Re: [PATCH RFC] swiotlb: Disable swiotlb overflow support when CONFIG_ISA is enabled

2012-07-17 Thread Shuah Khan
On Mon, 2012-07-16 at 12:01 -0400, Konrad Rzeszutek Wilk wrote: > > > The first goal is to figure out which of the drivers aren't doing this > > > properly. This should be possible by just grepping for 'dma_map' and > > > seeing which ones don't do the 'dma_check' right after. > > I did cscope

Re: [PATCH RFC] swiotlb: Disable swiotlb overflow support when CONFIG_ISA is enabled

2012-07-16 Thread Shuah Khan
On Mon, 2012-07-16 at 12:01 -0400, Konrad Rzeszutek Wilk wrote: > On Mon, Jul 16, 2012 at 09:48:20AM -0600, Shuah Khan wrote: > > On Mon, 2012-07-16 at 10:45 -0400, Konrad Rzeszutek Wilk wrote: > > > On Thu, Jul 12, 2012 at 10:17:50AM -0600, Shuah Khan wrote: > > > > Disable iotlb overflow support

Re: [PATCH RFC] swiotlb: Disable swiotlb overflow support when CONFIG_ISA is enabled

2012-07-16 Thread Konrad Rzeszutek Wilk
On Mon, Jul 16, 2012 at 09:48:20AM -0600, Shuah Khan wrote: > On Mon, 2012-07-16 at 10:45 -0400, Konrad Rzeszutek Wilk wrote: > > On Thu, Jul 12, 2012 at 10:17:50AM -0600, Shuah Khan wrote: > > > Disable iotlb overflow support when CONFIG_ISA is enabled. This is the > > > first step towards removin

Re: [PATCH RFC] swiotlb: Disable swiotlb overflow support when CONFIG_ISA is enabled

2012-07-16 Thread Shuah Khan
On Mon, 2012-07-16 at 10:45 -0400, Konrad Rzeszutek Wilk wrote: > On Thu, Jul 12, 2012 at 10:17:50AM -0600, Shuah Khan wrote: > > Disable iotlb overflow support when CONFIG_ISA is enabled. This is the > > first step towards removing overflow support, to be consistent with other > > iommu implementa

Re: [PATCH RFC] swiotlb: Disable swiotlb overflow support when CONFIG_ISA is enabled

2012-07-16 Thread Konrad Rzeszutek Wilk
On Thu, Jul 12, 2012 at 10:17:50AM -0600, Shuah Khan wrote: > Disable iotlb overflow support when CONFIG_ISA is enabled. This is the > first step towards removing overflow support, to be consistent with other > iommu implementations and return DMA_ERROR_CODE. This disabling step is > for finding dr