iommu/exynos: Add missing cache flush for removed page table entries

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This commit adds cache flush for removed small and large page entries
in exynos_iommu_unmap(). Missing cache flush of removed page table
entries can cause missing page fault interrupt when a master IP
accesses an unmapped area.

Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Tested-by: Grant Grundler <grundler@chromium.org>
Signed-off-by: Cho KyongHo <pullip.cho@samsung.com>
Signed-off-by: Shaik Ameer Basha <shaik.ameer@samsung.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Cho KyongHo 2014-05-12 11:44:51 +05:30 • committed by Joerg Roedel

parent 8f8fcf970e

commit 6cb47ed739

1 changed files with 2 additions and 0 deletions

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drivers/iommu/exynos-iommu.c

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