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authorDmitry Torokhov <[email protected]>2022-08-02 10:06:12 -0700
committerDmitry Torokhov <[email protected]>2022-08-02 10:06:12 -0700
commit8bb5e7f4dcd9b9ef22a3ea25c9066a8a968f12dd (patch)
tree0f1383880607a227142f9388a066959926233ff1 /kernel/dma/debug.c
parent2a96271fb66c499e4a89d76a89d3d01170c10bef (diff)
parent7c744d00990ea999d27f306f6db5ccb61b1304b2 (diff)
Merge branch 'next' into for-linus
Prepare input updates for 5.20 (or 6.0) merge window.
Diffstat (limited to 'kernel/dma/debug.c')
-rw-r--r--kernel/dma/debug.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/dma/debug.c b/kernel/dma/debug.c
index 7a14ca29c377..2caafd13f8aa 100644
--- a/kernel/dma/debug.c
+++ b/kernel/dma/debug.c
@@ -448,7 +448,7 @@ void debug_dma_dump_mappings(struct device *dev)
* other hand, consumes a single dma_debug_entry, but inserts 'nents'
* entries into the tree.
*/
-static RADIX_TREE(dma_active_cacheline, GFP_NOWAIT);
+static RADIX_TREE(dma_active_cacheline, GFP_ATOMIC);
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)
@@ -564,7 +564,7 @@ static void add_dma_entry(struct dma_debug_entry *entry, unsigned long attrs)
rc = active_cacheline_insert(entry);
if (rc == -ENOMEM) {
- pr_err("cacheline tracking ENOMEM, dma-debug disabled\n");
+ pr_err_once("cacheline tracking ENOMEM, dma-debug disabled\n");
global_disable = true;
} else if (rc == -EEXIST && !(attrs & DMA_ATTR_SKIP_CPU_SYNC)) {
err_printk(entry->dev, entry,
@@ -927,7 +927,7 @@ static __init int dma_debug_cmdline(char *str)
global_disable = true;
}
- return 0;
+ return 1;
}
static __init int dma_debug_entries_cmdline(char *str)
@@ -936,7 +936,7 @@ static __init int dma_debug_entries_cmdline(char *str)
return -EINVAL;
if (!get_option(&str, &nr_prealloc_entries))
nr_prealloc_entries = PREALLOC_DMA_DEBUG_ENTRIES;
- return 0;
+ return 1;
}
__setup("dma_debug=", dma_debug_cmdline);