lkml.org 
[lkml]   [2007]   [Jun]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RFC PATCH 0/6] Convert all tasklets to workqueues
From
Date
On Fri, 2007-06-22 at 22:40 +0200, Ingo Molnar wrote:

>
> - tasklets have certain fairness limitations. (they are executed in
> softirq context and thus preempt everything, even if there is some
> potentially more important, high-priority task waiting to be
> executed.)

Since -rt has been executing tasklets in process context for a long
time, I'm not sure this change would cause to many regressions. However,
it seems like implicit dependencies on "tasklets preempt everything"
might crop up. The other issue is if they don't "preempt
everything" (most of the time), what default priority do we give them
(all of the time)? It seems like Christoph's suggestion of converting
all the tasklets individually might be a better option, to deal with
specific pitfalls.

Daniel

-
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/

\
 
 \ /
  Last update: 2007-06-22 23:59    [W:0.164 / U:26.176 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site