diff options
| author |   Thomas Gleixner <tglx@linutronix.de> | 2015-12-19 11:49:13 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-12-19 11:49:13 +0100 |
| commit | 0fa85119cd480c1ded7a81ed64f723fe16a15355 (patch) | |
| tree | 8648434601c5112a1d9ab091ab11507fe88e0962 /lib/dma-debug.c | |
| parent | x86/paravirt: Remove paravirt ops pmd_update[_defer] and pte_update_defer (diff) | |
| parent | Merge tag 'pm+acpi-4.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm (diff) | |
| download | wireguard-linux-0fa85119cd480c1ded7a81ed64f723fe16a15355.tar.xz wireguard-linux-0fa85119cd480c1ded7a81ed64f723fe16a15355.zip | |
Merge branch 'linus' into x86/cleanups
Pull in upstream changes so we can apply depending patches.
Diffstat (limited to 'lib/dma-debug.c')
| -rw-r--r-- | lib/dma-debug.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/lib/dma-debug.c b/lib/dma-debug.c index dace71fe41f7..d34bd24c2c84 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c @@ -100,7 +100,7 @@ static LIST_HEAD(free_entries); static DEFINE_SPINLOCK(free_entries_lock); /* Global disable flag - will be set in case of an error */ -static u32 global_disable __read_mostly; +static bool global_disable __read_mostly; /* Early initialization disable flag, set at the end of dma_debug_init */ static bool dma_debug_initialized __read_mostly; @@ -1249,6 +1249,14 @@ static void check_sync(struct device *dev, dir2name[entry->direction], dir2name[ref->direction]); + if (ref->sg_call_ents && ref->type == dma_debug_sg && + ref->sg_call_ents != entry->sg_call_ents) { + err_printk(ref->dev, entry, "DMA-API: device driver syncs " + "DMA sg list with different entry count " + "[map count=%d] [sync count=%d]\n", + entry->sg_call_ents, ref->sg_call_ents); + } + out: put_hash_bucket(bucket, &flags); } @@ -1456,7 +1464,7 @@ void debug_dma_alloc_coherent(struct device *dev, size_t size, entry->type = dma_debug_coherent; entry->dev = dev; entry->pfn = page_to_pfn(virt_to_page(virt)); - entry->offset = (size_t) virt & PAGE_MASK; + entry->offset = (size_t) virt & ~PAGE_MASK; entry->size = size; entry->dev_addr = dma_addr; entry->direction = DMA_BIDIRECTIONAL; @@ -1472,7 +1480,7 @@ void debug_dma_free_coherent(struct device *dev, size_t size, .type = dma_debug_coherent, .dev = dev, .pfn = page_to_pfn(virt_to_page(virt)), - .offset = (size_t) virt & PAGE_MASK, + .offset = (size_t) virt & ~PAGE_MASK, .dev_addr = addr, .size = size, .direction = DMA_BIDIRECTIONAL, |