On Wed, 7 Mar 2001, Abramo Bagnara wrote: > Alexander Viro wrote: > > > > On Wed, 7 Mar 2001, Jeremy Elson wrote: > > > > > Right now, my code looks something like this: (it might make more > > > sense if you know that I've written a framework for writing user-space > > > device drivers... I'm going to be releasing it soon, hopefully after I > > > resolve this performance problem. Or maybe before, if it's hard.) > > > > Ugh. Why not make that a named pipe and use zerocopy stuff for pipes? > > I.e. why bother with making it look like a character device rather than > > a FIFO? > > What about ioctl? Device drivers sometimes need it ;-) No, they don't. OOB data is equivalent to data on parallel channel. - 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/
- Mapping a piece of one process' addrspace to another? Jeremy Elson
- Re: Mapping a piece of one process' addrspace to a... Alexander Viro
- Re: Mapping a piece of one process' addrspace ... Marcelo Tosatti
- Re: Mapping a piece of one process' addrsp... Jeremy Elson
- Re: Mapping a piece of one process' ad... Alexander Viro
- Re: Mapping a piece of one proces... Jeremy Elson
- Re: Mapping a piece of one pr... Alexander Viro
- Re: Mapping a piece of on... James H. Cloos Jr.
- Re: Mapping a piece of one proces... Abramo Bagnara
- Re: Mapping a piece of one pr... Alexander Viro
- Re: Mapping a piece of on... Abramo Bagnara
- Re: Mapping a piece of on... Alexander Viro
- Re: Mapping a piece of on... Abramo Bagnara
- Re: Mapping a piece of on... Jeremy Elson
- Re: Mapping a piece of one process' ad... Abramo Bagnara
- Re: Mapping a piece of one process' addrsp... Pavel Machek
- Re: Mapping a piece of one process' addrspace to a... Manfred Spraul
- Re: Mapping a piece of one process' addrspace to a... Jesse Pollard