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msm-4.14/kernel
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Peter Zijlstra 35af99e646 sched/clock, x86: Use a static_key for sched_clock_stable 
In order to avoid the runtime condition and variable load turn
sched_clock_stable into a static_key.

Also provide a shorter implementation of local_clock() and
cpu_clock(int) when sched_clock_stable==1.

                        MAINLINE   PRE       POST

    sched_clock_stable: 1          1         1
    (cold) sched_clock: 329841     221876    215295
    (cold) local_clock: 301773     234692    220773
    (warm) sched_clock: 38375      25602     25659
    (warm) local_clock: 100371     33265     27242
    (warm) rdtsc:       27340      24214     24208
    sched_clock_stable: 0          0         0
    (cold) sched_clock: 382634     235941    237019
    (cold) local_clock: 396890     297017    294819
    (warm) sched_clock: 38194      25233     25609
    (warm) local_clock: 143452     71234     71232
    (warm) rdtsc:       27345      24245     24243

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/n/tip-eummbdechzz37mwmpags1gjr@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-01-13 15:13:13 +01:00
..
cpu
sched: Add NEED_RESCHED to the preempt_count
2013-09-25 14:07:49 +02:00
debug
kdb: Add support for external NMI handler to call KGDB/KDB
2013-10-03 18:47:54 +02:00
events
perf: Disable all pmus on unthrottling and rescheduling
2013-12-17 15:04:00 +01:00
gcov
gcov: reuse kbasename helper
2013-11-13 12:09:34 +09:00
irq
Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2013-12-02 10:15:39 -08:00
locking
sched/deadline: Add SCHED_DEADLINE inheritance logic
2014-01-13 13:42:56 +01:00
power
PM / sleep: Fix memory leak in pm_vt_switch_unregister().
2013-12-22 00:56:35 +01:00
printk
printk.c: comments should refer to /proc/vmcore instead of /proc/vmcoreinfo
2013-11-13 12:09:14 +09:00
rcu
NOHZ: Check for nohz active instead of nohz enabled
2013-11-19 14:59:50 +01:00
sched
sched/clock, x86: Use a static_key for sched_clock_stable
2014-01-13 15:13:13 +01:00
time
sched/clock, x86: Use a static_key for sched_clock_stable
2014-01-13 15:13:13 +01:00
trace
sched/clock, x86: Use a static_key for sched_clock_stable
2014-01-13 15:13:13 +01:00
.gitignore
Ignore generated file kernel/x509_certificate_list
2013-12-10 18:21:34 +00:00
acct.c
…
async.c
…
audit_tree.c
…
audit_watch.c
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audit.c
Merge git://git.infradead.org/users/eparis/audit
2013-11-21 19:18:14 -08:00
audit.h
audit: call audit_bprm() only once to add AUDIT_EXECVE information
2013-11-05 11:15:03 -05:00
auditfilter.c
audit: do not reject all AUDIT_INODE filter types
2013-11-05 11:09:16 -05:00
auditsc.c
audit: fix type of sessionid in audit_set_loginuid()
2013-11-06 11:47:24 -05:00
backtracetest.c
…
bounds.c
mm: do not allocate page->ptl dynamically, if spinlock_t fits to long
2013-12-20 12:25:45 -08:00
capability.c
xfs: update for v3.12-rc1
2013-09-09 11:19:09 -07:00
cgroup_freezer.c
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cgroup.c
cgroup: don't recycle cgroup id until all csses' have been destroyed
2013-12-17 08:11:52 -05:00
compat.c
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configs.c
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context_tracking.c
Linux 3.12-rc4
2013-10-09 12:36:13 +02:00
cpu_pm.c
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cpu.c
Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2013-11-14 16:55:11 +09:00
cpuset.c
cpuset: Fix memory allocator deadlock
2013-11-27 13:52:47 -05:00
crash_dump.c
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cred.c
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delayacct.c
kernel/delayacct.c: remove redundant checking in __delayacct_add_tsk()
2013-11-13 12:09:12 +09:00
dma.c
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elfcore.c
switch elf_core_write_extra_phdrs() to dump_emit()
2013-11-09 00:16:23 -05:00
exec_domain.c
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exit.c
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extable.c
kernel/extable: fix address-checks for core_kernel and init areas
2013-11-28 09:49:41 -08:00
fork.c
sched/deadline: Add SCHED_DEADLINE inheritance logic
2014-01-13 13:42:56 +01:00
freezer.c
libata, freezer: avoid block device removal while system is frozen
2013-12-19 13:50:32 -05:00
futex_compat.c
…
futex.c
rtmutex: Turn the plist into an rb-tree
2014-01-13 13:41:50 +01:00
groups.c
userns: Kill nsown_capable it makes the wrong thing easy
2013-08-30 23:44:11 -07:00
hrtimer.c
sched/deadline: Add SCHED_DEADLINE structures & implementation
2014-01-13 13:41:06 +01:00
hung_task.c
Here are the 3.13 KVM changes. There was a lot of work on the PPC
2013-11-15 13:51:36 +09:00
irq_work.c
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itimer.c
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jump_label.c
static_key: WARN on usage before jump_label_init was called
2013-10-19 19:45:35 -04:00
kallsyms.c
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kcmp.c
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Kconfig.freezer
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Kconfig.hz
kernel: remove CONFIG_USE_GENERIC_SMP_HELPERS
2013-11-15 09:32:22 +09:00
Kconfig.locks
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Kconfig.preempt
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kexec.c
kexec: migrate to reboot cpu
2013-12-18 19:04:50 -08:00
kmod.c
kernel/kmod.c: check for NULL in call_usermodehelper_exec()
2013-09-30 14:31:02 -07:00
kprobes.c
kprobes: use KSYM_NAME_LEN to size identifier buffers
2013-11-13 12:09:26 +09:00
ksysfs.c
kernel: replace strict_strto*() with kstrto*()
2013-09-12 15:38:03 -07:00
kthread.c
kthread: make kthread_create() killable
2013-11-13 12:08:59 +09:00
latencytop.c
…
Makefile
KEYS: Remove files generated when SYSTEM_TRUSTED_KEYRING=y
2013-12-13 15:59:11 +00:00
module_signing.c
keys: change asymmetric keys to use common hash definitions
2013-10-25 17:15:18 -04:00
module-internal.h
KEYS: Separate the kernel signature checking keyring from module signing
2013-09-25 17:17:01 +01:00
module.c
Mainly boring here, too. rmmod --wait finally removed, though.
2013-11-15 13:27:50 +09:00
notifier.c
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nsproxy.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2013-09-07 14:35:32 -07:00
padata.c
padata: make the sequence counter an atomic_t
2013-10-30 12:02:58 +08:00
panic.c
kernel/panic.c: reduce 1 byte usage for print tainted buffer
2013-11-13 12:09:35 +09:00
params.c
kernel/params: fix handling of signed integer types
2013-09-28 12:35:52 -07:00
pid_namespace.c
pid_namespace: make freeing struct pid_namespace rcu-delayed
2013-10-24 23:43:29 -04:00
pid.c
pidns: fix free_pid() to handle the first fork failure
2013-09-30 14:31:03 -07:00
posix-cpu-timers.c
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posix-timers.c
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profile.c
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ptrace.c
exec/ptrace: fix get_dumpable() incorrect tests
2013-11-13 12:09:33 +09:00
range.c
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reboot.c
kexec: migrate to reboot cpu
2013-12-18 19:04:50 -08:00
relay.c
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res_counter.c
memcg: reduce function dereference
2013-09-12 15:38:02 -07:00
resource.c
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seccomp.c
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signal.c
constify copy_siginfo_to_user{,32}()
2013-11-09 00:16:29 -05:00
smp.c
kernel: fix generic_exec_single indentation
2013-11-15 09:32:22 +09:00
smpboot.c
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smpboot.h
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softirq.c
locking: Optimize lock_bh functions
2014-01-13 13:47:36 +01:00
stacktrace.c
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stop_machine.c
stop_machine: Fix race between stop_two_cpus() and stop_cpus()
2013-11-11 12:43:38 +01:00
sys_ni.c
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sys.c
kernel/sys.c: remove obsolete #include <linux/kexec.h>
2013-11-13 12:09:13 +09:00
sysctl_binary.c
kernel/sysctl_binary.c: use scnprintf() instead of snprintf()
2013-11-13 12:09:33 +09:00
sysctl.c
sched/deadline: Remove the sysctl_sched_dl knobs
2014-01-13 13:47:23 +01:00
system_certificates.S
KEYS: correct alignment of system_certificate_list content in assembly file
2013-12-10 18:25:28 +00:00
system_keyring.c
KEYS: correct alignment of system_certificate_list content in assembly file
2013-12-10 18:25:28 +00:00
task_work.c
task_work: documentation
2013-09-11 15:58:27 -07:00
taskstats.c
genetlink: only pass array to genl_register_family_with_ops()
2013-11-19 16:39:05 -05:00
test_kprobes.c
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time.c
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timeconst.bc
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timer.c
timer: Convert kmalloc_node(...GFP_ZERO...) to kzalloc_node(...)
2013-11-19 14:59:50 +01:00
tracepoint.c
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tsacct.c
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uid16.c
userns: Kill nsown_capable it makes the wrong thing easy
2013-08-30 23:44:11 -07:00
up.c
kernel: provide a __smp_call_function_single stub for !CONFIG_SMP
2013-11-15 09:32:22 +09:00
user_namespace.c
KEYS: Add per-user_namespace registers for persistent per-UID kerberos caches
2013-09-24 10:35:19 +01:00
user-return-notifier.c
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user.c
KEYS: fix uninitialized persistent_keyring_register_sem
2013-12-13 15:59:11 +00:00
utsname_sysctl.c
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utsname.c
userns: Kill nsown_capable it makes the wrong thing easy
2013-08-30 23:44:11 -07:00
watchdog.c
watchdog: update watchdog_thresh properly
2013-09-24 17:00:25 -07:00
workqueue_internal.h
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workqueue.c
PCI updates for v3.13:
2013-12-15 11:45:27 -08:00