Messages in this thread | | | Date | Sun, 14 Sep 2008 17:48:25 +0200 | From | Ingo Molnar <> | Subject | Re: [RFC 0/4] dynamically allocate arch specific system vectors |
| |
* Ingo Molnar <mingo@elte.hu> wrote:
> > There are two kernel modules, sgi-gru and sgi-xp (in drivers/misc), > > that each need two vectors. And there's the broadcast assist unit > > (BAU) that is involved in tlb shootdown on uv, which currently uses > > statically reserved vector 0xf8 (UV_BAU_MESSAGE -- see > > uv_bau_init()). > > while i understand the UV_BAU_MESSAGE case (TLB flushes are special), > why does sgi-gru and sgi-xp need to go that deep? They are drivers, > they should be able to make use of an ordinary irq just like the other > 2000 drivers we have do.
... but all in one, i still like this concept as it's a nice clean-up. I just dont think it should be exposed to generic drivers, and i think it needs further fixes and cleanups. (see my previous mails)
Ingo
| |