kernel: remove CONFIG_USE_GENERIC_SMP_HELPERS
We've switched over every architecture that supports SMP to it, so remove the new useless config variable. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Jan Kara <jack@suse.cz> Cc: Jens Axboe <axboe@kernel.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Git-commit: 0a06ff068f1255bcd7965ab07bc0f4adc3eb639a Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git [imaund@codeaurora.org: resolve merge conflicts] Signed-off-by: Ian Maund <imaund@codeaurora.org>
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10473d2135
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d040642497
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@ -207,9 +207,6 @@ config HAVE_DMA_ATTRS
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config HAVE_DMA_CONTIGUOUS
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config HAVE_DMA_CONTIGUOUS
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bool
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bool
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config USE_GENERIC_SMP_HELPERS
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bool
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config GENERIC_SMP_IDLE_THREAD
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config GENERIC_SMP_IDLE_THREAD
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bool
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bool
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@ -521,7 +521,6 @@ config ARCH_MAY_HAVE_PC_FDC
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config SMP
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config SMP
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bool "Symmetric multi-processing support"
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bool "Symmetric multi-processing support"
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depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
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depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
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select USE_GENERIC_SMP_HELPERS
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---help---
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---help---
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This enables support for systems with more than one CPU. If you have
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This enables support for systems with more than one CPU. If you have
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a system with only one CPU, like most personal computers, say N. If
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a system with only one CPU, like most personal computers, say N. If
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@ -118,7 +118,6 @@ config ARC_PLAT_NEEDS_CPU_TO_DMA
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config SMP
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config SMP
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bool "Symmetric Multi-Processing (Incomplete)"
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bool "Symmetric Multi-Processing (Incomplete)"
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default n
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default n
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select USE_GENERIC_SMP_HELPERS
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help
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help
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This enables support for systems with more than one CPU. If you have
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This enables support for systems with more than one CPU. If you have
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a system with only one CPU, like most personal computers, say N. If
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a system with only one CPU, like most personal computers, say N. If
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@ -1487,7 +1487,6 @@ config SMP
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depends on GENERIC_CLOCKEVENTS
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depends on GENERIC_CLOCKEVENTS
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depends on HAVE_SMP
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depends on HAVE_SMP
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depends on MMU
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depends on MMU
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select USE_GENERIC_SMP_HELPERS
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help
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help
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This enables support for systems with more than one CPU. If you have
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This enables support for systems with more than one CPU. If you have
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a system with only one CPU, like most personal computers, say N. If
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a system with only one CPU, like most personal computers, say N. If
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@ -169,7 +169,6 @@ config CPU_BIG_ENDIAN
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config SMP
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config SMP
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bool "Symmetric Multi-Processing"
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bool "Symmetric Multi-Processing"
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select USE_GENERIC_SMP_HELPERS
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help
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help
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This enables support for systems with more than one CPU. If
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This enables support for systems with more than one CPU. If
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you say N here, the kernel will run on single and
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you say N here, the kernel will run on single and
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@ -34,7 +34,6 @@ config BLACKFIN
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select ARCH_WANT_IPC_PARSE_VERSION
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select ARCH_WANT_IPC_PARSE_VERSION
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select GENERIC_ATOMIC64
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select GENERIC_ATOMIC64
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select GENERIC_IRQ_PROBE
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select GENERIC_IRQ_PROBE
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select USE_GENERIC_SMP_HELPERS if SMP
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select HAVE_NMI_WATCHDOG if NMI_WATCHDOG
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select HAVE_NMI_WATCHDOG if NMI_WATCHDOG
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select GENERIC_SMP_IDLE_THREAD
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select GENERIC_SMP_IDLE_THREAD
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select ARCH_USES_GETTIMEOFFSET if !GENERIC_CLOCKEVENTS
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select ARCH_USES_GETTIMEOFFSET if !GENERIC_CLOCKEVENTS
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@ -4,7 +4,6 @@ comment "Linux Kernel Configuration for Hexagon"
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config HEXAGON
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config HEXAGON
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def_bool y
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def_bool y
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select HAVE_OPROFILE
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select HAVE_OPROFILE
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select USE_GENERIC_SMP_HELPERS if SMP
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# Other pending projects/to-do items.
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# Other pending projects/to-do items.
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# select HAVE_REGS_AND_STACK_ACCESS_API
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# select HAVE_REGS_AND_STACK_ACCESS_API
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# select HAVE_HW_BREAKPOINT if PERF_EVENTS
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# select HAVE_HW_BREAKPOINT if PERF_EVENTS
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@ -343,7 +343,6 @@ config FORCE_MAX_ZONEORDER
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config SMP
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config SMP
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bool "Symmetric multi-processing support"
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bool "Symmetric multi-processing support"
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select USE_GENERIC_SMP_HELPERS
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help
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help
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This enables support for systems with more than one CPU. If you have
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This enables support for systems with more than one CPU. If you have
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a system with only one CPU, say N. If you have a system with more
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a system with only one CPU, say N. If you have a system with more
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@ -274,7 +274,6 @@ source "kernel/Kconfig.preempt"
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config SMP
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config SMP
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bool "Symmetric multi-processing support"
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bool "Symmetric multi-processing support"
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select USE_GENERIC_SMP_HELPERS
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---help---
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---help---
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This enables support for systems with more than one CPU. If you have
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This enables support for systems with more than one CPU. If you have
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a system with only one CPU, like most personal computers, say N. If
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a system with only one CPU, like most personal computers, say N. If
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@ -110,7 +110,6 @@ config METAG_META21
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config SMP
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config SMP
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bool "Symmetric multi-processing support"
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bool "Symmetric multi-processing support"
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depends on METAG_META21 && METAG_META21_MMU
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depends on METAG_META21 && METAG_META21_MMU
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select USE_GENERIC_SMP_HELPERS
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help
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help
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This enables support for systems with more than one thread running
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This enables support for systems with more than one thread running
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Linux. If you have a system with only one thread running Linux,
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Linux. If you have a system with only one thread running Linux,
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@ -2175,7 +2175,6 @@ source "mm/Kconfig"
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config SMP
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config SMP
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bool "Multi-Processing support"
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bool "Multi-Processing support"
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depends on SYS_SUPPORTS_SMP
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depends on SYS_SUPPORTS_SMP
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select USE_GENERIC_SMP_HELPERS
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help
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help
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This enables support for systems with more than one CPU. If you have
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This enables support for systems with more than one CPU. If you have
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a system with only one CPU, like most personal computers, say N. If
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a system with only one CPU, like most personal computers, say N. If
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@ -180,7 +180,6 @@ endmenu
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config SMP
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config SMP
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bool "Symmetric multi-processing support"
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bool "Symmetric multi-processing support"
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default y
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default y
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select USE_GENERIC_SMP_HELPERS
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depends on MN10300_PROC_MN2WS0038 || MN10300_PROC_MN2WS0050
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depends on MN10300_PROC_MN2WS0038 || MN10300_PROC_MN2WS0050
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---help---
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---help---
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This enables support for systems with more than one CPU. If you have
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This enables support for systems with more than one CPU. If you have
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@ -225,7 +225,6 @@ endchoice
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config SMP
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config SMP
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bool "Symmetric multi-processing support"
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bool "Symmetric multi-processing support"
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select USE_GENERIC_SMP_HELPERS
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---help---
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---help---
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This enables support for systems with more than one CPU. If you have
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This enables support for systems with more than one CPU. If you have
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a system with only one CPU, like most personal computers, say N. If
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a system with only one CPU, like most personal computers, say N. If
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@ -106,7 +106,6 @@ config PPC
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select HAVE_MEMBLOCK_NODE_MAP
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select HAVE_MEMBLOCK_NODE_MAP
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select HAVE_DMA_ATTRS
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select HAVE_DMA_ATTRS
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select HAVE_DMA_API_DEBUG
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select HAVE_DMA_API_DEBUG
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select USE_GENERIC_SMP_HELPERS if SMP
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select HAVE_OPROFILE
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select HAVE_OPROFILE
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select HAVE_DEBUG_KMEMLEAK
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select HAVE_DEBUG_KMEMLEAK
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select GENERIC_ATOMIC64 if PPC32
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select GENERIC_ATOMIC64 if PPC32
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@ -140,7 +140,6 @@ config S390
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select OLD_SIGSUSPEND3
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select OLD_SIGSUSPEND3
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select OLD_SIGACTION
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select OLD_SIGACTION
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select SYSCTL_EXCEPTION_TRACE
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select SYSCTL_EXCEPTION_TRACE
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select USE_GENERIC_SMP_HELPERS if SMP
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select VIRT_CPU_ACCOUNTING
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select VIRT_CPU_ACCOUNTING
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config SCHED_OMIT_FRAME_POINTER
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config SCHED_OMIT_FRAME_POINTER
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@ -711,7 +711,6 @@ config CC_STACKPROTECTOR
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config SMP
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config SMP
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bool "Symmetric multi-processing support"
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bool "Symmetric multi-processing support"
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depends on SYS_SUPPORTS_SMP
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depends on SYS_SUPPORTS_SMP
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select USE_GENERIC_SMP_HELPERS
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---help---
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---help---
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This enables support for systems with more than one CPU. If you have
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This enables support for systems with more than one CPU. If you have
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a system with only one CPU, like most personal computers, say N. If
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a system with only one CPU, like most personal computers, say N. If
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@ -28,7 +28,6 @@ config SPARC
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select HAVE_ARCH_JUMP_LABEL
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select HAVE_ARCH_JUMP_LABEL
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select GENERIC_IRQ_SHOW
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select GENERIC_IRQ_SHOW
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select ARCH_WANT_IPC_PARSE_VERSION
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select ARCH_WANT_IPC_PARSE_VERSION
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select USE_GENERIC_SMP_HELPERS if SMP
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select GENERIC_PCI_IOMAP
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select GENERIC_PCI_IOMAP
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select HAVE_NMI_WATCHDOG if SPARC64
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select HAVE_NMI_WATCHDOG if SPARC64
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select HAVE_BPF_JIT
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select HAVE_BPF_JIT
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@ -8,7 +8,6 @@ config TILE
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select HAVE_KVM if !TILEGX
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select HAVE_KVM if !TILEGX
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select GENERIC_FIND_FIRST_BIT
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select GENERIC_FIND_FIRST_BIT
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select SYSCTL_EXCEPTION_TRACE
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select SYSCTL_EXCEPTION_TRACE
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select USE_GENERIC_SMP_HELPERS
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select CC_OPTIMIZE_FOR_SIZE
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select CC_OPTIMIZE_FOR_SIZE
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select HAVE_DEBUG_KMEMLEAK
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select HAVE_DEBUG_KMEMLEAK
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select GENERIC_IRQ_PROBE
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select GENERIC_IRQ_PROBE
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@ -89,7 +89,6 @@ config X86
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select GENERIC_IRQ_SHOW
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select GENERIC_IRQ_SHOW
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select GENERIC_CLOCKEVENTS_MIN_ADJUST
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select GENERIC_CLOCKEVENTS_MIN_ADJUST
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select IRQ_FORCED_THREADING
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select IRQ_FORCED_THREADING
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select USE_GENERIC_SMP_HELPERS if SMP
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select HAVE_BPF_JIT if X86_64
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select HAVE_BPF_JIT if X86_64
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select HAVE_ARCH_TRANSPARENT_HUGEPAGE
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select HAVE_ARCH_TRANSPARENT_HUGEPAGE
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select CLKEVT_I8253
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select CLKEVT_I8253
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@ -36,7 +36,7 @@ static void blk_done_softirq(struct softirq_action *h)
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}
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}
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}
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}
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#if defined(CONFIG_SMP) && defined(CONFIG_USE_GENERIC_SMP_HELPERS)
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#ifdef CONFIG_SMP
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static void trigger_softirq(void *data)
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static void trigger_softirq(void *data)
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{
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{
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struct request *rq = data;
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struct request *rq = data;
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@ -71,7 +71,7 @@ static int raise_blk_irq(int cpu, struct request *rq)
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return 1;
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return 1;
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}
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}
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#else /* CONFIG_SMP && CONFIG_USE_GENERIC_SMP_HELPERS */
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#else /* CONFIG_SMP */
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static int raise_blk_irq(int cpu, struct request *rq)
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static int raise_blk_irq(int cpu, struct request *rq)
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{
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{
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return 1;
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return 1;
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@ -287,7 +287,7 @@ static ssize_t
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queue_rq_affinity_store(struct request_queue *q, const char *page, size_t count)
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queue_rq_affinity_store(struct request_queue *q, const char *page, size_t count)
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{
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{
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ssize_t ret = -EINVAL;
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ssize_t ret = -EINVAL;
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#if defined(CONFIG_USE_GENERIC_SMP_HELPERS)
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#ifdef CONFIG_SMP
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unsigned long val;
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unsigned long val;
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ret = queue_var_store(&val, page, count);
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ret = queue_var_store(&val, page, count);
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@ -86,14 +86,10 @@ void kick_all_cpus_sync(void);
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/*
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/*
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* Generic and arch helpers
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* Generic and arch helpers
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*/
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*/
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#ifdef CONFIG_USE_GENERIC_SMP_HELPERS
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void __init call_function_init(void);
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void __init call_function_init(void);
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void generic_smp_call_function_single_interrupt(void);
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void generic_smp_call_function_single_interrupt(void);
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#define generic_smp_call_function_interrupt \
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#define generic_smp_call_function_interrupt \
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generic_smp_call_function_single_interrupt
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generic_smp_call_function_single_interrupt
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#else
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static inline void call_function_init(void) { }
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#endif
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/*
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/*
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* Call a function on all processors
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* Call a function on all processors
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@ -55,4 +55,4 @@ config HZ
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default 1000 if HZ_1000
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default 1000 if HZ_1000
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config SCHED_HRTICK
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config SCHED_HRTICK
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def_bool HIGH_RES_TIMERS && (!SMP || USE_GENERIC_SMP_HELPERS)
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def_bool HIGH_RES_TIMERS
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@ -15,7 +15,6 @@
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#include "smpboot.h"
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#include "smpboot.h"
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#ifdef CONFIG_USE_GENERIC_SMP_HELPERS
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enum {
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enum {
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CSD_FLAG_LOCK = 0x01,
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CSD_FLAG_LOCK = 0x01,
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};
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};
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@ -470,7 +469,6 @@ int smp_call_function(smp_call_func_t func, void *info, int wait)
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return 0;
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return 0;
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}
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}
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EXPORT_SYMBOL(smp_call_function);
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EXPORT_SYMBOL(smp_call_function);
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#endif /* USE_GENERIC_SMP_HELPERS */
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/* Setup configured maximum number of CPUs to activate */
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/* Setup configured maximum number of CPUs to activate */
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unsigned int setup_max_cpus = NR_CPUS;
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unsigned int setup_max_cpus = NR_CPUS;
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