RE: [PATCH v8 08/12] iommu/exynos: remove prefetch buffer setting when enabling System MMU

2013-07-29 Thread Cho KyongHo
> -Original Message- > From: grund...@google.com [mailto:grund...@google.com] On Behalf Of Grant > Grundler > Sent: Saturday, July 27, 2013 2:36 AM > > On Fri, Jul 26, 2013 at 4:28 AM, Cho KyongHo wrote: > > Prefetch buffer must be handled accurately, exact range of a buffer, > > frame

RE: [PATCH v8 08/12] iommu/exynos: remove prefetch buffer setting when enabling System MMU

2013-07-29 Thread Cho KyongHo
-Original Message- From: grund...@google.com [mailto:grund...@google.com] On Behalf Of Grant Grundler Sent: Saturday, July 27, 2013 2:36 AM On Fri, Jul 26, 2013 at 4:28 AM, Cho KyongHo pullip@samsung.com wrote: Prefetch buffer must be handled accurately, exact range of a

Re: [PATCH v8 08/12] iommu/exynos: remove prefetch buffer setting when enabling System MMU

2013-07-26 Thread Grant Grundler
On Fri, Jul 26, 2013 at 4:28 AM, Cho KyongHo wrote: > Prefetch buffer must be handled accurately, exact range of a buffer, > frame by frame manually. Otherwise, it may causes page fault or > deadlock in System MMU. > Thus this patch removes prefetch buffer setting when System MMU is >

Re: [PATCH v8 08/12] iommu/exynos: remove prefetch buffer setting when enabling System MMU

2013-07-26 Thread Grant Grundler
On Fri, Jul 26, 2013 at 4:28 AM, Cho KyongHo pullip@samsung.com wrote: Prefetch buffer must be handled accurately, exact range of a buffer, frame by frame manually. Otherwise, it may causes page fault or deadlock in System MMU. Thus this patch removes prefetch buffer setting when System