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timer updates for 3.5

GIT PULL Thomas Gleixner 1 participant 1 message May 24, 2012

Subsystems (15)
Arm (32-bit) x86 PowerPC MIPS +11 more subsystems
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Linus,

please pull the latest timers-core-for-linus git tree from:

git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers-core-for-linus

The Kconfig series will cause a tiny problem with sparc. sparc32 became a new user of GENERIC_CLOCKEVENTS, so it needs the following fixlet after merging it in your tree.

arch/sparc/Kconfig +1 -1
@@ -33,6 +33,7 @@ config SPARC
 	select GENERIC_CMOS_UPDATE
 	select HAVE_BPF_JIT
 	select GENERIC_SMP_IDLE_THREAD
+	select GENERIC_CLOCKEVENTS
 
 config SPARC32
 	def_bool !64BIT
@@ -66,7 +67,6 @@ config SPARC64
 	select IRQ_PREFLOW_FASTEOI
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG
 	select HAVE_C_RECORDMCOUNT
-	select GENERIC_CLOCKEVENTS
 	select NO_BOOTMEM
 
 config ARCH_DEFCONFIG

Thanks,

tglx

------------------>
Anna-Maria Gleixner (22):
alpha: Use generic time config
arm: Use generic time config
avr32: Use generic time config
blackfin: Use generic time config
c6x: Use generic time config
cris: Use generic time config
hexagon: Use generic time config
ia64: Use generic time config
m32r: Use generic time config
m68k: Use generic time config
microblaze: Use generic time config
mips: Use generic time config
mn10300: Use generic time config
powerpc: Use generic time config
openrisc: Use generic time config
s390: Use generic time config
score: Use generic time config
sh: Use generic time config
sparc: Use: generic time config
tile: Use generic time config
um: Use generic time config
unicore32: Use generic time config

Jan Beulich (2):
x86: Clear HPET configuration registers on startup
x86: Allow multiple values to be specified with "hpet="

Richard Cochran (4):
ntp: Correct TAI offset during leap second
ntp: Fix a stale comment and a few stray newlines.
time: remove obsolete declaration
timekeeping: Fix a few minor newline issues.

Thomas Gleixner (3):
timers: Provide generic Kconfig switches
x86: Use generic time config
timers: Fixup the Kconfig consolidation fallout

 arch/alpha/Kconfig        |    4 +--
 arch/arm/Kconfig          |   20 +------------
 arch/avr32/Kconfig        |    6 +---
 arch/blackfin/Kconfig     |   10 ++-----
 arch/c6x/Kconfig          |    8 +-----
 arch/cris/Kconfig         |    7 +----
 arch/h8300/Kconfig.cpu    |    2 -
 arch/hexagon/Kconfig      |   16 ++---------
 arch/ia64/Kconfig         |    9 +-----
 arch/m32r/Kconfig         |    4 +--
 arch/m68k/Kconfig         |   11 +-------
 arch/microblaze/Kconfig   |    9 +-----
 arch/mips/Kconfig         |   15 +---------
 arch/mn10300/Kconfig      |    8 +-----
 arch/openrisc/Kconfig     |    5 +---
 arch/powerpc/Kconfig      |   13 ++-------
 arch/s390/Kconfig         |   14 ++-------
 arch/score/Kconfig        |    5 +---
 arch/sh/Kconfig           |   15 +---------
 arch/sparc/Kconfig        |   17 ++---------
 arch/tile/Kconfig         |    6 +---
 arch/um/Kconfig.common    |    5 +---
 arch/um/Kconfig.um        |    1 -
 arch/unicore32/Kconfig    |    5 ---
 arch/x86/Kconfig          |   33 +++++-----------------
 arch/x86/kernel/hpet.c    |   66 ++++++++++++++++++++++++++++++++++++++------
 include/linux/time.h      |    1 -
 init/Kconfig              |    1 +
 kernel/time/Kconfig       |   58 ++++++++++++++++++++++++++++++++++-----
 kernel/time/ntp.c         |    8 ++---
 kernel/time/timekeeping.c |    4 +--
 31 files changed, 155 insertions(+), 231 deletions(-)
arch/alpha/Kconfig +1 -3
index 22e58a9..77ba268 100644
@@ -15,6 +15,7 @@ config ALPHA
 	select GENERIC_IRQ_SHOW
 	select ARCH_WANT_OPTIONAL_GPIOLIB
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG
+	select GENERIC_CMOS_UPDATE
 	help
 	  The Alpha is a 64-bit general-purpose processor designed and
 	  marketed by the Digital Equipment Corporation of blessed memory,
@@ -47,9 +48,6 @@ config GENERIC_CALIBRATE_DELAY
 	bool
 	default y
 
-config GENERIC_CMOS_UPDATE
-        def_bool y
-
 config GENERIC_GPIO
 	bool
 
arch/arm/Kconfig +2 -18
index 36586dba..c1e5f07 100644
@@ -34,6 +34,8 @@ config ARM
 	select CPU_PM if (SUSPEND || CPU_IDLE)
 	select GENERIC_PCI_IOMAP
 	select HAVE_BPF_JIT if NET
+	select KTIME_SCALAR
+	select GENERIC_CLOCKEVENTS_BROADCAST if SMP
 	help
 	  The ARM series is a line of low-power-consumption RISC chip designs
 	  licensed by ARM Ltd and targeted at embedded applications and
@@ -57,22 +59,6 @@ config SYS_SUPPORTS_APM_EMULATION
 config GENERIC_GPIO
 	bool
 
-config ARCH_USES_GETTIMEOFFSET
-	bool
-	default n
-
-config GENERIC_CLOCKEVENTS
-	bool
-
-config GENERIC_CLOCKEVENTS_BROADCAST
-	bool
-	depends on GENERIC_CLOCKEVENTS
-	default y if SMP
-
-config KTIME_SCALAR
-	bool
-	default y
-
 config HAVE_TCM
 	bool
 	select GENERIC_ALLOCATOR
@@ -1473,8 +1459,6 @@ endmenu
 
 menu "Kernel Features"
 
-source "kernel/time/Kconfig"
-
 config HAVE_SMP
 	bool
 	help
arch/avr32/Kconfig +1 -5
index 3dea7231..f8bc2d2 100644
@@ -12,6 +12,7 @@ config AVR32
 	select HARDIRQS_SW_RESEND
 	select GENERIC_IRQ_SHOW
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG
+	select GENERIC_CLOCKEVENTS
 	help
 	  AVR32 is a high-performance 32-bit RISC microprocessor core,
 	  designed for cost-sensitive embedded applications, with particular
@@ -35,9 +36,6 @@ config TRACE_IRQFLAGS_SUPPORT
 config RWSEM_GENERIC_SPINLOCK
 	def_bool y
 
-config GENERIC_CLOCKEVENTS
-	def_bool y
-
 config RWSEM_XCHGADD_ALGORITHM
 	def_bool n
 
@@ -63,8 +61,6 @@ source "kernel/Kconfig.freezer"
 
 menu "System Type and features"
 
-source "kernel/time/Kconfig"
-
 config SUBARCH_AVR32B
 	bool
 config MMU
arch/blackfin/Kconfig +3 -7
index 373a690..f7897ee 100644
@@ -37,6 +37,7 @@ config BLACKFIN
 	select GENERIC_IRQ_PROBE
 	select IRQ_PER_CPU if SMP
 	select HAVE_NMI_WATCHDOG if NMI_WATCHDOG
+	select ARCH_USES_GETTIMEOFFSET if !GENERIC_CLOCKEVENTS
 
 config GENERIC_CSUM
 	def_bool y
@@ -593,9 +594,10 @@ comment "Kernel Timer/Scheduler"
 
 source kernel/Kconfig.hz
 
-config GENERIC_CLOCKEVENTS
+config SET_GENERIC_CLOCKEVENTS
 	bool "Generic clock events"
 	default y
+	select GENERIC_CLOCKEVENTS
 
 menu "Clock event device"
 	depends on GENERIC_CLOCKEVENTS
@@ -629,12 +631,6 @@ config GPTMR0_CLOCKSOURCE
 	depends on !TICKSOURCE_GPTMR0
 endmenu
 
-config ARCH_USES_GETTIMEOFFSET
-	depends on !GENERIC_CLOCKEVENTS
-	def_bool y
-
-source kernel/time/Kconfig
-
 comment "Misc"
 
 choice
arch/c6x/Kconfig +1 -7
index 1c3ccd4..9d446ef 100644
@@ -15,6 +15,7 @@ config TMS320C6X
 	select IRQ_DOMAIN
 	select OF
 	select OF_EARLY_FLATTREE
+	select GENERIC_CLOCKEVENTS
 
 config MMU
 	def_bool n
@@ -43,12 +44,6 @@ config GENERIC_CALIBRATE_DELAY
 config GENERIC_HWEIGHT
 	def_bool y
 
-config GENERIC_CLOCKEVENTS
-	def_bool y
-
-config GENERIC_CLOCKEVENTS_BROADCAST
-	bool
-
 config GENERIC_BUG
 	def_bool y
 
@@ -137,7 +132,6 @@ source "mm/Kconfig"
 source "kernel/Kconfig.preempt"
 
 source "kernel/Kconfig.hz"
-source "kernel/time/Kconfig"
 
 endmenu
 
arch/cris/Kconfig +1 -6
index b3abfb0..4a63e7e 100644
@@ -13,12 +13,6 @@ config RWSEM_GENERIC_SPINLOCK
 config RWSEM_XCHGADD_ALGORITHM
 	bool
 
-config GENERIC_CMOS_UPDATE
-	def_bool y
-
-config ARCH_USES_GETTIMEOFFSET
-	def_bool n
-
 config ARCH_HAS_ILOG2_U32
 	bool
 	default n
@@ -49,6 +43,7 @@ config CRIS
 	select HAVE_GENERIC_HARDIRQS
 	select GENERIC_IRQ_SHOW
 	select GENERIC_IOMAP
+	select GENERIC_CMOS_UPDATE
 
 config HZ
 	int
arch/h8300/Kconfig.cpu +0 -2
index 15c2228..321f392 100644
@@ -1,7 +1,5 @@
 menu "Processor type and features"
 
-source "kernel/time/Kconfig"
-
 choice
 	prompt "H8/300 platform"
 	default H8300H_GENERIC
arch/hexagon/Kconfig +3 -13
index 9059e39..35f6c32 100644
@@ -28,6 +28,9 @@ config HEXAGON
 	select NO_IOPORT
 	select GENERIC_IOMAP
 	# mostly generic routines, with some accelerated ones
+	select KTIME_SCALAR
+	select GENERIC_CLOCKEVENTS
+	select GENERIC_CLOCKEVENTS_BROADCAST
 	---help---
 	  Qualcomm Hexagon is a processor architecture designed for high
 	  performance and low power across a wide variety of applications.
@@ -56,9 +59,6 @@ config PCI
 config EARLY_PRINTK
 	def_bool y
 
-config KTIME_SCALAR
-	def_bool y
-
 config MMU
 	def_bool y
 
@@ -98,15 +98,6 @@ config GENERIC_FIND_NEXT_BIT
 config GENERIC_HWEIGHT
 	def_bool y
 
-config GENERIC_TIME
-	def_bool y
-
-config GENERIC_CLOCKEVENTS
-	def_bool y
-
-config GENERIC_CLOCKEVENTS_BROADCAST
-	def_bool y
-
 config STACKTRACE_SUPPORT
 	def_bool y
 	select STACKTRACE
@@ -192,7 +183,6 @@ endchoice
 source "mm/Kconfig"
 
 source "kernel/Kconfig.hz"
-source "kernel/time/Kconfig"
 
 config GENERIC_GPIO
 	bool "Generic GPIO support"
arch/ia64/Kconfig +2 -7
index bd72669..9f9d57b 100644
@@ -33,6 +33,8 @@ config IA64
 	select ARCH_WANT_OPTIONAL_GPIOLIB
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG
 	select GENERIC_IOMAP
+	select ARCH_CLOCKSOURCE_DATA
+	select GENERIC_TIME_VSYSCALL
 	default y
 	help
 	  The Itanium Processor Family is Intel's 64-bit successor to
@@ -88,10 +90,6 @@ config GENERIC_CALIBRATE_DELAY
 	bool
 	default y
 
-config GENERIC_TIME_VSYSCALL
-	bool
-	default y
-
 config HAVE_SETUP_PER_CPU_AREA
 	def_bool y
 
@@ -106,9 +104,6 @@ config EFI
 	bool
 	default y
 
-config ARCH_CLOCKSOURCE_DATA
-	def_bool y
-
 config SCHED_OMIT_FRAME_POINTER
 	bool
 	default y
arch/m32r/Kconfig +1 -3
index ef80a65..b638d5b 100644
@@ -11,6 +11,7 @@ config M32R
 	select GENERIC_IRQ_PROBE
 	select GENERIC_IRQ_SHOW
 	select GENERIC_ATOMIC64
+	select ARCH_USES_GETTIMEOFFSET
 
 config SBUS
 	bool
@@ -33,9 +34,6 @@ config HZ
 	int
 	default 100
 
-config ARCH_USES_GETTIMEOFFSET
-	def_bool y
-
 source "init/Kconfig"
 
 source "kernel/Kconfig.freezer"
arch/m68k/Kconfig +1 -10
index d318c60..cac5b6b 100644
@@ -8,6 +8,7 @@ config M68K
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS
 	select GENERIC_CPU_DEVICES
 	select FPU if MMU
+	select ARCH_USES_GETTIMEOFFSET if MMU && !COLDFIRE
 
 config RWSEM_GENERIC_SPINLOCK
 	bool
@@ -22,9 +23,6 @@ config ARCH_HAS_ILOG2_U32
 config ARCH_HAS_ILOG2_U64
 	bool
 
-config GENERIC_CLOCKEVENTS
-	bool
-
 config GENERIC_GPIO
 	bool
 
@@ -43,9 +41,6 @@ config TIME_LOW_RES
 	bool
 	default y
 
-config ARCH_USES_GETTIMEOFFSET
-	def_bool MMU && !COLDFIRE
-
 config NO_IOPORT
 	def_bool y
 
@@ -111,10 +106,6 @@ if COLDFIRE
 source "kernel/Kconfig.preempt"
 endif
 
-if !MMU || COLDFIRE
-source "kernel/time/Kconfig"
-endif
-
 source "mm/Kconfig"
 
 endmenu
arch/microblaze/Kconfig +1 -8
index ac22dc7..8346046 100644
@@ -22,6 +22,7 @@ config MICROBLAZE
 	select GENERIC_PCI_IOMAP
 	select GENERIC_CPU_DEVICES
 	select GENERIC_ATOMIC64
+	select GENERIC_CLOCKEVENTS
 
 config SWAP
 	def_bool n
@@ -50,12 +51,6 @@ config GENERIC_HWEIGHT
 config GENERIC_CALIBRATE_DELAY
 	def_bool y
 
-config GENERIC_TIME_VSYSCALL
-	def_bool n
-
-config GENERIC_CLOCKEVENTS
-	def_bool y
-
 config GENERIC_GPIO
 	def_bool y
 
@@ -79,8 +74,6 @@ source "arch/microblaze/platform/Kconfig.platform"
 
 menu "Processor type and features"
 
-source "kernel/time/Kconfig"
-
 source "kernel/Kconfig.preempt"
 
 source "kernel/Kconfig.hz"
arch/mips/Kconfig +2 -13
index ce30e2f..b65a730 100644
@@ -29,6 +29,8 @@ config MIPS
 	select HAVE_MEMBLOCK
 	select HAVE_MEMBLOCK_NODE_MAP
 	select ARCH_DISCARD_MEMBLOCK
+	select GENERIC_CLOCKEVENTS
+	select GENERIC_CMOS_UPDATE
 
 menu "Machine selection"
 
@@ -856,14 +858,6 @@ config GENERIC_CALIBRATE_DELAY
 	bool
 	default y
 
-config GENERIC_CLOCKEVENTS
-	bool
-	default y
-
-config GENERIC_CMOS_UPDATE
-	bool
-	default y
-
 config SCHED_OMIT_FRAME_POINTER
 	bool
 	default y
@@ -2050,9 +2044,6 @@ config CPU_HAS_SYNC
 	depends on !CPU_R3000
 	default y
 
-config GENERIC_CLOCKEVENTS_BROADCAST
-	bool
-
 #
 # CPU non-features
 #
@@ -2214,8 +2205,6 @@ config NR_CPUS
 	  performance should round up your number of processors to the next
 	  power of two.
 
-source "kernel/time/Kconfig"
-
 #
 # Timer Interrupt Frequency Configuration
 #
arch/mn10300/Kconfig +1 -7
index 3aa3de0..687f9b4 100644
@@ -6,6 +6,7 @@ config MN10300
 	select HAVE_ARCH_TRACEHOOK
 	select HAVE_ARCH_KGDB
 	select HAVE_NMI_WATCHDOG if MN10300_WD_TIMER
+	select GENERIC_CLOCKEVENTS
 
 config AM33_2
 	def_bool n
@@ -42,15 +43,9 @@ config RWSEM_XCHGADD_ALGORITHM
 config GENERIC_CALIBRATE_DELAY
 	def_bool y
 
-config GENERIC_CMOS_UPDATE
-        def_bool n
-
 config GENERIC_HWEIGHT
 	def_bool y
 
-config GENERIC_CLOCKEVENTS
-	def_bool y
-
 config GENERIC_BUG
 	def_bool y
 
@@ -231,7 +226,6 @@ config MN10300_USING_JTAG
 	  single-stepping, which are taken over completely by the JTAG unit.
 
 source "kernel/Kconfig.hz"
-source "kernel/time/Kconfig"
 
 config MN10300_RTC
 	bool "Using MN10300 RTC"
arch/openrisc/Kconfig +1 -4
index a478719..7065303 100644
@@ -17,6 +17,7 @@ config OPENRISC
 	select GENERIC_IOMAP
 	select GENERIC_CPU_DEVICES
 	select GENERIC_ATOMIC64
+	select GENERIC_CLOCKEVENTS
 
 config MMU
 	def_bool y
@@ -46,9 +47,6 @@ config NO_IOPORT
 config GENERIC_GPIO
 	def_bool y
 
-config GENERIC_CLOCKEVENTS
-	def_bool y
-
 config TRACE_IRQFLAGS_SUPPORT
         def_bool y
 
@@ -108,7 +106,6 @@ config OPENRISC_HAVE_INST_DIV
 endmenu
 
 
-source "kernel/time/Kconfig"
 source kernel/Kconfig.hz
 source kernel/Kconfig.preempt
 source "mm/Kconfig"
arch/powerpc/Kconfig +3 -10
index feab3ba..d47cf7f 100644
@@ -27,15 +27,6 @@ config MMU
 	bool
 	default y
 
-config GENERIC_CMOS_UPDATE
-	def_bool y
-
-config GENERIC_TIME_VSYSCALL
-	def_bool y
-
-config GENERIC_CLOCKEVENTS
-	def_bool y
-
 config HAVE_SETUP_PER_CPU_AREA
 	def_bool PPC64
 
@@ -144,6 +135,9 @@ config PPC
 	select HAVE_BPF_JIT if (PPC64 && NET)
 	select HAVE_ARCH_JUMP_LABEL
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG
+	select GENERIC_CMOS_UPDATE
+	select GENERIC_TIME_VSYSCALL
+	select GENERIC_CLOCKEVENTS
 
 config EARLY_PRINTK
 	bool
@@ -284,7 +278,6 @@ config HIGHMEM
 	bool "High memory support"
 	depends on PPC32
 
-source kernel/time/Kconfig
 source kernel/Kconfig.hz
 source kernel/Kconfig.preempt
 source "fs/Kconfig.binfmt"
arch/s390/Kconfig +3 -11
index 9015060..d0325d9 100644
@@ -28,12 +28,6 @@ config ARCH_HAS_ILOG2_U64
 config GENERIC_HWEIGHT
 	def_bool y
 
-config GENERIC_TIME_VSYSCALL
-	def_bool y
-
-config GENERIC_CLOCKEVENTS
-	def_bool y
-
 config GENERIC_BUG
 	def_bool y if BUG
 
@@ -122,6 +116,9 @@ config S390
 	select ARCH_INLINE_WRITE_UNLOCK_BH
 	select ARCH_INLINE_WRITE_UNLOCK_IRQ
 	select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE
+	select GENERIC_TIME_VSYSCALL
+	select GENERIC_CLOCKEVENTS
+	select KTIME_SCALAR if 32BIT
 
 config SCHED_OMIT_FRAME_POINTER
 	def_bool y
@@ -134,8 +131,6 @@ menu "Base setup"
 
 comment "Processor type and features"
 
-source "kernel/time/Kconfig"
-
 config 64BIT
 	def_bool y
 	prompt "64 bit kernel"
@@ -146,9 +141,6 @@ config 64BIT
 config 32BIT
 	def_bool y if !64BIT
 
-config KTIME_SCALAR
-	def_bool 32BIT
-
 config SMP
 	def_bool y
 	prompt "Symmetric multi-processing support"
arch/score/Kconfig +1 -4
index 4b28577..ba0f412 100644
@@ -9,6 +9,7 @@ config SCORE
        select HAVE_MEMBLOCK_NODE_MAP
        select ARCH_DISCARD_MEMBLOCK
        select GENERIC_CPU_DEVICES
+       select GENERIC_CLOCKEVENTS
 
 choice
 	prompt "System type"
@@ -51,9 +52,6 @@ config GENERIC_HWEIGHT
 config GENERIC_CALIBRATE_DELAY
 	def_bool y
 
-config GENERIC_CLOCKEVENTS
-	def_bool y
-
 menu "Kernel type"
 
 config 32BIT
@@ -68,7 +66,6 @@ config MEMORY_START
 	hex
 	default	0xa0000000
 
-source "kernel/time/Kconfig"
 source "kernel/Kconfig.hz"
 source "kernel/Kconfig.preempt"
 
arch/sh/Kconfig +2 -13
index ff9e033..820dfe3 100644
@@ -28,6 +28,8 @@ config SUPERH
 	select RTC_LIB
 	select GENERIC_ATOMIC64
 	select GENERIC_IRQ_SHOW
+	select GENERIC_CLOCKEVENTS
+	select GENERIC_CMOS_UPDATE if SH_SH03 || SH_DREAMCAST
 	help
 	  The SuperH is a RISC processor targeted for use in embedded systems
 	  and consumer electronics; it was also used in the Sega Dreamcast
@@ -86,16 +88,6 @@ config GENERIC_GPIO
 config GENERIC_CALIBRATE_DELAY
 	bool
 
-config GENERIC_CLOCKEVENTS
-	def_bool y
-
-config GENERIC_CLOCKEVENTS_BROADCAST
-	bool
-
-config GENERIC_CMOS_UPDATE
-	def_bool y
-	depends on SH_SH03 || SH_DREAMCAST
-
 config GENERIC_LOCKBREAK
 	def_bool y
 	depends on SMP && PREEMPT
@@ -585,9 +577,6 @@ config SH_CLK_CPG_LEGACY
 	depends on SH_CLK_CPG
 	def_bool y if !CPU_SUBTYPE_SH7785 && !ARCH_SHMOBILE && \
 		      !CPU_SHX3 && !CPU_SUBTYPE_SH7757
-
-source "kernel/time/Kconfig"
-
 endmenu
 
 menu "CPU Frequency scaling"
arch/sparc/Kconfig +3 -14
index 6c0683d..b5a035a 100644
@@ -30,11 +30,13 @@ config SPARC
 	select USE_GENERIC_SMP_HELPERS if SMP
 	select GENERIC_PCI_IOMAP
 	select HAVE_NMI_WATCHDOG if SPARC64
+	select GENERIC_CMOS_UPDATE
 
 config SPARC32
 	def_bool !64BIT
 	select GENERIC_ATOMIC64
 	select CLZ_TAB
+	select ARCH_USES_GETTIMEOFFSET
 
 config SPARC64
 	def_bool 64BIT
@@ -61,6 +63,7 @@ config SPARC64
 	select IRQ_PREFLOW_FASTEOI
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG
 	select HAVE_C_RECORDMCOUNT
+	select GENERIC_CLOCKEVENTS
 
 config ARCH_DEFCONFIG
 	string
@@ -73,18 +76,6 @@ config BITS
 	default 32 if SPARC32
 	default 64 if SPARC64
 
-config ARCH_USES_GETTIMEOFFSET
-	bool
-	default y if SPARC32
-
-config GENERIC_CMOS_UPDATE
-	bool
-	default y
-
-config GENERIC_CLOCKEVENTS
-	bool
-	default y if SPARC64
-
 config IOMMU_HELPER
 	bool
 	default y if SPARC64
@@ -275,8 +266,6 @@ config HOTPLUG_CPU
 	  can be controlled through /sys/devices/system/cpu/cpu#.
 	  Say N if you want to disable CPU hotplug.
 
-source "kernel/time/Kconfig"
-
 if SPARC64
 source "drivers/cpufreq/Kconfig"
 
arch/tile/Kconfig +1 -5
index 96033e2..4eec3a1 100644
@@ -13,6 +13,7 @@ config TILE
 	select GENERIC_IRQ_SHOW
 	select SYS_HYPERVISOR
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG
+	select GENERIC_CLOCKEVENTS
 
 # FIXME: investigate whether we need/want these options.
 #	select HAVE_IOREMAP_PROT
@@ -46,9 +47,6 @@ config NEED_PER_CPU_PAGE_FIRST_CHUNK
 config SYS_SUPPORTS_HUGETLBFS
 	def_bool y
 
-config GENERIC_CLOCKEVENTS
-	def_bool y
-
 # FIXME: tilegx can implement a more efficient rwsem.
 config RWSEM_GENERIC_SPINLOCK
 	def_bool y
@@ -138,8 +136,6 @@ config NR_CPUS
 	  smaller kernel memory footprint results from using a smaller
 	  value on chips with fewer tiles.
 
-source "kernel/time/Kconfig"
-
 source "kernel/Kconfig.hz"
 
 config KEXEC
arch/um/Kconfig.common +1 -4
index 20a49ba..806185d 100644
@@ -10,6 +10,7 @@ config UML
 	select GENERIC_IRQ_SHOW
 	select GENERIC_CPU_DEVICES
 	select GENERIC_IO
+	select GENERIC_CLOCKEVENTS
 
 config MMU
 	bool
@@ -52,10 +53,6 @@ config GENERIC_BUG
 	default y
 	depends on BUG
 
-config GENERIC_CLOCKEVENTS
-	bool
-	default y
-
 # Used in kernel/irq/manage.c and include/linux/irq.h
 config IRQ_RELEASE_METHOD
 	bool
arch/um/Kconfig.um +0 -1
index 70fd690..bf87f25 100644
@@ -10,7 +10,6 @@ config STATIC_LINK
 	  2.75G) for UML.
 
 source "mm/Kconfig"
-source "kernel/time/Kconfig"
 
 config LD_SCRIPT_STATIC
 	bool
arch/unicore32/Kconfig +0 -5
index eeb8054..47ad521 100644
@@ -25,9 +25,6 @@ config HAVE_PWM
 config GENERIC_GPIO
 	def_bool y
 
-config GENERIC_CLOCKEVENTS
-	bool
-
 config GENERIC_CSUM
 	def_bool y
 
@@ -146,8 +143,6 @@ endmenu
 
 menu "Kernel Features"
 
-source "kernel/time/Kconfig"
-
 source "kernel/Kconfig.preempt"
 
 source "kernel/Kconfig.hz"
arch/x86/Kconfig +7 -26
index c9866b0..1b1e049 100644
@@ -82,6 +82,13 @@ config X86
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG
 	select GENERIC_IOMAP
 	select DCACHE_WORD_ACCESS
+	select GENERIC_CMOS_UPDATE
+	select CLOCKSOURCE_WATCHDOG
+	select GENERIC_CLOCKEVENTS
+	select ARCH_CLOCKSOURCE_DATA if X86_64
+	select GENERIC_CLOCKEVENTS_BROADCAST if X86_64 || (X86_32 && X86_LOCAL_APIC)
+	select GENERIC_TIME_VSYSCALL if X86_64
+	select KTIME_SCALAR if X86_32
 
 config INSTRUCTION_DECODER
 	def_bool (KPROBES || PERF_EVENTS)
@@ -96,23 +103,6 @@ config ARCH_DEFCONFIG
 	default "arch/x86/configs/i386_defconfig" if X86_32
 	default "arch/x86/configs/x86_64_defconfig" if X86_64
 
-config GENERIC_CMOS_UPDATE
-	def_bool y
-
-config CLOCKSOURCE_WATCHDOG
-	def_bool y
-
-config GENERIC_CLOCKEVENTS
-	def_bool y
-
-config ARCH_CLOCKSOURCE_DATA
-	def_bool y
-	depends on X86_64
-
-config GENERIC_CLOCKEVENTS_BROADCAST
-	def_bool y
-	depends on X86_64 || (X86_32 && X86_LOCAL_APIC)
-
 config LOCKDEP_SUPPORT
 	def_bool y
 
@@ -166,10 +156,6 @@ config ARCH_HAS_CPU_IDLE_WAIT
 config GENERIC_CALIBRATE_DELAY
 	def_bool y
 
-config GENERIC_TIME_VSYSCALL
-	bool
-	default X86_64
-
 config ARCH_HAS_CPU_RELAX
 	def_bool y
 
@@ -236,9 +222,6 @@ config ARCH_HWEIGHT_CFLAGS
 	default "-fcall-saved-ecx -fcall-saved-edx" if X86_32
 	default "-fcall-saved-rdi -fcall-saved-rsi -fcall-saved-rdx -fcall-saved-rcx -fcall-saved-r8 -fcall-saved-r9 -fcall-saved-r10 -fcall-saved-r11" if X86_64
 
-config KTIME_SCALAR
-	def_bool X86_32
-
 config ARCH_CPU_PROBE_RELEASE
 	def_bool y
 	depends on HOTPLUG_CPU
@@ -258,8 +241,6 @@ config ZONE_DMA
 
 	  If unsure, say Y.
 
-source "kernel/time/Kconfig"
-
 config SMP
 	bool "Symmetric multi-processing support"
 	---help---
arch/x86/kernel/hpet.c +57 -9

122 lines not on this page · raw message

include/linux/time.h +0 -1
index 33a92ea..179f4d6 100644
@@ -167,7 +167,6 @@ extern void get_monotonic_boottime(struct timespec *ts);
 extern struct timespec timespec_trunc(struct timespec t, unsigned gran);
 extern int timekeeping_valid_for_hres(void);
 extern u64 timekeeping_max_deferment(void);
-extern void timekeeping_leap_insert(int leapsecond);
 extern int timekeeping_inject_offset(struct timespec *ts);
 
 struct tms;
init/Kconfig +1 -0
index 6cfd71d..528a0c4 100644
@@ -387,6 +387,7 @@ config AUDIT_LOGINUID_IMMUTABLE
 	  but may not be backwards compatible with older init systems.
 
 source "kernel/irq/Kconfig"
+source "kernel/time/Kconfig"
 
 menu "RCU Subsystem"
 
kernel/time/Kconfig +51 -7

67 lines not on this page · raw message

kernel/time/ntp.c +3 -5
index f03fd83..70b33ab 100644
@@ -412,6 +412,7 @@ int second_overflow(unsigned long secs)
 		if (secs % 86400 == 0) {
 			leap = -1;
 			time_state = TIME_OOP;
+			time_tai++;
 			printk(KERN_NOTICE
 				"Clock: inserting leap second 23:59:60 UTC\n");
 		}
@@ -426,7 +427,6 @@ int second_overflow(unsigned long secs)
 		}
 		break;
 	case TIME_OOP:
-		time_tai++;
 		time_state = TIME_WAIT;
 		break;
 
@@ -473,8 +473,6 @@ int second_overflow(unsigned long secs)
 							 << NTP_SCALE_SHIFT;
 	time_adjust = 0;
 
-
-
 out:
 	spin_unlock_irqrestore(&ntp_lock, flags);
 
@@ -559,10 +557,10 @@ static inline void process_adj_status(struct timex *txc, struct timespec *ts)
 	/* only set allowed bits */
 	time_status &= STA_RONLY;
 	time_status |= txc->status & ~STA_RONLY;
-
 }
+
 /*
- * Called with the xtime lock held, so we can access and modify
+ * Called with ntp_lock held, so we can access and modify
  * all the global NTP state:
  */
 static inline void process_adjtimex_modes(struct timex *txc, struct timespec *ts)
kernel/time/timekeeping.c +1 -3
index d66b213..6e46cac 100644
@@ -240,7 +240,6 @@ void getnstimeofday(struct timespec *ts)
 
 	timespec_add_ns(ts, nsecs);
 }
-
 EXPORT_SYMBOL(getnstimeofday);
 
 ktime_t ktime_get(void)
@@ -357,8 +356,8 @@ void do_gettimeofday(struct timeval *tv)
 	tv->tv_sec = now.tv_sec;
 	tv->tv_usec = now.tv_nsec/1000;
 }
-
 EXPORT_SYMBOL(do_gettimeofday);
+
 /**
  * do_settimeofday - Sets the time of day
  * @tv:		pointer to the timespec variable containing the new time
@@ -392,7 +391,6 @@ int do_settimeofday(const struct timespec *tv)
 
 	return 0;
 }
-
 EXPORT_SYMBOL(do_settimeofday);