Re: [PATCH 1/3] x86: Add UV watchlist bios call

From: Russ Anderson
Date: Wed Oct 22 2008 - 10:35:16 EST


On Wed, Oct 22, 2008 at 08:20:43AM +0200, Ingo Molnar wrote:
>
> * Russ Anderson <rja@xxxxxxx> wrote:
>
> > Add UV bios calls to allocate and free watchlists.
>
> hm, what is a watchlist?

It is a hardware feature in the SGI UV hardware, used as part
of the GRU message queue support.

It is used by drivers/misc/sgi-xp/xpc_uv.c. Dean Nelson submitted
a patch yesterday that uses the watchlist bios call.

http://marc.info/?l=linux-kernel&m=122462426019304&w=2

Thanks,
--
Russ Anderson, OS RAS/Partitioning Project Lead
SGI - Silicon Graphics Inc rja@xxxxxxx
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