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authorLinus Torvalds <torvalds@linux-foundation.org>2022-03-22 13:44:21 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-03-22 13:44:21 -0700
commitebd326ce724d5b2e5274724e6d6a46a046e28203 (patch)
tree9b043ea94d5afc02d08f19de5672b7a0a6f55882 /init
parent95ab0e87683edb6766e4992725aac13aca788ec6 (diff)
parentcd27ccfc727e99352321c0c75012ab9c5a90321e (diff)
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Merge tag 'locking-core-2022-03-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar: "Changes in this cycle were: Bitops & cpumask: - Always inline various generic helpers, to improve code generation, but also for instrumentation, found by noinstr validation. - Add a x86-specific cpumask_clear_cpu() helper to improve code generation Atomics: - Fix atomic64_{read_acquire,set_release} fallbacks Lockdep: - Fix /proc/lockdep output loop iteration for classes - Fix /proc/lockdep potential access to invalid memory - Add Mark Rutland as reviewer for atomic primitives - Minor cleanups Jump labels: - Clean up the code a bit Misc: - Add __sched annotations to percpu rwsem primitives - Enable RT_MUTEXES on PREEMPT_RT by default - Stray v8086_mode() inlining fix, result of noinstr objtool validation" * tag 'locking-core-2022-03-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: jump_label: Refactor #ifdef of struct static_key jump_label: Avoid unneeded casts in STATIC_KEY_INIT_{TRUE,FALSE} locking/lockdep: Iterate lock_classes directly when reading lockdep files x86/ptrace: Always inline v8086_mode() for instrumentation cpumask: Add a x86-specific cpumask_clear_cpu() helper locking: Enable RT_MUTEXES by default on PREEMPT_RT. locking/local_lock: Make the empty local_lock_*() function a macro. atomics: Fix atomic64_{read_acquire,set_release} fallbacks locking: Add missing __sched attributes cpumask: Always inline helpers which use bit manipulation functions asm-generic/bitops: Always inline all bit manipulation helpers locking/lockdep: Avoid potential access of invalid memory in lock_class lockdep: Use memset_startat() helper in reinit_class() MAINTAINERS: add myself as reviewer for atomics
Diffstat (limited to 'init')
-rw-r--r--init/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig
index e9119bf54b1f..beb5b866c318 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -2054,6 +2054,7 @@ source "arch/Kconfig"
config RT_MUTEXES
bool
+ default y if PREEMPT_RT
config BASE_SMALL
int