Re: [PATCH -mm 0/11] fix iommu sg merging problem

2007-10-24 Thread FUJITA Tomonori
On Wed, 24 Oct 2007 07:40:50 -0400 Jeff Garzik <[EMAIL PROTECTED]> wrote: > FUJITA Tomonori wrote: > > IOMMUs merges scatter/gather segments without considering a low level > > driver's restrictions. The problem is that IOMMUs can't access to the > > limitations because they are in request_queue.

Re: [PATCH -mm 0/11] fix iommu sg merging problem

2007-10-24 Thread Jens Axboe
On Wed, Oct 24 2007, FUJITA Tomonori wrote: > IOMMUs merges scatter/gather segments without considering a low level > driver's restrictions. The problem is that IOMMUs can't access to the > limitations because they are in request_queue. > > This patchset introduces a new structure, device_dma_para

Re: [PATCH -mm 0/11] fix iommu sg merging problem

2007-10-24 Thread Jeff Garzik
FUJITA Tomonori wrote: IOMMUs merges scatter/gather segments without considering a low level driver's restrictions. The problem is that IOMMUs can't access to the limitations because they are in request_queue. This patchset introduces a new structure, device_dma_parameters, including dma informa

[PATCH -mm 0/11] fix iommu sg merging problem

2007-10-24 Thread FUJITA Tomonori
IOMMUs merges scatter/gather segments without considering a low level driver's restrictions. The problem is that IOMMUs can't access to the limitations because they are in request_queue. This patchset introduces a new structure, device_dma_parameters, including dma information. A pointer to device