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author | Thomas Gleixner <tglx@linutronix.de> | 2018-11-25 19:33:38 +0100 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2018-11-28 11:57:07 +0100 |
commit | 321a874a7ef85655e93b3206d0f36b4a6097f948 (patch) | |
tree | cc6382ca7c2395ea0080fdeab5902e291dc8f989 /kernel/cpu.c | |
parent | dbe733642e01dd108f71436aaea7b328cb28fd87 (diff) | |
download | linux-321a874a7ef85655e93b3206d0f36b4a6097f948.tar.bz2 |
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
Diffstat (limited to 'kernel/cpu.c')
0 files changed, 0 insertions, 0 deletions