>> There is a use cases when architecture is 64-bit but hardware supports
>> only DMA to lower 4G of address space. E.g. NVMe device on RCar PCIe host.
>>
>> For such cases, it looks proper to call blk_queue_bounce_limit() with
>> mask set to 0x - thus making block layer to use bounce
Hi
There is a use cases when architecture is 64-bit but hardware supports
only DMA to lower 4G of address space. E.g. NVMe device on RCar PCIe host.
For such cases, it looks proper to call blk_queue_bounce_limit() with
mask set to 0x - thus making block layer to use bounce buffers
for
