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authorJakub Kicinski <kuba@kernel.org>2026-05-21 15:02:54 -0700
committerJakub Kicinski <kuba@kernel.org>2026-05-28 14:02:21 -0700
commitd44646fc9eeb423ad50f3043f11f66f491d908a7 (patch)
tree18e6b3eda2c313c246ba18b88b4e06b2e18432c2 /lib/debugobjects.c
parent0cf905cb9a12dbfb5d14896729b74508f83f73df (diff)
parent3e20009988e2470063824c58b19d1c80816cc46d (diff)
downloadlinux-d44646fc9eeb423ad50f3043f11f66f491d908a7.tar.gz
linux-d44646fc9eeb423ad50f3043f11f66f491d908a7.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-7.1-rc6). Conflicts: drivers/net/phy/air_en8811h.c d895767c33781 ("net: phy: air_en8811h: add AN8811HB MCU assert/deassert support") dddfadd75197e ("net: phy: Add Airoha phy library for shared code") 5226bb6634cdf ("net: phy: air_phy_lib: Factorize BuckPBus register accessors") e08f0ea6daf2e ("net: phy: Rename Airoha common BuckPBus register accessors") net/sched/sch_netem.c a2f6ed7b4873 ("net/sched: netem: add per-impairment extended statistics") 9552b11e3eda ("net/sched: fix packet loop on netem when duplicate is on") Adjacent changes: drivers/dpll/zl3073x/core.c c1224569cef0 ("dpll: zl3073x: make frequency monitor a per-device attribute") 54e65df8cf18 ("dpll: zl3073x: report FFO as DPLL vs input reference offset") net/iucv/af_iucv.c 347fdd4df85f ("af_iucv: convert to getsockopt_iter") 3589d20a666c ("net/iucv: fix locking in .getsockopt") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'lib/debugobjects.c')
-rw-r--r--lib/debugobjects.c18
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