| Date | Sat, 22 Nov 2008 10:29:04 +0100 | From | Joerg Roedel <> | Subject | Re: [PATCH 0/10] DMA-API debugging facility |
| |
On Sat, Nov 22, 2008 at 12:27:39PM +0900, FUJITA Tomonori wrote: > On Fri, 21 Nov 2008 17:26:00 +0100 > Joerg Roedel <joerg.roedel@amd.com> wrote: > > > Hi, > > > > this patchset introduces code to debug drivers usage of the DMA-API. > > Tests with hardware IOMMUs have shown several bugs in drivers regarding > > the usage of that API. > > Problems were found especially in network card drivers. > > Especially? Have you met dma similar bugs with storage (scsi, etc) > drivers?
No. For me the code only triggered network card drivers. Namely the ixgbe, tg3 and bnx2 driver.
> > > This way driver developers get an idea where the problem is in their > > code. > > > > Please review and send any objections or, if there are none, consider > > for inclusion ;) > > This should be architecture independent code. Except for that, it > looks very useful.
Thanks,
Joerg
|