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Date: Mon, 1 Jun 2009 17:58:21 +0900 From: Tejun Heo <tj@...nel.org> To: JBeulich@...ell.com, andi@...stfloor.org, mingo@...e.hu, hpa@...or.com, tglx@...utronix.de, linux-kernel@...r.kernel.org, x86@...nel.org, ink@...assic.park.msu.ru, rth@...ddle.net, linux@....linux.org.uk, hskinnemoen@...el.com, cooloney@...nel.org, starvik@...s.com, jesper.nilsson@...s.com, dhowells@...hat.com, ysato@...rs.sourceforge.jp, tony.luck@...el.com, takata@...ux-m32r.org, geert@...ux-m68k.org, monstr@...str.eu, ralf@...ux-mips.org, kyle@...artin.ca, benh@...nel.crashing.org, paulus@...ba.org, schwidefsky@...ibm.com, heiko.carstens@...ibm.com, lethal@...ux-sh.org, davem@...emloft.net, jdike@...toit.com, chris@...kel.net, rusty@...tcorp.com.au Subject: [GIT PATCH core/percpu] percpu: convert most archs to dynamic percpu, take#2 Hello, Upon ack, please pull from the following git tree. git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc.git tj-percpu This is the second take of percpu-convert-most-archs-to-dynamic-percpu patchset. Changes from the last take[L] are * Rebased on top of tj-percpu-fix-remap. * As suggested by Rusty Russell, complex percpu definition macros which used dummy variables to guarantee scope and uniqueness have been dropped. Instead, now all percpu variables are required to be global. No statics allowed. All in-kernel users are converted by this patchset. * Linker script .discard section handling patch no longer necessary and dropped. This patchset contains the following seven patches. 0001-percpu-use-dynamic-percpu-allocator-as-the-default.patch 0002-percpu-cleanup-percpu-array-definitions.patch 0003-percpu-clean-up-percpu-variable-definitions.patch 0004-percpu-enforce-global-definition.patch 0005-alpha-kill-unnecessary-__used-attribute-in-PER_CPU_.patch 0006-alpha-switch-to-dynamic-percpu-allocator.patch 0007-s390-switch-to-dynamic-percpu-allocator.patch 0001 converts archs which are easy to convert and make dynamic percpu allocator the default. 0002-0003 prepares for percpu variable definition change. 0004 enforces global definitions. 0005-0007 convert alpha and s390 to dynamic percpu variable using the weak attribute. This patchset is on top of core/percpu (e1b9aa3f47242e757c776a3771bb6613e675bf9c) + linus-2.6#master (3218911f839b6c85acbf872ad264ea69aa4d89ad) + x86-percpu-fix-pageattr patchset, take#3 [1] and contains the following changes. arch/alpha/include/asm/percpu.h | 101 ++--------------------- arch/alpha/include/asm/tlbflush.h | 1 arch/arm/kernel/smp.c | 2 arch/arm/mach-realview/localtimer.c | 2 arch/avr32/kernel/cpu.c | 2 arch/blackfin/mach-common/smp.c | 2 arch/blackfin/mm/sram-alloc.c | 22 ++--- arch/cris/include/asm/mmu_context.h | 2 arch/ia64/Kconfig | 3 arch/ia64/kernel/crash.c | 2 arch/ia64/kernel/smp.c | 4 arch/ia64/kernel/traps.c | 2 arch/ia64/kvm/kvm-ia64.c | 2 arch/ia64/sn/kernel/setup.c | 2 arch/ia64/xen/irq_xen.c | 24 ++--- arch/mips/kernel/cevt-bcm1480.c | 6 - arch/mips/kernel/cevt-sb1250.c | 6 - arch/mips/kernel/topology.c | 2 arch/mips/sgi-ip27/ip27-timer.c | 4 arch/parisc/kernel/irq.c | 2 arch/parisc/kernel/topology.c | 2 arch/powerpc/Kconfig | 3 arch/powerpc/kernel/cacheinfo.c | 2 arch/powerpc/kernel/process.c | 2 arch/powerpc/kernel/sysfs.c | 4 arch/powerpc/kernel/time.c | 6 - arch/powerpc/mm/pgtable.c | 2 arch/powerpc/mm/stab.c | 4 arch/powerpc/oprofile/op_model_cell.c | 2 arch/powerpc/platforms/cell/cpufreq_spudemand.c | 2 arch/powerpc/platforms/cell/interrupt.c | 2 arch/powerpc/platforms/ps3/interrupt.c | 2 arch/powerpc/platforms/ps3/smp.c | 2 arch/powerpc/platforms/pseries/dtl.c | 2 arch/powerpc/platforms/pseries/iommu.c | 2 arch/s390/appldata/appldata_base.c | 2 arch/s390/include/asm/percpu.h | 32 +------ arch/s390/kernel/nmi.c | 2 arch/s390/kernel/smp.c | 2 arch/s390/kernel/time.c | 4 arch/s390/kernel/vtime.c | 2 arch/sh/kernel/timers/timer-broadcast.c | 2 arch/sh/kernel/topology.c | 2 arch/sparc/Kconfig | 3 arch/sparc/kernel/nmi.c | 6 - arch/sparc/kernel/pci_sun4v.c | 2 arch/sparc/kernel/sysfs.c | 4 arch/sparc/kernel/time_64.c | 4 arch/x86/Kconfig | 3 arch/x86/kernel/apic/apic.c | 2 arch/x86/kernel/apic/nmi.c | 8 - arch/x86/kernel/cpu/common.c | 2 arch/x86/kernel/cpu/cpu_debug.c | 10 +- arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c | 4 arch/x86/kernel/cpu/cpufreq/powernow-k8.c | 2 arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c | 4 arch/x86/kernel/cpu/intel_cacheinfo.c | 6 - arch/x86/kernel/cpu/mcheck/mce_64.c | 4 arch/x86/kernel/cpu/mcheck/mce_amd_64.c | 4 arch/x86/kernel/cpu/mcheck/mce_intel_64.c | 2 arch/x86/kernel/cpu/mcheck/therm_throt.c | 4 arch/x86/kernel/cpu/perfctr-watchdog.c | 2 arch/x86/kernel/ds.c | 4 arch/x86/kernel/hpet.c | 2 arch/x86/kernel/irq_32.c | 8 - arch/x86/kernel/kvm.c | 2 arch/x86/kernel/kvmclock.c | 2 arch/x86/kernel/paravirt.c | 2 arch/x86/kernel/process_64.c | 2 arch/x86/kernel/smpboot.c | 2 arch/x86/kernel/tlb_uv.c | 6 - arch/x86/kernel/topology.c | 2 arch/x86/kernel/uv_time.c | 2 arch/x86/kernel/vmiclock_32.c | 2 arch/x86/kvm/svm.c | 2 arch/x86/kvm/vmx.c | 6 - arch/x86/kvm/x86.c | 2 arch/x86/mm/kmmio.c | 2 arch/x86/mm/mmio-mod.c | 4 arch/x86/oprofile/nmi_int.c | 4 arch/x86/xen/enlighten.c | 2 arch/x86/xen/multicalls.c | 2 arch/x86/xen/smp.c | 8 - arch/x86/xen/spinlock.c | 4 arch/x86/xen/time.c | 10 +- block/as-iosched.c | 10 +- block/blk-softirq.c | 2 block/cfq-iosched.c | 10 +- crypto/sha512_generic.c | 2 drivers/acpi/processor_core.c | 2 drivers/acpi/processor_thermal.c | 2 drivers/base/cpu.c | 2 drivers/char/random.c | 2 drivers/connector/cn_proc.c | 2 drivers/cpufreq/cpufreq.c | 8 - drivers/cpufreq/cpufreq_conservative.c | 12 +- drivers/cpufreq/cpufreq_ondemand.c | 15 +-- drivers/cpufreq/cpufreq_stats.c | 2 drivers/cpufreq/cpufreq_userspace.c | 11 +- drivers/cpufreq/freq_table.c | 2 drivers/cpuidle/governors/ladder.c | 2 drivers/cpuidle/governors/menu.c | 2 drivers/crypto/padlock-aes.c | 2 drivers/lguest/page_tables.c | 2 drivers/lguest/x86/core.c | 2 drivers/xen/events.c | 13 +- fs/buffer.c | 4 fs/file.c | 2 fs/namespace.c | 2 include/linux/percpu-defs.h | 10 +- include/linux/percpu.h | 12 ++ init/main.c | 24 ----- kernel/kprobes.c | 2 kernel/lockdep.c | 2 kernel/module.c | 6 - kernel/printk.c | 2 kernel/profile.c | 4 kernel/rcuclassic.c | 4 kernel/rcupdate.c | 2 kernel/rcupreempt.c | 10 +- kernel/rcutorture.c | 4 kernel/sched.c | 30 +++--- kernel/sched_clock.c | 2 kernel/sched_rt.c | 2 kernel/smp.c | 6 - kernel/softirq.c | 6 - kernel/softlockup.c | 6 - kernel/taskstats.c | 4 kernel/time/tick-sched.c | 2 kernel/time/timer_stats.c | 2 kernel/timer.c | 2 kernel/trace/ring_buffer.c | 2 kernel/trace/trace.c | 6 - kernel/trace/trace_hw_branches.c | 4 kernel/trace/trace_irqsoff.c | 2 kernel/trace/trace_stack.c | 2 kernel/trace/trace_sysprof.c | 2 kernel/trace/trace_workqueue.c | 2 lib/radix-tree.c | 2 lib/random32.c | 2 mm/Makefile | 2 mm/allocpercpu.c | 28 ++++++ mm/page-writeback.c | 5 - mm/percpu.c | 40 ++++++++- mm/quicklist.c | 2 mm/slab.c | 4 mm/slub.c | 6 - mm/swap.c | 4 mm/vmalloc.c | 2 mm/vmstat.c | 2 net/core/drop_monitor.c | 2 net/core/flow.c | 6 - net/core/sock.c | 2 net/ipv4/route.c | 2 net/ipv4/syncookies.c | 4 net/ipv6/syncookies.c | 4 net/socket.c | 2 157 files changed, 399 insertions(+), 439 deletions(-) Thanks. -- tejun [L] http://thread.gmane.org/gmane.linux.kernel/839059 [1] http://thread.gmane.org/gmane.linux.kernel/844298 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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