[lkml]   [2008]   [Aug]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] X86: Change the default value of nr_irqs from 32 to NR_IRQs
On Tue, Aug 19, 2008 at 11:13 AM, Alex Nixon (Intern)
<> wrote:
> Yinghai Lu <> wrote:
>>On Tue, Aug 19, 2008 at 9:55 AM, Alex Nixon <> wrote:
>>> If the number of discovered IRQs is suspiciously low, this patch causes
>>> the number reported to default to NR_IRQS, rather than 32. NR_IRQS has
>>> already been defined to be a >sensible value for the current system (in
>>> particular, at least 224 when paravirtualisation is involved).
>>if only one ioapic, nr will be 24<<1, you will get 48. Does pv has io apic
>> ?
> I'm not sure about the general case, but Xen does not (Jeremy correct me if
> I'm wrong).
> Unless I'm missing something (which I may well be; I'm new to this area of
> code), it seems more logical anyway to default back to the calculated
> system-specific value (NR_IRQS), instead of 32, which seems rather
> arbitrary.



 \ /
  Last update: 2008-08-19 20:27    [W:0.079 / U:4.288 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site