Re: [openib-general] Ordering between PCI config space writes and MMIO reads?

2006-10-24 Thread Alan Cox
Ar Maw, 2006-10-24 am 12:13 -0700, ysgrifennodd Roland Dreier: > 1) Is this something that should be fixed in the driver? The PCI > spec allows MMIO cycles to start before an earlier config cycle > completed, but do we want to expose this fact to drivers? Would > it be better for ia6

[openib-general] Re: [PATCH 5 of 13] ipath - use proper address translation routine

2006-05-02 Thread Alan Cox
On Maw, 2006-05-02 at 07:24 -0700, Roland Dreier wrote: > But see my earlier mail to Arjan about RDMA -- what address can a > protocol (eg SRP initiator) put in a message that the other side will > use to initiate a remote DMA operation? It seems to me it has to be a > bus address, and that means

[openib-general] Re: [PATCH 03/13] [RFC] ipath copy routines

2005-12-18 Thread Alan Cox
On Sul, 2005-12-18 at 04:27 +0100, Andi Kleen wrote: > Robert Walsh <[EMAIL PROTECTED]> writes: > > > > Any chance we could get these moved into the x86_64 arch directory, > > then? We have to do double-word copies, or our chip gets unhappy. > > Standard memcpy will do double word copies if ever

Re: [openib-general] Re: [PATCH 13/13] [RFC] ipath Kconfig and Makefile

2005-12-17 Thread Alan Cox
On Sad, 2005-12-17 at 14:54 -0800, Robert Walsh wrote: > Agreed about the assembler, but one way or the other, x86_64 is the only > arch we support. If you need a quad only copy then put it into asm/string.h (asm/io.h if its operating on I/O space I guess) or somewhere similar as a generic functio

Re: [openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-10 Thread Alan Cox
On Sad, 2004-10-09 at 22:11, Roland Dreier wrote: > I guess my point was not that the bluetooth stack is somehow > questionable, but rather that the IP policies of a standards bodies > are really not a good reason to keep code out of the kernel. If > someone can name one patent that the IB driver