Martin Schwidefsky 249c543b97 s390/vdso: optimize getcpu system call ...

Add the CPU number to the per-cpu vdso data page and add the
__kernel_getcpu function to the vdso object to retrieve the
CPU number in user space.

Suggested-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

2016-01-11 13:01:24 +01:00

..

vdso32

s390/vdso: optimize getcpu system call

2016-01-11 13:01:24 +01:00

vdso64

s390/vdso: optimize getcpu system call

2016-01-11 13:01:24 +01:00

.gitignore

s390: add various .gitignore files.

2012-05-16 14:42:41 +02:00

asm-offsets.c

s390/vdso: optimize getcpu system call

2016-01-11 13:01:24 +01:00

audit.c

…

audit.h

…

base.S

s390/kdump: fix nosmt kernel parameter

2015-06-25 09:39:26 +02:00

cache.c

s390/cachinfo: add missing facility check to init_cache_level()

2015-07-28 08:54:42 +02:00

compat_audit.c

…

compat_linux.c

groups: Consolidate the setgroups permission checks

2014-12-05 17:19:27 -06:00

compat_linux.h

s390: add support for vector extension

2014-10-09 09:14:13 +02:00

compat_ptrace.h

…

compat_signal.c

s390/fpu: always enable the vector facility if it is available

2015-10-14 14:32:08 +02:00

compat_wrapper.c

s390: wire up mlock2 system call

2015-11-16 12:51:07 +01:00

cpcmd.c

s390/diag: add a statistic for diagnose calls

2015-10-14 14:32:06 +02:00

crash_dump.c

s390: rename struct _lowcore to struct lowcore

2016-01-11 12:27:15 +01:00

debug.c

s390: time: Provide read_boot_clock64() and read_persistent_clock64()

2015-05-22 10:36:29 -07:00

diag.c

s390/diag: add a s390 prefix to the diagnose trace point

2015-11-09 09:10:47 +01:00

dis.c

s390/dis: Fix printing of the register numbers

2015-11-27 09:24:16 +01:00

dumpstack.c

s390: remove 31 bit support

2015-03-25 11:49:33 +01:00

early.c

s390/dump: rework CPU register dump code

2015-11-27 09:24:14 +01:00

ebcdic.c

s390/comments: unify copyright messages and remove file names

2012-07-20 11:15:04 +02:00

entry.h

s390/udelay: make udelay have busy loop semantics

2015-10-14 14:32:13 +02:00

entry.S

s390/spinlock: do not yield to a CPU in udelay/mdelay

2015-11-27 09:24:18 +01:00

ftrace.c

s390/maccess: remove potentially broken probe_kernel_write()

2015-03-25 11:49:43 +01:00

head64.S

s390/facilities: always use lowcore's stfle field for storing facility bits

2015-12-18 14:59:19 +01:00

head_kdump.S

s390: remove 31 bit support

2015-03-25 11:49:33 +01:00

head.S

s390/facilities: make use of generated facility list

2015-12-18 14:59:21 +01:00

idle.c

s390/idle: convert open coded idle time seqcount

2014-12-08 09:42:32 +01:00

ipl.c

s390: rename struct _lowcore to struct lowcore

2016-01-11 12:27:15 +01:00

irq.c

s390: remove runtime instrumentation interrupts

2015-11-03 14:40:51 +01:00

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/maccess: remove potentially broken probe_kernel_write()

2015-03-25 11:49:43 +01:00

lgr.c

s390/sysinfo,stsi: change return code handling

2012-09-26 15:45:12 +02:00

machine_kexec.c

s390/dump: rework CPU register dump code

2015-11-27 09:24:14 +01:00

Makefile

s390: get rid of CONFIG_SCHED_MC and CONFIG_SCHED_BOOK

2015-12-30 10:34:57 +01:00

mcount.S

s390/ftrace: hotpatch support for function tracing

2015-01-29 09:19:25 +01:00

module.c

s390: remove 31 bit support

2015-03-25 11:49:33 +01:00

nmi.c

s390/nmi: reduce size of percpu variable

2015-10-27 09:33:57 +01:00

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

Merge branch 'linus' into perf/core, to pick up fixes before applying new changes

2015-09-28 08:06:57 +02:00

perf_cpum_sf.c

s390/cpumf: rework program parameter setting to detect guest samples

2015-10-14 14:32:12 +02:00

perf_event.c

s390/perf: make print_debug_cf() static

2014-03-14 12:59:32 +01:00

pgm_check.S

s390: remove 31 bit support

2015-03-25 11:49:33 +01:00

process.c

s390: avoid cache aliasing under z/VM and KVM

2015-11-16 12:04:18 +01:00

processor.c

s390/diag: add a statistic for diagnose calls

2015-10-14 14:32:06 +02:00

ptrace.c

s390/kernel: fix ptrace peek/poke for floating point registers

2015-11-03 14:40:42 +01:00

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

s390_ksyms.c

s390/fpu: split fpu-internal.h into fpu internals, api, and type headers

2015-10-16 09:41:12 +02:00

sclp.c

s390/sclp: Add VT220 support to early sclp console

2015-11-27 09:24:17 +01:00

setup.c

s390: rename struct _lowcore to struct lowcore

2016-01-11 12:27:15 +01:00

signal.c

s390/fpu: always enable the vector facility if it is available

2015-10-14 14:32:08 +02:00

smp.c

s390: rename struct _lowcore to struct lowcore

2016-01-11 12:27:15 +01:00

stacktrace.c

s390/comments: unify copyright messages and remove file names

2012-07-20 11:15:04 +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 mlock2 system call

2015-11-16 12:51:07 +01:00

sysinfo.c

s390/sysinfo: add missing SYSIB 1.2.2 multithreading fields

2016-01-11 12:27:00 +01:00

time.c

s390/etr,stp: fix possible deadlock on machine check

2015-10-14 14:32:18 +02:00

topology.c

s390/topology: reduce per_cpu() invocations

2015-10-27 09:34:39 +01:00

trace.c

s390/diag: add a s390 prefix to the diagnose trace point

2015-11-09 09:10:47 +01:00

traps.c

s390/traps: Remove unused variable

2015-12-18 14:59:27 +01:00

uprobes.c

s390/uprobes: fix address space annotation

2015-03-25 11:49:47 +01:00

vdso.c

s390/vdso: optimize getcpu system call

2016-01-11 13:01:24 +01:00

vmlinux.lds.S

s390: remove 31 bit support

2015-03-25 11:49:33 +01:00

vtime.c

s390/vtime: correct scaled cputime of partially idle CPUs

2015-09-30 16:22:38 +02:00