Thomas Gleixner 321a874a7e sched/smt: Expose sched_smt_present static key ...

Make the scheduler's 'sched_smt_present' static key globaly available, so
it can be used in the x86 speculation control code.

Provide a query function and a stub for the CONFIG_SMP=n case.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: David Woodhouse <dwmw@amazon.co.uk>
Cc: Tim Chen <tim.c.chen@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Casey Schaufler <casey.schaufler@intel.com>
Cc: Asit Mallick <asit.k.mallick@intel.com>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Jon Masters <jcm@redhat.com>
Cc: Waiman Long <longman9394@gmail.com>
Cc: Greg KH <gregkh@linuxfoundation.org>
Cc: Dave Stewart <david.c.stewart@intel.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20181125185004.430168326@linutronix.de

2018-11-28 11:57:07 +01:00

..

autogroup.c

sched/autogroup: Fix possible Spectre-v1 indexing for sched_prio_to_weight[]

2018-05-05 08:34:42 +02:00

autogroup.h

sched/headers: Simplify and clean up header usage in the scheduler

2018-03-04 12:39:29 +01:00

clock.c

sched/clock: Disable interrupts when calling generic_sched_clock_init()

2018-07-30 19:33:35 +02:00

completion.c

sched/Documentation: Update wake_up() & co. memory-barrier guarantees

2018-07-17 09:30:34 +02:00

core.c

sched/smt: Make sched_smt_present track topology

2018-11-28 11:57:06 +01:00

cpuacct.c

sched/headers: Simplify and clean up header usage in the scheduler

2018-03-04 12:39:29 +01:00

cpudeadline.c

sched/headers: Simplify and clean up header usage in the scheduler

2018-03-04 12:39:29 +01:00

cpudeadline.h

sched/headers: Simplify and clean up header usage in the scheduler

2018-03-04 12:39:29 +01:00

cpufreq_schedutil.c

sched/fair: Remove #ifdefs from scale_rt_capacity()

2018-07-25 11:41:05 +02:00

cpufreq.c

sched/headers: Simplify and clean up header usage in the scheduler

2018-03-04 12:39:29 +01:00

cpupri.c

sched/headers: Simplify and clean up header usage in the scheduler

2018-03-04 12:39:29 +01:00

cpupri.h

sched/headers: Simplify and clean up header usage in the scheduler

2018-03-04 12:39:29 +01:00

cputime.c

sched/headers: Simplify and clean up header usage in the scheduler

2018-03-04 12:39:29 +01:00

deadline.c

sched/numa: Pass destination CPU as a parameter to migrate_task_rq

2018-10-02 09:42:21 +02:00

debug.c

sched/debug: Fix potential deadlock when writing to sched_features

2018-09-10 10:13:45 +02:00

fair.c

sched/fair: Fix cpu_util_wake() for 'execl' type workloads

2018-11-12 05:00:46 +01:00

features.h

sched/fair: Disable LB_BIAS by default

2018-10-02 09:45:01 +02:00

idle.c

x86/stackprotector: Remove the call to boot_init_stack_canary() from cpu_startup_entry()

2018-10-22 04:07:24 +02:00

isolation.c

sched/headers: Simplify and clean up header usage in the scheduler

2018-03-04 12:39:29 +01:00

loadavg.c

sched: loadavg: make calc_load_n() public

2018-10-26 16:26:32 -07:00

Makefile

psi: pressure stall information for CPU, memory, and IO

2018-10-26 16:26:32 -07:00

membarrier.c

sched/headers: Simplify and clean up header usage in the scheduler

2018-03-04 12:39:29 +01:00

pelt.c

sched/fair: Remove setting task's se->runnable_weight during PELT update

2018-10-02 09:45:03 +02:00

pelt.h

sched/pelt: Fix warning and clean up IRQ PELT config

2018-10-02 09:45:00 +02:00

psi.c

kernel/sched/psi.c: simplify cgroup_move_task()

2018-11-18 10:15:09 -08:00

rt.c

sched/rt: Update comment in pick_next_task_rt()

2018-10-29 07:18:04 +01:00

sched-pelt.h

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

sched.h

sched/smt: Expose sched_smt_present static key

2018-11-28 11:57:07 +01:00

stats.c

proc: introduce proc_create_seq{,_data}

2018-05-16 07:23:35 +02:00

stats.h

psi: pressure stall information for CPU, memory, and IO

2018-10-26 16:26:32 -07:00

stop_task.c

sched: Clean up and harmonize the coding style of the scheduler code base

2018-03-03 15:50:21 +01:00

swait.c

sched/swait: Rename to exclusive

2018-06-20 11:35:56 +02:00

topology.c

sched/topology: Fix off by one bug

2018-11-04 00:40:03 +01:00

wait_bit.c

sched/wait: Improve __var_waitqueue() code generation

2018-03-20 08:23:25 +01:00

wait.c

sched/wait: assert the wait_queue_head lock is held in __wake_up_common

2018-08-22 10:52:47 -07:00