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| author | Takashi Iwai <tiwai@suse.de> | 2024-12-12 14:49:35 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2024-12-12 14:49:35 +0100 |
| commit | 7b26bc6582b13a52a42a4a9765e8f30d58a81198 (patch) | |
| tree | 80737d9bb4abf42b8e2061a5edacdfbe5ac9b7d6 /lib/stackdepot.c | |
| parent | b2e538a9827dd04ab5273bf4be8eb2edb84357b0 (diff) | |
| parent | 255cc582e6e16191a20d54bcdbca6c91d3e90c5e (diff) | |
| download | linux-7b26bc6582b13a52a42a4a9765e8f30d58a81198.tar.gz linux-7b26bc6582b13a52a42a4a9765e8f30d58a81198.tar.bz2 linux-7b26bc6582b13a52a42a4a9765e8f30d58a81198.zip | |
Merge tag 'asoc-fix-v6.12-rc2' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.13
A small pile of driver specific fixes, all quite small and not
particularly major.
Diffstat (limited to 'lib/stackdepot.c')
| -rw-r--r-- | lib/stackdepot.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/stackdepot.c b/lib/stackdepot.c index 5ed34cc963fc..245d5b416699 100644 --- a/lib/stackdepot.c +++ b/lib/stackdepot.c @@ -630,7 +630,15 @@ depot_stack_handle_t stack_depot_save_flags(unsigned long *entries, prealloc = page_address(page); } - raw_spin_lock_irqsave(&pool_lock, flags); + if (in_nmi()) { + /* We can never allocate in NMI context. */ + WARN_ON_ONCE(can_alloc); + /* Best effort; bail if we fail to take the lock. */ + if (!raw_spin_trylock_irqsave(&pool_lock, flags)) + goto exit; + } else { + raw_spin_lock_irqsave(&pool_lock, flags); + } printk_deferred_enter(); /* Try to find again, to avoid concurrently inserting duplicates. */ |