lkml.org 
[lkml]   [2007]   [Dec]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH] i386 IOAPIC: de-fang IRQ compression
Date
"Natalie Protasevich" <protasnb@gmail.com> writes:

> I think we counted them in the order of 1400 external IRQs (actual
> ioapics/slots plus possible on-card bridges), and yes numbers for used
> IRQs were close to 250. Actual customer configurations could've big
> bigger, I don't have such data.
>
>> In particular is a large NR_IRQS plus dynamic vector allocation
>> sufficient for all cases you know about?
>
> Yes, since x86_64 boxes never had a problem once dynamic vectors were
> incorporated.

I was wondering if we could avoid making the vectors per cpu and still be
in good shape on x86_32. From your description it looks like we can't
quite support everything on x86_32 if we don't do the per cpu vector
thing. However we will likely have everything interesting supported.

Eric


\
 
 \ /
  Last update: 2007-12-06 03:27    [W:0.087 / U:0.108 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site