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dfbbd86a0f
linux/arch/s390/kernel
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Sebastian Andrzej Siewior dfbbd86a0f s390/smp: Convert to hotplug state machine 
cpuhp_setup_state() invokes the startup callback on all online cpus with
the proper protection, so we can remove the cpu hotplug protection from the
init function and the creation of the per cpu files for online cpus in
smp_add_present_cpu(). smp_add_present_cpu() is called also called from
__smp_rescan_cpus(), but this callpath never adds an online cpu, it merily
adds newly present cpus, so the creation of the cpu files is not required.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: linux-s390@vger.kernel.org
Cc: rt@linutronix.de
Link: http://lkml.kernel.org/r/20161104144502.7kd4bxz2rxqvtack@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-11-09 23:45:28 +01:00
..
vdso32 s390: enable UBSAN 2016-09-20 14:26:23 +02:00
vdso64 s390: enable UBSAN 2016-09-20 14:26:23 +02:00
.gitignore s390: add various .gitignore files. 2012-05-16 14:42:41 +02:00
als.c s390/als: print missing facilities on facility mismatch 2016-07-31 05:27:59 -04:00
asm-offsets.c KVM: s390: write external damage code on machine checks 2016-09-08 09:07:52 +02:00
audit.c
audit.h
base.S s390/kdump: fix nosmt kernel parameter 2015-06-25 09:39:26 +02:00
cache.c s390/cpuinfo: show dynamic and static cpu mhz 2016-06-13 15:58:17 +02:00
compat_audit.c
compat_linux.c cred: simpler, 1D supplementary groups 2016-10-07 18:46:30 -07:00
compat_linux.h s390: add support for vector extension 2014-10-09 09:14:13 +02:00
compat_ptrace.h [S390] ptrace cleanup 2011-01-05 12:47:31 +01:00
compat_signal.c s390/compat: correct restore of high gprs on signal return 2016-02-22 09:29:35 +01:00
compat_wrapper.c s390: wire up copy_file_range syscall 2016-01-19 12:14:02 +01:00
cpcmd.c s390: Use pr_warn instead of pr_warning 2016-03-07 13:12:04 +01:00
crash_dump.c s390/crashdump: use list_first_entry_or_null 2016-09-20 14:26:04 +02:00
debug.c s390: Use pr_warn instead of pr_warning 2016-03-07 13:12:04 +01:00
diag.c - ARM: GICv3 ITS emulation and various fixes. Removal of the old 2016-08-02 16:11:27 -04:00
dis.c s390/disassambler: use pr_cont where appropriate 2016-10-17 14:44:32 +02:00
dumpstack.c s390/dumpstack: use pr_cont within show_stack and die 2016-10-24 10:26:14 +02:00
early.c s390: migrate exception table users off module.h and onto extable.h 2016-09-20 14:26:38 +02:00
ebcdic.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
entry.h s390/als: convert architecture level set code to C 2016-07-31 05:27:58 -04:00
entry.S s390: move exports to definitions 2016-08-07 23:47:20 -04:00
fpu.c s390/fpu: improve kernel_fpu_[begin|end] 2016-08-29 11:05:01 +02:00
ftrace.c ftrace: Add return address pointer to ftrace_ret_stack 2016-08-24 12:15:14 +02:00
head64.S s390/cpumf: Fix lpp detection 2016-03-08 10:38:06 +01:00
head_kdump.S s390: remove 31 bit support 2015-03-25 11:49:33 +01:00
head.S s390: clarify compressed image code path 2016-08-08 15:41:31 +02:00
idle.c s390/idle: convert open coded idle time seqcount 2014-12-08 09:42:32 +01:00
ipl.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2016-07-26 12:22:51 -07:00
irq.c s390: use SPARSE_IRQ 2016-06-13 15:58:24 +02:00
jump_label.c Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-09-03 15:46:07 -07:00
kprobes.c s390: migrate exception table users off module.h and onto extable.h 2016-09-20 14:26:38 +02:00
lgr.c s390/sysinfo,stsi: change return code handling 2012-09-26 15:45:12 +02:00
machine_kexec.c s390/kexec: fix crash on resize of reserved memory 2016-06-13 15:58:19 +02:00
Makefile Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild 2016-10-14 14:26:58 -07:00
mcount.S s390: move exports to definitions 2016-08-07 23:47:20 -04:00
module.c module: s390: keep mod_arch_specific for livepatch modules 2016-04-01 15:00:11 +02:00
nmi.c s390/nmi: improve revalidation of fpu / vector registers 2016-08-29 11:05:03 +02:00
os_info.c s390/dump: streamline oldmem copy functions 2015-11-27 09:24:12 +01:00
perf_cpum_cf_events.c s390/cpum_cf: Export event names in sysfs 2013-12-16 14:37:50 +01:00
perf_cpum_cf.c s390/perf: Convert the hotplug notifier to state machine callbacks (Counter) 2016-07-14 09:34:37 +02:00
perf_cpum_sf.c Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-07-29 13:55:30 -07:00
perf_event.c s390/dumpstack: restore reliable indicator for call traces 2016-10-17 14:44:30 +02:00
pgm_check.S s390: remove 31 bit support 2015-03-25 11:49:33 +01:00
process.c exit_thread: accept a task parameter to be exited 2016-05-20 17:58:30 -07:00
processor.c s390/cpuinfo: show maximum thread id 2016-07-04 09:25:20 +02:00
ptrace.c Merge branch 'stable-4.8' of git://git.infradead.org/users/pcmoore/audit 2016-07-29 17:54:17 -07:00
reipl.S s390/dump: rework CPU register dump code 2015-11-27 09:24:14 +01:00
relocate_kernel.S s390: remove "64" suffix from a couple of files 2015-03-25 11:49:34 +01:00
runtime_instr.c s390: remove runtime instrumentation interrupts 2015-11-03 14:40:51 +01:00
sclp.c s390/sclp: move uninitialized data to data section 2016-07-31 05:27:58 -04:00
setup.c treewide: replace config_enabled() with IS_ENABLED() (2nd round) 2016-08-26 17:39:35 -07:00
signal.c s390: remove all usages of PSW_ADDR_AMODE 2016-01-19 12:14:02 +01:00
smp.c s390/smp: Convert to hotplug state machine 2016-11-09 23:45:28 +01:00
stacktrace.c s390/dumpstack: restore reliable indicator for call traces 2016-10-17 14:44:30 +02:00
suspend.c PCI: Include <linux/pci.h>, not <asm/pci.h> 2015-06-08 07:55:03 -05:00
swsusp.S s390/hibernate: fix save and restore of vector registers 2015-09-17 13:43:41 +02:00
sys_s390.c s390: remove 31 bit support 2015-03-25 11:49:33 +01:00
syscalls.S s390: wire up preadv2/pwritev2 syscalls 2016-04-01 08:42:38 +02:00
sysinfo.c s390/fpu: improve kernel_fpu_[begin|end] 2016-08-29 11:05:01 +02:00
time.c s390/time: avoid races when updating tb_update_count 2016-08-29 11:04:58 +02:00
topology.c s390/topology: remove z10 special handling 2016-06-13 15:58:27 +02:00
trace.c s390/diag: avoid lockdep recursion 2016-02-11 13:05:56 +01:00
traps.c s390: migrate exception table users off module.h and onto extable.h 2016-09-20 14:26:38 +02:00
uprobes.c s390/uprobes: fix address space annotation 2015-03-25 11:49:47 +01:00
vdso.c vdso: make arch_setup_additional_pages wait for mmap_sem for write killable 2016-05-23 17:04:14 -07:00
vmlinux.lds.S nmi_backtrace: generate one-line reports for idle cpus 2016-10-07 18:46:30 -07:00
vtime.c s390: add missing declarations 2016-05-10 13:24:51 +02:00