diff options
| author | Simona Vetter <simona.vetter@ffwll.ch> | 2026-05-28 10:56:06 +0300 |
|---|---|---|
| committer | Simona Vetter <simona.vetter@ffwll.ch> | 2026-05-28 10:58:36 +0300 |
| commit | bed29492d413349e5b13f21936655064cdb63c91 (patch) | |
| tree | 2fc3af35896e84d868f7945e98f7bfc3d6a72246 /lib/debugobjects.c | |
| parent | 3470274dca4887e2b56684bd6a482097318d95a5 (diff) | |
| parent | e7ae89a0c97ce2b68b0983cd01eda67cf373517d (diff) | |
| download | linux-bed29492d413349e5b13f21936655064cdb63c91.tar.xz | |
Merge v7.1-rc5 into drm-next
Boris Brezillion needs the gem lru fixes 379e8f1ca5e9 ("drm/gem: Make
the GEM LRU lock part of drm_device") backmerged for drm-misc-next.
That also means we need to sort out the rename conflict in panthor with
the fixup patch from Boris from drm-tip.
Signed-off-by: Simona Vetter <simona.vetter@ffwll.ch>
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 |