Re: [PATCH v2 -mm 0/2] x86: per-device dma_mapping_ops

2008-05-28 Thread FUJITA Tomonori
On Tue, 27 May 2008 11:24:08 +0530 Amit Shah <[EMAIL PROTECTED]> wrote: > On Tuesday 27 May 2008 10:54:06 FUJITA Tomonori wrote: > > > > An example with per-device dma_ops and stacking will look like this: > > > > > > pvdma->hardware->nommu/swiotlb > > > ^ ^ > > > > > > e1000

Re: [PATCH v2 -mm 0/2] x86: per-device dma_mapping_ops

2008-05-25 Thread Amit Shah
On Sunday 25 May 2008 12:50:11 Muli Ben-Yehuda wrote: > On Thu, May 22, 2008 at 04:13:02PM +0530, Amit Shah wrote: > > OK; this sounds helpful. the hook can make a hypercall and confirm > > with the host kernel if the device in question is an assigned > > physical device. If yes, we replace the dma

Re: [PATCH v2 -mm 0/2] x86: per-device dma_mapping_ops

2008-05-25 Thread Muli Ben-Yehuda
On Thu, May 22, 2008 at 04:13:02PM +0530, Amit Shah wrote: > OK; this sounds helpful. the hook can make a hypercall and confirm > with the host kernel if the device in question is an assigned > physical device. If yes, we replace the dma_ops. Though, the > original intent of having stackable ops i

Re: [PATCH v2 -mm 0/2] x86: per-device dma_mapping_ops

2008-05-22 Thread Amit Shah
On Monday 19 May 2008 12:01:27 FUJITA Tomonori wrote: > This is an updated version of the patchset to add per-device > dma_mapping_ops support for CONFIG_X86_64 like POWER architecture > does: > > http://lkml.org/lkml/2008/5/13/36 > > This is against 2.6.26-rc2-mm1 (the changes since the v1 are pre