From: Stephen Hemminger Date: Fri, 14 Sep 2018 16:10:19 +0000 (-0700) Subject: hv_uio_generic: map ringbuffer phys addr X-Git-Tag: v4.20-rc1~107^2~98 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=9da197f1df40c838f0f06abf94cd23b4ed81e522;p=thirdparty%2Fkernel%2Flinux.git 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 Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/uio/uio_hv_generic.c b/drivers/uio/uio_hv_generic.c index ba67a52675578..53f5610c60653 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