The device bit that indicates that the device is capable of I/O with private pages lets avoid excessive copying in the Hyper-V SCSI driver. Set that bit equal to the confidential external memory one to not bounce buffer Signed-off-by: Roman Kisel <romank@xxxxxxxxxxxxxxxxxxx> --- drivers/scsi/storvsc_drv.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index a8614e54544e..f647f8fc2f8f 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -686,6 +686,8 @@ static void handle_sc_creation(struct vmbus_channel *new_sc) struct vmstorage_channel_properties props; int ret; + dev->use_priv_pages_for_io = new_sc->confidential_external_memory; + stor_device = get_out_stor_device(device); if (!stor_device) return; -- 2.43.0
