64
- select GENERIC_IDLE_LOOP
select HARDIRQS_SW_RESEND
select GENERIC_IRQ_SHOW
select ARCH_HAVE_CUSTOM_GPIO_H
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 3d769a7c49410..c3f2e0bc644ae 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -41,7 +41,6 @@ config BLACKFIN
select USE_GENERIC_SMP_HELPERS if SMP
select HAVE_NMI_WATCHDOG if NMI_WATCHDOG
select GENERIC_SMP_IDLE_THREAD
- select GENERIC_IDLE_LOOP
select ARCH_USES_GETTIMEOFFSET if !GENERIC_CLOCKEVENTS
select HAVE_MOD_ARCH_SPECIFIC
select MODULES_USE_ELF_RELA
diff --git a/arch/c6x/Kconfig b/arch/c6x/Kconfig
index af2aa4b44140d..f6a3648f5ec3c 100644
--- a/arch/c6x/Kconfig
+++ b/arch/c6x/Kconfig
@@ -18,7 +18,6 @@ config C6X
select OF_EARLY_FLATTREE
select GENERIC_CLOCKEVENTS
select MODULES_USE_ELF_RELA
- select GENERIC_IDLE_LOOP
config MMU
def_bool n
diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig
index 1dd36355a3cd2..06dd026533e3b 100644
--- a/arch/cris/Kconfig
+++ b/arch/cris/Kconfig
@@ -48,7 +48,6 @@ config CRIS
select GENERIC_IRQ_SHOW
select GENERIC_IOMAP
select GENERIC_SMP_IDLE_THREAD if ETRAX_ARCH_V32
- select GENERIC_IDLE_LOOP
select GENERIC_CMOS_UPDATE
select MODULES_USE_ELF_RELA
select CLONE_BACKWARDS2
diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig
index 0d998db2039e1..2ce731f9aa4d5 100644
--- a/arch/frv/Kconfig
+++ b/arch/frv/Kconfig
@@ -8,7 +8,6 @@ config FRV
select HAVE_GENERIC_HARDIRQS
select VIRT_TO_BUS
select GENERIC_IRQ_SHOW
- select GENERIC_IDLE_LOOP
select HAVE_DEBUG_BUGVERBOSE
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select GENERIC_CPU_DEVICES
diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig
index 5374975fe8002..79250de1b12a4 100644
--- a/arch/h8300/Kconfig
+++ b/arch/h8300/Kconfig
@@ -8,7 +8,6 @@ config H8300
select VIRT_TO_BUS
select ARCH_WANT_IPC_PARSE_VERSION
select GENERIC_IRQ_SHOW
- select GENERIC_IDLE_LOOP
select GENERIC_CPU_DEVICES
select MODULES_USE_ELF_RELA
select OLD_SIGSUSPEND3
diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig
index 6e3710e84a6c1..e4decc6b8947e 100644
--- a/arch/hexagon/Kconfig
+++ b/arch/hexagon/Kconfig
@@ -24,7 +24,6 @@ config HEXAGON
select NO_IOPORT
select GENERIC_IOMAP
select GENERIC_SMP_IDLE_THREAD
- select GENERIC_IDLE_LOOP
select STACKTRACE_SUPPORT
select KTIME_SCALAR
select GENERIC_CLOCKEVENTS
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index e0b39c3cb789b..9a02f71c6b1f7 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -35,7 +35,6 @@ config IA64
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select GENERIC_IOMAP
select GENERIC_SMP_IDLE_THREAD
- select GENERIC_IDLE_LOOP
select ARCH_INIT_TASK
select ARCH_TASK_STRUCT_ALLOCATOR
select ARCH_THREAD_INFO_ALLOCATOR
diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
index af814fe478aea..bcd17b2065712 100644
--- a/arch/m32r/Kconfig
+++ b/arch/m32r/Kconfig
@@ -13,7 +13,6 @@ config M32R
select VIRT_TO_BUS
select GENERIC_IRQ_PROBE
select GENERIC_IRQ_SHOW
- select GENERIC_IDLE_LOOP
select GENERIC_ATOMIC64
select ARCH_USES_GETTIMEOFFSET
select MODULES_USE_ELF_RELA
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index 41859405a853e..6de813370b8c7 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -6,7 +6,6 @@ config M68K
select HAVE_DEBUG_BUGVERBOSE
select HAVE_GENERIC_HARDIRQS
select GENERIC_IRQ_SHOW
- select GENERIC_IDLE_LOOP
select GENERIC_ATOMIC64
select HAVE_UID16
select VIRT_TO_BUS
diff --git a/arch/metag/Kconfig b/arch/metag/Kconfig
index 3164f6cebe2b8..afc8973d14883 100644
--- a/arch/metag/Kconfig
+++ b/arch/metag/Kconfig
@@ -7,7 +7,6 @@ config METAG
select EMBEDDED
select GENERIC_ATOMIC64
select GENERIC_CLOCKEVENTS
- select GENERIC_IDLE_LOOP
select GENERIC_IRQ_SHOW
select GENERIC_SMP_IDLE_THREAD
select HAVE_64BIT_ALIGNED_ACCESS
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index 0bb0d519a2336..a827057c79273 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -26,7 +26,6 @@ config MICROBLAZE
select GENERIC_CPU_DEVICES
select GENERIC_ATOMIC64
select GENERIC_CLOCKEVENTS
- select GENERIC_IDLE_LOOP
select GENERIC_IDLE_POLL_SETUP
select MODULES_USE_ELF_RELA
select CLONE_BACKWARDS
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index e1a3d02af637b..51244bf972718 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -34,7 +34,6 @@ config MIPS
select HAVE_MEMBLOCK_NODE_MAP
select ARCH_DISCARD_MEMBLOCK
select GENERIC_SMP_IDLE_THREAD
- select GENERIC_IDLE_LOOP
select BUILDTIME_EXTABLE_SORT
select GENERIC_CLOCKEVENTS
select GENERIC_CMOS_UPDATE
diff --git a/arch/mn10300/Kconfig b/arch/mn10300/Kconfig
index ae7158b69c9cc..428da175d0734 100644
--- a/arch/mn10300/Kconfig
+++ b/arch/mn10300/Kconfig
@@ -13,7 +13,6 @@ config MN10300
select MODULES_USE_ELF_RELA
select OLD_SIGSUSPEND3
select OLD_SIGACTION
- select GENERIC_IDLE_LOOP
config AM33_2
def_bool n
diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig
index e111b5200cd9f..9ab3bf2eca8d2 100644
--- a/arch/openrisc/Kconfig
+++ b/arch/openrisc/Kconfig
@@ -21,7 +21,6 @@ config OPENRISC
select GENERIC_CLOCKEVENTS
select GENERIC_STRNCPY_FROM_USER
select GENERIC_STRNLEN_USER
- select GENERIC_IDLE_LOOP
select MODULES_USE_ELF_RELA
config MMU
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 0821e702d03f6..0339181bf3ac3 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -18,7 +18,6 @@ config PARISC
select GENERIC_PCI_IOMAP
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select GENERIC_SMP_IDLE_THREAD
- select GENERIC_IDLE_LOOP
select GENERIC_STRNCPY_FROM_USER
select SYSCTL_ARCH_UNALIGN_ALLOW
select HAVE_MOD_ARCH_SPECIFIC
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 19de32c52da54..ea5bb045983a1 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -133,7 +133,6 @@ config PPC
select HAVE_ARCH_JUMP_LABEL
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select GENERIC_SMP_IDLE_THREAD
- select GENERIC_IDLE_LOOP
select GENERIC_CMOS_UPDATE
select GENERIC_TIME_VSYSCALL_OLD
select GENERIC_CLOCKEVENTS
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 749513d73e472..eb8fb629f00bb 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -97,7 +97,6 @@ config S390
select CLONE_BACKWARDS2
select GENERIC_CLOCKEVENTS
select GENERIC_CPU_DEVICES if !SMP
- select GENERIC_IDLE_LOOP
select GENERIC_KERNEL_THREAD
select GENERIC_SMP_IDLE_THREAD
select GENERIC_TIME_VSYSCALL_OLD
diff --git a/arch/score/Kconfig b/arch/score/Kconfig
index eaac45de65be1..c8def8bc90209 100644
--- a/arch/score/Kconfig
+++ b/arch/score/Kconfig
@@ -11,7 +11,6 @@ config SCORE
select ARCH_DISCARD_MEMBLOCK
select GENERIC_CPU_DEVICES
select GENERIC_CLOCKEVENTS
- select GENERIC_IDLE_LOOP
select HAVE_MOD_ARCH_SPECIFIC
select VIRT_TO_BUS
select MODULES_USE_ELF_REL
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 0917fc3f39c01..1ea597c6497a8 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -33,7 +33,6 @@ config SUPERH
select GENERIC_ATOMIC64
select GENERIC_IRQ_SHOW
select GENERIC_SMP_IDLE_THREAD
- select GENERIC_IDLE_LOOP
select GENERIC_IDLE_POLL_SETUP
select GENERIC_CLOCKEVENTS
select GENERIC_CMOS_UPDATE if SH_SH03 || SH_DREAMCAST
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index ee5eacc5a6499..3d361f236308c 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -37,7 +37,6 @@ config SPARC
select GENERIC_SMP_IDLE_THREAD
select GENERIC_CMOS_UPDATE
select GENERIC_CLOCKEVENTS
- select GENERIC_IDLE_LOOP
select GENERIC_STRNCPY_FROM_USER
select GENERIC_STRNLEN_USER
select MODULES_USE_ELF_RELA
diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig
index 85b2edeade31a..25877aebc685f 100644
--- a/arch/tile/Kconfig
+++ b/arch/tile/Kconfig
@@ -22,7 +22,6 @@ config TILE
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select GENERIC_CLOCKEVENTS
select MODULES_USE_ELF_RELA
- select GENERIC_IDLE_LOOP
# FIXME: investigate whether we need/want these options.
# select HAVE_IOREMAP_PROT
diff --git a/arch/um/Kconfig.common b/arch/um/Kconfig.common
index 57834067a5118..bceee6623b001 100644
--- a/arch/um/Kconfig.common
+++ b/arch/um/Kconfig.common
@@ -12,7 +12,6 @@ config UML
select GENERIC_CPU_DEVICES
select GENERIC_IO
select GENERIC_CLOCKEVENTS
- select GENERIC_IDLE_LOOP
select TTY # Needed for line.c
config MMU
diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig
index e12678daaed11..2943e3acdf0cb 100644
--- a/arch/unicore32/Kconfig
+++ b/arch/unicore32/Kconfig
@@ -17,7 +17,6 @@ config UNICORE32
select ARCH_WANT_FRAME_POINTERS
select GENERIC_IOMAP
select MODULES_USE_ELF_REL
- select GENERIC_IDLE_LOOP
help
UniCore-32 is 32-bit Instruction Set Architecture,
including a series of low-power-consumption RISC chip
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 734152d85fd0f..fcf293994992e 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -97,7 +97,6 @@ config X86
select GENERIC_IOMAP
select DCACHE_WORD_ACCESS
select GENERIC_SMP_IDLE_THREAD
- select GENERIC_IDLE_LOOP
select ARCH_WANT_IPC_PARSE_VERSION if X86_32
select HAVE_ARCH_SECCOMP_FILTER
select BUILDTIME_EXTABLE_SORT
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index e0144ff4624d5..b09de49dbec5c 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -19,7 +19,6 @@ config XTENSA
select CLONE_BACKWARDS
select IRQ_DOMAIN
select HAVE_OPROFILE
- select GENERIC_IDLE_LOOP
help
Xtensa processors are 32-bit RISC machines designed by Tensilica
primarily for embedded systems. These processors are both
diff --git a/kernel/cpu/idle.c b/kernel/cpu/idle.c
index 54c3203839342..168cf407a2549 100644
--- a/kernel/cpu/idle.c
+++ b/kernel/cpu/idle.c
@@ -10,13 +10,6 @@
#include <trace/events/power.h>
-#ifndef CONFIG_GENERIC_IDLE_LOOP
-void cpu_startup_entry(enum cpuhp_state state)
-{
- cpu_idle();
-}
-#else
-
static int __read_mostly cpu_idle_force_poll;
void cpu_idle_poll_ctrl(bool enable)
@@ -112,4 +105,3 @@ void cpu_startup_entry(enum cpuhp_state state)
arch_cpu_idle_prepare();
cpu_idle_loop();
}
-#endif
--
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