lkml.org 
[lkml]   [2008]   [May]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: 'global' rq->clock
From
Date

On Sat, 2008-05-03 at 12:27 -0700, David Miller wrote:
> > ( although please note that the growing generalization that goes on
> > _did_ find a subtle nohz problem on sparc64 early in the merge
> window,
> > so it's not like these changes are totally useless to you. )
>
> Note that this bug theoretically exists on every platform,
> even x86, and only sparc64 is fixed at the moment by adding
> the irq_{entry,exit}() guards around all of it's IPI handlers.

What is the bug ?

IPIs on power are normal interrupts, so they do happen in irq_entry/exit
blocks but I'm curious to know what the root bug is :-)

Ben.




\
 
 \ /
  Last update: 2008-05-04 00:33    [W:0.065 / U:0.408 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site