Messages in this thread | | | Date | Thu, 28 Dec 2006 12:34:39 -0600 | From | Robert Hancock <> | Subject | Re: [PATCH] introduce config option to disable DMA zone on i386 |
| |
Arjan van de Ven wrote: > Hi, > > since one gets random corruption if a user gets this wrong, at least > make things like floppy and all CONFIG_ISA stuff conflict with this > option.... without that your patch feels like a walking time bomb... > (and please include all PCI drivers that only can do 24 bit or 28bit > or .. non-32bit dma as well)
That sounds like a bug if this can happen. Drivers should be failing to initialize if they can't set the proper DMA mask, and the DMA API calls should be failing if the requested DMA mask can't be provided.
-- Robert Hancock Saskatoon, SK, Canada To email, remove "nospam" from hancockr@nospamshaw.ca Home Page: http://www.roberthancock.com/
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |