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| author | Hans de Goede <hdegoede@redhat.com> | 2024-09-05 16:51:58 +0200 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2024-09-05 16:57:36 +0200 |
| commit | 56d8b784c56588cd40f98e4b1d4f6e29e3cb02b8 (patch) | |
| tree | 5edd10e48440fcbb5a76bbb9b78dc1706b3d5cec /kernel/dma/debug.c | |
| parent | 3a1fb526c2482b2f61c9813e9e14fcdab4ffa390 (diff) | |
| parent | a54da9df75cd1b4b5028f6c60f9a211532680585 (diff) | |
Merge tag 'hwmon-for-v6.11-rc7' into review-hans
Merge "hwmon fixes for v6.11-rc7" into review-hans to bring in
commit a54da9df75cd ("hwmon: (hp-wmi-sensors) Check if WMI event
data exists").
This is a dependency for a set of WMI event data refactoring changes.
Diffstat (limited to 'kernel/dma/debug.c')
| -rw-r--r-- | kernel/dma/debug.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/dma/debug.c b/kernel/dma/debug.c index a6e3792b15f8..d570535342cb 100644 --- a/kernel/dma/debug.c +++ b/kernel/dma/debug.c @@ -416,8 +416,11 @@ static unsigned long long phys_addr(struct dma_debug_entry *entry) * dma_active_cacheline entry to track per event. dma_map_sg(), on the * other hand, consumes a single dma_debug_entry, but inserts 'nents' * entries into the tree. + * + * Use __GFP_NOWARN because the printk from an OOM, to netconsole, could end + * up right back in the DMA debugging code, leading to a deadlock. */ -static RADIX_TREE(dma_active_cacheline, GFP_ATOMIC); +static RADIX_TREE(dma_active_cacheline, GFP_ATOMIC | __GFP_NOWARN); static DEFINE_SPINLOCK(radix_lock); #define ACTIVE_CACHELINE_MAX_OVERLAP ((1 << RADIX_TREE_MAX_TAGS) - 1) #define CACHELINE_PER_PAGE_SHIFT (PAGE_SHIFT - L1_CACHE_SHIFT) |