Commit dc25f7ba authored by Andrew Morton's avatar Andrew Morton Committed by Linus Torvalds

[PATCH] sn2: set iommu bounce limit

From: Jes Sorensen <jes@trained-monkey.org>

The following patch sets the IOMMU bounce limit on the SN2 which is require
to avoid some ISA checks in ll_rw_blk.c causing a BUG_ON().
parent a9e44d83
......@@ -805,6 +805,11 @@ sn_pci_init (void)
if (!ia64_platform_is("sn2") || IS_RUNNING_ON_SIMULATOR())
return 0;
/*
* This is needed to avoid bounce limit checks in the blk layer
*/
ia64_max_iommu_merge_mask = ~PAGE_MASK;
/*
* set pci_raw_ops, etc.
*/
......
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