diff options
| author | Tejun Heo <tj@kernel.org> | 2010-01-05 09:17:33 +0900 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2010-01-05 09:17:33 +0900 |
| commit | 32032df6c2f6c9c6b2ada2ce42322231824f70c2 (patch) | |
| tree | b1ce838a37044bb38dfc128e2116ca35630e629a /lib/dma-debug.c | |
| parent | 22b737f4c75197372d64afc6ed1bccd58c00e549 (diff) | |
| parent | c5974b835a909ff15c3b7e6cf6789b5eb919f419 (diff) | |
Merge branch 'master' into percpu
Conflicts:
arch/powerpc/platforms/pseries/hvCall.S
include/linux/percpu.h
Diffstat (limited to 'lib/dma-debug.c')
| -rw-r--r-- | lib/dma-debug.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/lib/dma-debug.c b/lib/dma-debug.c index 58a9f9fc609..cf906201aec 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c @@ -259,7 +259,7 @@ static struct dma_debug_entry *hash_bucket_find(struct hash_bucket *bucket, * times. Without a hardware IOMMU this results in the * same device addresses being put into the dma-debug * hash multiple times too. This can result in false - * positives being reported. Therfore we implement a + * positives being reported. Therefore we implement a * best-fit algorithm here which returns the entry from * the hash which fits best to the reference value * instead of the first-fit. @@ -670,12 +670,13 @@ static int device_dma_allocations(struct device *dev) return count; } -static int dma_debug_device_change(struct notifier_block *nb, - unsigned long action, void *data) +static int dma_debug_device_change(struct notifier_block *nb, unsigned long action, void *data) { struct device *dev = data; int count; + if (global_disable) + return 0; switch (action) { case BUS_NOTIFY_UNBOUND_DRIVER: @@ -697,6 +698,9 @@ void dma_debug_add_bus(struct bus_type *bus) { struct notifier_block *nb; + if (global_disable) + return; + nb = kzalloc(sizeof(struct notifier_block), GFP_KERNEL); if (nb == NULL) { pr_err("dma_debug_add_bus: out of memory\n"); @@ -819,9 +823,11 @@ static void check_unmap(struct dma_debug_entry *ref) err_printk(ref->dev, entry, "DMA-API: device driver frees " "DMA memory with different CPU address " "[device address=0x%016llx] [size=%llu bytes] " - "[cpu alloc address=%p] [cpu free address=%p]", + "[cpu alloc address=0x%016llx] " + "[cpu free address=0x%016llx]", ref->dev_addr, ref->size, - (void *)entry->paddr, (void *)ref->paddr); + (unsigned long long)entry->paddr, + (unsigned long long)ref->paddr); } if (ref->sg_call_ents && ref->type == dma_debug_sg && |