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Commit 9fd558f4 authored by Michael S. Tsirkin's avatar Michael S. Tsirkin Committed by Roland Dreier
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IB/mthca: Don't use privileged UAR for kernel access 



Make kernel use UAR2 instead of UAR1 for hardware access: this adds
sanity checking from the hardware side, without any performance cost.

Signed-off-by: default avatarMichael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent b2707573

drivers/infiniband/hw/mthca/mthca_uar.c

+1 −1
Original line number Diff line number Diff line
@@ -60,7 +60,7 @@ int mthca_init_uar_table(struct mthca_dev *dev) 
	ret = mthca_alloc_init(&dev->uar_table.alloc,

			       dev->limits.num_uars,

			       dev->limits.num_uars - 1,

			       dev->limits.reserved_uars);

			       dev->limits.reserved_uars + 1);

	if (ret)

		return ret;