We've switched over every architecture that supports SMP to it, so remove the new useless config variable. Signed-off-by: Christoph Hellwig --- arch/Kconfig | 3 --- arch/alpha/Kconfig | 1 - arch/arc/Kconfig | 1 - arch/arm/Kconfig | 1 - arch/arm64/Kconfig | 1 - arch/blackfin/Kconfig | 1 - arch/hexagon/Kconfig | 1 - arch/ia64/Kconfig | 1 - arch/m32r/Kconfig | 1 - arch/metag/Kconfig | 1 - arch/mips/Kconfig | 1 - arch/mn10300/Kconfig | 1 - arch/parisc/Kconfig | 1 - arch/powerpc/Kconfig | 1 - arch/s390/Kconfig | 1 - arch/sh/Kconfig | 1 - arch/sparc/Kconfig | 1 - arch/tile/Kconfig | 1 - arch/x86/Kconfig | 1 - block/blk-mq.c | 4 ++-- block/blk-softirq.c | 4 ++-- block/blk-sysfs.c | 2 +- include/linux/smp.h | 4 ---- kernel/Kconfig.hz | 2 +- kernel/smp.c | 2 -- 25 files changed, 6 insertions(+), 33 deletions(-) diff --git a/arch/Kconfig b/arch/Kconfig index af2cc6e..63c53c6 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -207,9 +207,6 @@ config HAVE_DMA_ATTRS config HAVE_DMA_CONTIGUOUS bool -config USE_GENERIC_SMP_HELPERS - bool - config GENERIC_SMP_IDLE_THREAD bool diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 35a300d..8d2a483 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -522,7 +522,6 @@ config ARCH_MAY_HAVE_PC_FDC config SMP bool "Symmetric multi-processing support" depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL - select USE_GENERIC_SMP_HELPERS ---help--- This enables support for systems with more than one CPU. If you have a system with only one CPU, like most personal computers, say N. If diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index 91dbb27..9c2ddbf 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -119,7 +119,6 @@ config ARC_PLAT_NEEDS_CPU_TO_DMA config SMP bool "Symmetric Multi-Processing (Incomplete)" default n - select USE_GENERIC_SMP_HELPERS help This enables support for systems with more than one CPU. If you have a system with only one CPU, like most personal computers, say N. If diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 1ad6fb6..a671b58 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1467,7 +1467,6 @@ config SMP depends on GENERIC_CLOCKEVENTS depends on HAVE_SMP depends on MMU || ARM_MPU - select USE_GENERIC_SMP_HELPERS help This enables support for systems with more than one CPU. If you have a system with only one CPU, like most personal computers, say N. If diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index c044548..7020613 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -140,7 +140,6 @@ config ARM64_64K_PAGES config SMP bool "Symmetric Multi-Processing" - select USE_GENERIC_SMP_HELPERS help This enables support for systems with more than one CPU. If you say N here, the kernel will run on single and diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index f78c9a2..e06b5d8 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -34,7 +34,6 @@ config BLACKFIN select ARCH_WANT_IPC_PARSE_VERSION select GENERIC_ATOMIC64 select GENERIC_IRQ_PROBE - select USE_GENERIC_SMP_HELPERS if SMP select HAVE_NMI_WATCHDOG if NMI_WATCHDOG select GENERIC_SMP_IDLE_THREAD select ARCH_USES_GETTIMEOFFSET if !GENERIC_CLOCKEVENTS diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig index 99041b0..09df260 100644 --- a/arch/hexagon/Kconfig +++ b/arch/hexagon/Kconfig @@ -4,7 +4,6 @@ comment "Linux Kernel Configuration for Hexagon" config HEXAGON def_bool y select HAVE_OPROFILE - select USE_GENERIC_SMP_HELPERS if SMP # Other pending projects/to-do items. # select HAVE_REGS_AND_STACK_ACCESS_API # select HAVE_HW_BREAKPOINT if PERF_EVENTS diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 7740ab1..dfe85e9 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -343,7 +343,6 @@ config FORCE_MAX_ZONEORDER config SMP bool "Symmetric multi-processing support" - select USE_GENERIC_SMP_HELPERS help This enables support for systems with more than one CPU. If you have a system with only one CPU, say N. If you have a system with more diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig index 75661fb..09ef94a 100644 --- a/arch/m32r/Kconfig +++ b/arch/m32r/Kconfig @@ -275,7 +275,6 @@ source "kernel/Kconfig.preempt" config SMP bool "Symmetric multi-processing support" - select USE_GENERIC_SMP_HELPERS ---help--- This enables support for systems with more than one CPU. If you have a system with only one CPU, like most personal computers, say N. If diff --git a/arch/metag/Kconfig b/arch/metag/Kconfig index 36368eb..e56abd2 100644 --- a/arch/metag/Kconfig +++ b/arch/metag/Kconfig @@ -111,7 +111,6 @@ config METAG_META21 config SMP bool "Symmetric multi-processing support" depends on METAG_META21 && METAG_META21_MMU - select USE_GENERIC_SMP_HELPERS help This enables support for systems with more than one thread running Linux. If you have a system with only one thread running Linux, diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index f75ab4a..f745dc3 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -2140,7 +2140,6 @@ source "mm/Kconfig" config SMP bool "Multi-Processing support" depends on SYS_SUPPORTS_SMP - select USE_GENERIC_SMP_HELPERS help This enables support for systems with more than one CPU. If you have a system with only one CPU, like most personal computers, say N. If diff --git a/arch/mn10300/Kconfig b/arch/mn10300/Kconfig index 6aaa160..8bde923 100644 --- a/arch/mn10300/Kconfig +++ b/arch/mn10300/Kconfig @@ -181,7 +181,6 @@ endmenu config SMP bool "Symmetric multi-processing support" default y - select USE_GENERIC_SMP_HELPERS depends on MN10300_PROC_MN2WS0038 || MN10300_PROC_MN2WS0050 ---help--- This enables support for systems with more than one CPU. If you have diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index ad2ce8d..0c08dc8 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -226,7 +226,6 @@ endchoice config SMP bool "Symmetric multi-processing support" - select USE_GENERIC_SMP_HELPERS ---help--- This enables support for systems with more than one CPU. If you have a system with only one CPU, like most personal computers, say N. If diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 38f3b7e..2bc9c49 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -106,7 +106,6 @@ config PPC select HAVE_MEMBLOCK_NODE_MAP select HAVE_DMA_ATTRS select HAVE_DMA_API_DEBUG - select USE_GENERIC_SMP_HELPERS if SMP select HAVE_OPROFILE select HAVE_DEBUG_KMEMLEAK select GENERIC_ATOMIC64 if PPC32 diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 7143793..8fed3f5 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -140,7 +140,6 @@ config S390 select OLD_SIGACTION select OLD_SIGSUSPEND3 select SYSCTL_EXCEPTION_TRACE - select USE_GENERIC_SMP_HELPERS if SMP select VIRT_CPU_ACCOUNTING select VIRT_TO_BUS diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 224f4bc..e78561b 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -711,7 +711,6 @@ config CC_STACKPROTECTOR config SMP bool "Symmetric multi-processing support" depends on SYS_SUPPORTS_SMP - select USE_GENERIC_SMP_HELPERS ---help--- This enables support for systems with more than one CPU. If you have a system with only one CPU, like most personal computers, say N. If diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 78c4fdb..8591b20 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -28,7 +28,6 @@ config SPARC select HAVE_ARCH_JUMP_LABEL select GENERIC_IRQ_SHOW select ARCH_WANT_IPC_PARSE_VERSION - select USE_GENERIC_SMP_HELPERS if SMP select GENERIC_PCI_IOMAP select HAVE_NMI_WATCHDOG if SPARC64 select HAVE_BPF_JIT diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig index d45a2c4..b3692ce 100644 --- a/arch/tile/Kconfig +++ b/arch/tile/Kconfig @@ -8,7 +8,6 @@ config TILE select HAVE_KVM if !TILEGX select GENERIC_FIND_FIRST_BIT select SYSCTL_EXCEPTION_TRACE - select USE_GENERIC_SMP_HELPERS select CC_OPTIMIZE_FOR_SIZE select HAVE_DEBUG_KMEMLEAK select GENERIC_IRQ_PROBE diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 145d703..f137df2 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -90,7 +90,6 @@ config X86 select GENERIC_IRQ_SHOW select GENERIC_CLOCKEVENTS_MIN_ADJUST select IRQ_FORCED_THREADING - select USE_GENERIC_SMP_HELPERS if SMP select HAVE_BPF_JIT if X86_64 select HAVE_ARCH_TRANSPARENT_HUGEPAGE select CLKEVT_I8253 diff --git a/block/blk-mq.c b/block/blk-mq.c index f21ec96..d43a7e8 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -318,7 +318,7 @@ void __blk_mq_end_io(struct request *rq, int error) blk_mq_complete_request(rq, error); } -#if defined(CONFIG_SMP) && defined(CONFIG_USE_GENERIC_SMP_HELPERS) +#if defined(CONFIG_SMP) /* * Called with interrupts disabled. @@ -360,7 +360,7 @@ static int ipi_remote_cpu(struct blk_mq_ctx *ctx, const int cpu, return true; } -#else /* CONFIG_SMP && CONFIG_USE_GENERIC_SMP_HELPERS */ +#else /* CONFIG_SMP */ static int ipi_remote_cpu(struct blk_mq_ctx *ctx, const int cpu, struct request *rq, const int error) { diff --git a/block/blk-softirq.c b/block/blk-softirq.c index ec9e606..ed07d79 100644 --- a/block/blk-softirq.c +++ b/block/blk-softirq.c @@ -36,7 +36,7 @@ static void blk_done_softirq(struct softirq_action *h) } } -#if defined(CONFIG_SMP) && defined(CONFIG_USE_GENERIC_SMP_HELPERS) +#ifdef CONFIG_SMP static void trigger_softirq(void *data) { struct request *rq = data; @@ -71,7 +71,7 @@ static int raise_blk_irq(int cpu, struct request *rq) return 1; } -#else /* CONFIG_SMP && CONFIG_USE_GENERIC_SMP_HELPERS */ +#else /* CONFIG_SMP */ static int raise_blk_irq(int cpu, struct request *rq) { return 1; diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index 4f8c4d9..9777952 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -288,7 +288,7 @@ static ssize_t queue_rq_affinity_store(struct request_queue *q, const char *page, size_t count) { ssize_t ret = -EINVAL; -#if defined(CONFIG_USE_GENERIC_SMP_HELPERS) +#ifdef CONFIG_SMP unsigned long val; ret = queue_var_store(&val, page, count); diff --git a/include/linux/smp.h b/include/linux/smp.h index 731f523..7885151 100644 --- a/include/linux/smp.h +++ b/include/linux/smp.h @@ -106,14 +106,10 @@ void kick_all_cpus_sync(void); /* * Generic and arch helpers */ -#ifdef CONFIG_USE_GENERIC_SMP_HELPERS void __init call_function_init(void); void generic_smp_call_function_single_interrupt(void); #define generic_smp_call_function_interrupt \ generic_smp_call_function_single_interrupt -#else -static inline void call_function_init(void) { } -#endif /* * Mark the boot cpu "online" so that it can call console drivers in diff --git a/kernel/Kconfig.hz b/kernel/Kconfig.hz index 94fabd5..2a202a8 100644 --- a/kernel/Kconfig.hz +++ b/kernel/Kconfig.hz @@ -55,4 +55,4 @@ config HZ default 1000 if HZ_1000 config SCHED_HRTICK - def_bool HIGH_RES_TIMERS && (!SMP || USE_GENERIC_SMP_HELPERS) + def_bool HIGH_RES_TIMERS diff --git a/kernel/smp.c b/kernel/smp.c index bc400e3..2b83645 100644 --- a/kernel/smp.c +++ b/kernel/smp.c @@ -15,7 +15,6 @@ #include "smpboot.h" -#ifdef CONFIG_USE_GENERIC_SMP_HELPERS enum { CSD_FLAG_LOCK = 0x01, CSD_FLAG_WAIT = 0x02, @@ -463,7 +462,6 @@ int smp_call_function(smp_call_func_t func, void *info, int wait) return 0; } EXPORT_SYMBOL(smp_call_function); -#endif /* USE_GENERIC_SMP_HELPERS */ /* Setup configured maximum number of CPUs to activate */ unsigned int setup_max_cpus = NR_CPUS; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/