Re: [PATCH 0/5] fix iommu sg list merge problem

2007-09-26 Thread Muli Ben-Yehuda
On Wed, Sep 26, 2007 at 05:57:57PM +0900, FUJITA Tomonori wrote: iommu code merges sg lists without considering lld's restrictions so some llds need a workaround to split sg lists again. This patchset fixes iommu to handle lld's max segment size limit properly. The patches look reasonable to

Re: [PATCH 0/5] fix iommu sg list merge problem

2007-09-26 Thread FUJITA Tomonori
On Wed, 26 Sep 2007 12:02:21 +0200 Muli Ben-Yehuda [EMAIL PROTECTED] wrote: On Wed, Sep 26, 2007 at 05:57:57PM +0900, FUJITA Tomonori wrote: iommu code merges sg lists without considering lld's restrictions so some llds need a workaround to split sg lists again. This patchset fixes iommu

Re: [PATCH 0/5] fix iommu sg list merge problem

2007-09-26 Thread James Bottomley
On Wed, 2007-09-26 at 23:34 +0900, FUJITA Tomonori wrote: Yeah, I thought about it and it's possible (but not so easy). parisc has IOMMU merging helper code and two parisc IOMMUs use it. ia64 sba_iommu is almost identical to parisc code. x86_64 gart, power, and alpha do in their own way. But I

Re: [PATCH 0/5] fix iommu sg list merge problem

2007-09-26 Thread FUJITA Tomonori
On Wed, 26 Sep 2007 09:38:32 -0500 James Bottomley [EMAIL PROTECTED] wrote: On Wed, 2007-09-26 at 23:34 +0900, FUJITA Tomonori wrote: Yeah, I thought about it and it's possible (but not so easy). parisc has IOMMU merging helper code and two parisc IOMMUs use it. ia64 sba_iommu is almost