RE: [PATCH][IO_APIC] 2.5.63bk7 irq_balance improvments / bug-fixes

From: Arjan van de Ven (arjan@fenrus.demon.nl)
Date: Wed Mar 05 2003 - 13:26:52 EST


On Wed, 2003-03-05 at 05:21, Kamble, Nitin A wrote:
> There are few issues we found with the user level daemon approach.
>
> Static binding compatibility: With the user level daemon, users can
> not
> use the /proc/irq/i/smp_affinity interface for the static binding of
> interrupts.

no they can just write/change the config file, with a gui if needed

>
> There is some information which is only available in the kernel today,

there's also some information only available to userspace today that the
userspace daemon can and does use.

> Also the future implementation might need more kernel data. This is
> important for interfaces such as NAPI, where interrupts handling changes
> on the fly.

ehm. almost. but napi isn't it ....

and the userspace side can easily have a system vendor provided file
that represents all kinds of very specific system info about the numa
structure..... working with every kernel out there.



-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Fri Mar 07 2003 - 22:00:29 EST