diff options
| author | Stephen Hemminger <stephen@networkplumber.org> | 2018-09-14 09:10:19 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-25 20:33:24 +0200 |
| commit | 9da197f1df40c838f0f06abf94cd23b4ed81e522 (patch) | |
| tree | 06c55d63c9ce570aceab05bbd918b4f1ee535404 /drivers/uio | |
| parent | bfddabfa230452cea32aae82f9cd85ab22601acf (diff) | |
| download | lwn-9da197f1df40c838f0f06abf94cd23b4ed81e522.tar.gz lwn-9da197f1df40c838f0f06abf94cd23b4ed81e522.zip | |
hv_uio_generic: map ringbuffer phys addr
The ring buffer is contiguous IOVA and is mapped via phys addr
for sysfs file. Use same method for the UIO mapping.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/uio')
| -rw-r--r-- | drivers/uio/uio_hv_generic.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/uio/uio_hv_generic.c b/drivers/uio/uio_hv_generic.c index ba67a5267557..53f5610c6065 100644 --- a/drivers/uio/uio_hv_generic.c +++ b/drivers/uio/uio_hv_generic.c @@ -224,10 +224,10 @@ hv_uio_probe(struct hv_device *dev, /* mem resources */ pdata->info.mem[TXRX_RING_MAP].name = "txrx_rings"; pdata->info.mem[TXRX_RING_MAP].addr - = (uintptr_t)page_address(dev->channel->ringbuffer_page); + = (uintptr_t)virt_to_phys(page_address(dev->channel->ringbuffer_page)); pdata->info.mem[TXRX_RING_MAP].size = dev->channel->ringbuffer_pagecount << PAGE_SHIFT; - pdata->info.mem[TXRX_RING_MAP].memtype = UIO_MEM_LOGICAL; + pdata->info.mem[TXRX_RING_MAP].memtype = UIO_MEM_IOVA; pdata->info.mem[INT_PAGE_MAP].name = "int_page"; pdata->info.mem[INT_PAGE_MAP].addr |