Re: [PATCH v11 02/27] iommu/exynos: add missing cache flush for removed page table entries

2014-03-15 Thread Grant Grundler
Please apply this. It's way overdue. It fixes customer kernel crashes we've seen in the field. I'd also advocate for seeing this be applied to stable kernels. thanks, grant On Thu, Mar 13, 2014 at 10:02 PM, Cho KyongHo wrote: > This commit adds cache flush for removed small and large page

Re: [PATCH v11 02/27] iommu/exynos: add missing cache flush for removed page table entries

2014-03-15 Thread Grant Grundler
Please apply this. It's way overdue. It fixes customer kernel crashes we've seen in the field. I'd also advocate for seeing this be applied to stable kernels. thanks, grant On Thu, Mar 13, 2014 at 10:02 PM, Cho KyongHo pullip@samsung.com wrote: This commit adds cache flush for removed

[PATCH v11 02/27] iommu/exynos: add missing cache flush for removed page table entries

2014-03-13 Thread Cho KyongHo
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 Tested-by: Grant Grundler Signed-off-by:

[PATCH v11 02/27] iommu/exynos: add missing cache flush for removed page table entries

2014-03-13 Thread Cho KyongHo
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.f...@samsung.com Tested-by: Grant Grundler