diff options
| author | Michal Koutný <mkoutny@suse.com> | 2025-03-10 20:04:36 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2025-04-08 21:55:53 +0300 |
| commit | e34e0131fea1b0f63c2105a1958c94af2ee90f4d (patch) | |
| tree | 4fa9cdf6052340a717e6e991aa86023d47ac0036 /kernel/sched/sched.h | |
| parent | a5a25b32c08a31c03258ec4960bec26caaf76e9a (diff) | |
| download | linux-e34e0131fea1b0f63c2105a1958c94af2ee90f4d.tar.xz | |
sched: Add commadline option for RT_GROUP_SCHED toggling
Only simple implementation with a static key wrapper, it will be wired
in later.
Signed-off-by: Michal Koutný <mkoutny@suse.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20250310170442.504716-5-mkoutny@suse.com
Diffstat (limited to 'kernel/sched/sched.h')
| -rw-r--r-- | kernel/sched/sched.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index c006348102d9..d1e591f91cf8 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -1500,6 +1500,23 @@ static inline bool sched_group_cookie_match(struct rq *rq, } #endif /* !CONFIG_SCHED_CORE */ +#ifdef CONFIG_RT_GROUP_SCHED +# ifdef CONFIG_RT_GROUP_SCHED_DEFAULT_DISABLED +DECLARE_STATIC_KEY_FALSE(rt_group_sched); +static inline bool rt_group_sched_enabled(void) +{ + return static_branch_unlikely(&rt_group_sched); +} +# else +DECLARE_STATIC_KEY_TRUE(rt_group_sched); +static inline bool rt_group_sched_enabled(void) +{ + return static_branch_likely(&rt_group_sched); +} +# endif /* CONFIG_RT_GROUP_SCHED_DEFAULT_DISABLED */ +#else +# define rt_group_sched_enabled() false +#endif /* CONFIG_RT_GROUP_SCHED */ static inline void lockdep_assert_rq_held(struct rq *rq) { |