Re: [PATCH RFC] swiotlb: Remove SWIOTLB overflow buffer support

2012-07-10 Thread Shuah Khan
On Tue, 2012-07-10 at 17:06 -0600, Shuah Khan wrote: > On Tue, 2012-07-10 at 13:32 -0400, Konrad Rzeszutek Wilk wrote: > > On Tue, Jul 10, 2012 at 10:55:07AM -0600, Shuah Khan wrote: > > > On Mon, 2012-07-09 at 16:25 -0400, Konrad Rzeszutek Wilk wrote: > > > > On Fri, Jul 06, 2012 at 05:06:12PM -06

Re: [PATCH RFC] swiotlb: Remove SWIOTLB overflow buffer support

2012-07-10 Thread Shuah Khan
On Tue, 2012-07-10 at 13:32 -0400, Konrad Rzeszutek Wilk wrote: > On Tue, Jul 10, 2012 at 10:55:07AM -0600, Shuah Khan wrote: > > On Mon, 2012-07-09 at 16:25 -0400, Konrad Rzeszutek Wilk wrote: > > > On Fri, Jul 06, 2012 at 05:06:12PM -0600, Shuah Khan wrote: > > > > Remove SWIOTLB overflow buffer

Re: [PATCH RFC] swiotlb: Remove SWIOTLB overflow buffer support

2012-07-10 Thread Konrad Rzeszutek Wilk
On Tue, Jul 10, 2012 at 10:55:07AM -0600, Shuah Khan wrote: > On Mon, 2012-07-09 at 16:25 -0400, Konrad Rzeszutek Wilk wrote: > > On Fri, Jul 06, 2012 at 05:06:12PM -0600, Shuah Khan wrote: > > > Remove SWIOTLB overflow buffer support and return DMA_ERROR_CODE > > > (a value of zero) to make it con

Re: [PATCH RFC] swiotlb: Remove SWIOTLB overflow buffer support

2012-07-10 Thread Shuah Khan
On Mon, 2012-07-09 at 16:25 -0400, Konrad Rzeszutek Wilk wrote: > On Fri, Jul 06, 2012 at 05:06:12PM -0600, Shuah Khan wrote: > > Remove SWIOTLB overflow buffer support and return DMA_ERROR_CODE > > (a value of zero) to make it consistent with iommu implementation > > on Intel, AMD, and swiotlb-xen

Re: [PATCH RFC] swiotlb: Remove SWIOTLB overflow buffer support

2012-07-10 Thread FUJITA Tomonori
On Mon, 9 Jul 2012 16:25:05 -0400 Konrad Rzeszutek Wilk wrote: > On Fri, Jul 06, 2012 at 05:06:12PM -0600, Shuah Khan wrote: >> Remove SWIOTLB overflow buffer support and return DMA_ERROR_CODE >> (a value of zero) to make it consistent with iommu implementation >> on Intel, AMD, and swiotlb-xen.

Re: [PATCH RFC] swiotlb: Remove SWIOTLB overflow buffer support

2012-07-09 Thread Konrad Rzeszutek Wilk
On Fri, Jul 06, 2012 at 05:06:12PM -0600, Shuah Khan wrote: > Remove SWIOTLB overflow buffer support and return DMA_ERROR_CODE > (a value of zero) to make it consistent with iommu implementation > on Intel, AMD, and swiotlb-xen. While this is a good forward step and this needs to be done eventuall

[PATCH RFC] swiotlb: Remove SWIOTLB overflow buffer support

2012-07-06 Thread Shuah Khan
Remove SWIOTLB overflow buffer support and return DMA_ERROR_CODE (a value of zero) to make it consistent with iommu implementation on Intel, AMD, and swiotlb-xen. Tested only on x86. Signed-off-by: Shuah Khan --- lib/swiotlb.c | 44 1 file changed,