From 6546327ad187238ac63d2429701b32becb096fd8 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Thu, 21 Mar 2013 22:49:31 +0100 Subject: arch: Cleanup enable/disable_hlt enable/disable_hlt() does not need to be exported and can be killed on architectures which do not use it at all. Signed-off-by: Thomas Gleixner Cc: Linus Torvalds Cc: Rusty Russell Cc: Paul McKenney Cc: Peter Zijlstra Reviewed-by: Cc: Srivatsa S. Bhat Cc: Magnus Damm Link: http://lkml.kernel.org/r/20130321215233.377959540@linutronix.de Signed-off-by: Thomas Gleixner --- arch/cris/arch-v32/kernel/process.c | 8 +++----- arch/cris/include/asm/processor.h | 7 ------- arch/cris/kernel/process.c | 25 ------------------------- 3 files changed, 3 insertions(+), 37 deletions(-) (limited to 'arch/cris') diff --git a/arch/cris/arch-v32/kernel/process.c b/arch/cris/arch-v32/kernel/process.c index 2b23ef0e445..4857933d59f 100644 --- a/arch/cris/arch-v32/kernel/process.c +++ b/arch/cris/arch-v32/kernel/process.c @@ -20,16 +20,14 @@ extern void stop_watchdog(void); -extern int cris_hlt_counter; - /* We use this if we don't have any better idle routine. */ void default_idle(void) { local_irq_disable(); - if (!need_resched() && !cris_hlt_counter) { - /* Halt until exception. */ + if (!need_resched()) { + /* Halt until exception. */ __asm__ volatile("ei \n\t" - "halt "); + "halt "); } local_irq_enable(); } diff --git a/arch/cris/include/asm/processor.h b/arch/cris/include/asm/processor.h index 675823f70c0..c0a29b96b92 100644 --- a/arch/cris/include/asm/processor.h +++ b/arch/cris/include/asm/processor.h @@ -65,13 +65,6 @@ static inline void release_thread(struct task_struct *dead_task) #define cpu_relax() barrier() -/* - * disable hlt during certain critical i/o operations - */ -#define HAVE_DISABLE_HLT -void disable_hlt(void); -void enable_hlt(void); - void default_idle(void); #endif /* __ASM_CRIS_PROCESSOR_H */ diff --git a/arch/cris/kernel/process.c b/arch/cris/kernel/process.c index 104ff4dd9b9..508c9cdacc7 100644 --- a/arch/cris/kernel/process.c +++ b/arch/cris/kernel/process.c @@ -29,31 +29,6 @@ //#define DEBUG -/* - * The hlt_counter, disable_hlt and enable_hlt is just here as a hook if - * there would ever be a halt sequence (for power save when idle) with - * some largish delay when halting or resuming *and* a driver that can't - * afford that delay. The hlt_counter would then be checked before - * executing the halt sequence, and the driver marks the unhaltable - * region by enable_hlt/disable_hlt. - */ - -int cris_hlt_counter=0; - -void disable_hlt(void) -{ - cris_hlt_counter++; -} - -EXPORT_SYMBOL(disable_hlt); - -void enable_hlt(void) -{ - cris_hlt_counter--; -} - -EXPORT_SYMBOL(enable_hlt); - extern void default_idle(void); void (*pm_power_off)(void); -- cgit v1.2.3 From 8dc7c5ecd8d0f739728d844ee794c4fae169f9c2 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Thu, 21 Mar 2013 22:49:43 +0100 Subject: cris: Use generic idle loop Signed-off-by: Thomas Gleixner Cc: Linus Torvalds Cc: Rusty Russell Cc: Paul McKenney Cc: Peter Zijlstra Reviewed-by: Cc: Srivatsa S. Bhat Cc: Magnus Damm Acked-by: Jesper Nilsson Link: http://lkml.kernel.org/r/20130321215234.148829489@linutronix.de Signed-off-by: Thomas Gleixner --- arch/cris/Kconfig | 1 + arch/cris/arch-v10/kernel/process.c | 3 ++- arch/cris/arch-v32/kernel/process.c | 10 +++------- arch/cris/arch-v32/kernel/smp.c | 4 +--- arch/cris/kernel/process.c | 24 ++---------------------- 5 files changed, 9 insertions(+), 33 deletions(-) (limited to 'arch/cris') diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig index 06dd026533e..1dd36355a3c 100644 --- a/arch/cris/Kconfig +++ b/arch/cris/Kconfig @@ -48,6 +48,7 @@ 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/cris/arch-v10/kernel/process.c b/arch/cris/arch-v10/kernel/process.c index b1018750cff..2ba23c13df6 100644 --- a/arch/cris/arch-v10/kernel/process.c +++ b/arch/cris/arch-v10/kernel/process.c @@ -30,8 +30,9 @@ void etrax_gpio_wake_up_check(void); /* drivers/gpio.c */ void default_idle(void) { #ifdef CONFIG_ETRAX_GPIO - etrax_gpio_wake_up_check(); + etrax_gpio_wake_up_check(); #endif + local_irq_enable(); } /* diff --git a/arch/cris/arch-v32/kernel/process.c b/arch/cris/arch-v32/kernel/process.c index 4857933d59f..57451faa9b2 100644 --- a/arch/cris/arch-v32/kernel/process.c +++ b/arch/cris/arch-v32/kernel/process.c @@ -23,13 +23,9 @@ extern void stop_watchdog(void); /* We use this if we don't have any better idle routine. */ void default_idle(void) { - local_irq_disable(); - if (!need_resched()) { - /* Halt until exception. */ - __asm__ volatile("ei \n\t" - "halt "); - } - local_irq_enable(); + /* Halt until exception. */ + __asm__ volatile("ei \n\t" + "halt "); } /* diff --git a/arch/cris/arch-v32/kernel/smp.c b/arch/cris/arch-v32/kernel/smp.c index 04a16edd540..cdd12028de0 100644 --- a/arch/cris/arch-v32/kernel/smp.c +++ b/arch/cris/arch-v32/kernel/smp.c @@ -145,8 +145,6 @@ smp_boot_one_cpu(int cpuid, struct task_struct idle) * specific stuff such as the local timer and the MMU. */ void __init smp_callin(void) { - extern void cpu_idle(void); - int cpu = cpu_now_booting; reg_intr_vect_rw_mask vect_mask = {0}; @@ -170,7 +168,7 @@ void __init smp_callin(void) local_irq_enable(); set_cpu_online(cpu, true); - cpu_idle(); + cpu_startup_entry(CPUHP_ONLINE); } /* Stop execution on this CPU.*/ diff --git a/arch/cris/kernel/process.c b/arch/cris/kernel/process.c index 508c9cdacc7..b78498eb079 100644 --- a/arch/cris/kernel/process.c +++ b/arch/cris/kernel/process.c @@ -34,29 +34,9 @@ extern void default_idle(void); void (*pm_power_off)(void); EXPORT_SYMBOL(pm_power_off); -/* - * The idle thread. There's no useful work to be - * done, so just try to conserve power and have a - * low exit latency (ie sit in a loop waiting for - * somebody to say that they'd like to reschedule) - */ - -void cpu_idle (void) +void arch_cpu_idle(void) { - /* endless idle loop with no priority at all */ - while (1) { - rcu_idle_enter(); - while (!need_resched()) { - /* - * Mark this as an RCU critical section so that - * synchronize_kernel() in the unload path waits - * for our completion. - */ - default_idle(); - } - rcu_idle_exit(); - schedule_preempt_disabled(); - } + default_idle(); } void hard_reset_now (void); -- cgit v1.2.3 From d190e8195b90bc1e65c494fe08e54e9e581bfd16 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 17 Apr 2013 10:33:13 +0200 Subject: 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 --- 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(-) (limited to 'arch/cris') diff --git a/arch/Kconfig b/arch/Kconfig index a699f3767be..1455579791e 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 60469820a6c..8a33ba01301 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 b006977a151..e6f4eca09ee 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 128551fcc6d..fcedd612c54 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 ca2c871795c..9b6d19f7407 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 bbecda4c337..c1a868d398b 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 3d769a7c494..c3f2e0bc644 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 af2aa4b4414..f6a3648f5ec 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 1dd36355a3c..06dd026533e 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 0d998db2039..2ce731f9aa4 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 5374975fe80..79250de1b12 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 6e3710e84a6..e4decc6b894 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 e0b39c3cb78..9a02f71c6b1 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 af814fe478a..bcd17b20657 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 41859405a85..6de813370b8 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 3164f6cebe2..afc8973d148 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 0bb0d519a23..a827057c792 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 e1a3d02af63..51244bf9727 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 ae7158b69c9..428da175d07 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 e111b5200cd..9ab3bf2eca8 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 0821e702d03..0339181bf3a 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 19de32c52da..ea5bb045983 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 749513d73e4..eb8fb629f00 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 eaac45de65b..c8def8bc902 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 0917fc3f39c..1ea597c6497 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 ee5eacc5a64..3d361f23630 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 85b2edeade3..25877aebc68 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 57834067a51..bceee6623b0 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 e12678daaed..2943e3acdf0 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 734152d85fd..fcf29399499 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 e0144ff4624..b09de49dbec 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 54c32038393..168cf407a25 100644 --- a/kernel/cpu/idle.c +++ b/kernel/cpu/idle.c @@ -10,13 +10,6 @@ #include -#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 -- cgit v1.2.3