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| author | Danilo Krummrich <dakr@kernel.org> | 2026-05-28 21:04:24 +0300 |
|---|---|---|
| committer | Danilo Krummrich <dakr@kernel.org> | 2026-05-28 22:48:11 +0300 |
| commit | e2b773fb7b0735aa159491189651d64ab942e229 (patch) | |
| tree | d72e72d3e6a371cf79df3184ec1881f10f35eb71 /lib/debugobjects.c | |
| parent | 2cf1840b0fa7637b6731fd554529f8d57ea34c04 (diff) | |
| parent | bed29492d413349e5b13f21936655064cdb63c91 (diff) | |
| download | linux-e2b773fb7b0735aa159491189651d64ab942e229.tar.xz | |
Merge remote-tracking branch 'drm/drm-next' into drm-rust-next
Backmerge to pull in commit 838d852da850 ("rust: allow
`clippy::collapsible_match` globally"), in order to get rid of spurious
warnings messing with developer tooling.
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Diffstat (limited to 'lib/debugobjects.c')
| -rw-r--r-- | lib/debugobjects.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/lib/debugobjects.c b/lib/debugobjects.c index 12e2e42e6a31..772ddabcbe7d 100644 --- a/lib/debugobjects.c +++ b/lib/debugobjects.c @@ -711,6 +711,15 @@ static struct debug_obj *lookup_object_or_alloc(void *addr, struct debug_bucket return NULL; } +static inline bool debug_objects_is_pi_blocked_on(void) +{ +#ifdef CONFIG_RT_MUTEXES + return current->pi_blocked_on != NULL; +#else + return false; +#endif +} + static void debug_objects_fill_pool(void) { if (!static_branch_likely(&obj_cache_enabled)) @@ -727,11 +736,12 @@ static void debug_objects_fill_pool(void) /* * On RT enabled kernels the pool refill must happen in preemptible - * context -- for !RT kernels we rely on the fact that spinlock_t and - * raw_spinlock_t are basically the same type and this lock-type - * inversion works just fine. + * context and not enqueued on an rt_mutex -- for !RT kernels we rely + * on the fact that spinlock_t and raw_spinlock_t are basically the + * same type and this lock-type inversion works just fine. */ - if (!IS_ENABLED(CONFIG_PREEMPT_RT) || preemptible() || system_state < SYSTEM_SCHEDULING) { + if (!IS_ENABLED(CONFIG_PREEMPT_RT) || system_state < SYSTEM_SCHEDULING || + (preemptible() && !debug_objects_is_pi_blocked_on())) { /* * Annotate away the spinlock_t inside raw_spinlock_t warning * by temporarily raising the wait-type to LD_WAIT_CONFIG, matching |