On Wed, Oct 17 2007, David Miller wrote: > From: Jens Axboe <[EMAIL PROTECTED]> > Date: Wed, 17 Oct 2007 12:58:40 +0200 > > > The problem is that you cannot zero the entire sg entry, because then > > you'd potentially overwrite the chain pointer. > > > > I'd propose just adding a > > > > sg_dma_address(sg) = 0; > > sg_dma_len(sg) = 0; > > > > there for now, or provide an arch_clear_sg_entry() helper if we need > > more killed. > > The "chain pointer" is indicated by an sg->page with the low > bit set, but we're explicitly initializing it here to a > non-chain page pointer value. > > What's the problem?
See next mail :-) -- Jens Axboe - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
