On Mon, 2 Aug 2010 09:40:08 -0400 Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote: > I am curious about the handling of the -ENOMEM stage. Naturally we would > return an error the device - are the most common ones (ahci, r8169, > ata_piix - those that are DMA_32) equipped to deal with unavailable memory? libata does dma mapping for ata drivers. It can handle mapping errors. Looks like r8169 can't handle errors. All drivers should handle mapping errors because IOMMUs are pretty common now. I think that drivers that vendor people are serious about can handle mapping errors. -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html