[PATCH v2 12/18] powerpc/iommu: Fix missing permission bits in iommu_put_tce_user_mode()
From: Alexey Kardashevskiy <hidden>
Date: 2014-07-23 03:06:19
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
This adds missing permission bits to the translated TCE. Signed-off-by: Alexey Kardashevskiy <redacted> --- arch/powerpc/kernel/iommu.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index da04561..01ac319 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c@@ -1085,6 +1085,7 @@ int iommu_put_tce_user_mode(struct iommu_table *tbl, unsigned long entry, return -EFAULT; } hwaddr = (unsigned long) page_address(page) + offset; + hwaddr |= tce & (TCE_PCI_READ | TCE_PCI_WRITE); ret = iommu_tce_build(tbl, entry, hwaddr, direction); if (ret)
--
2.0.0