[lkml]   [2007]   [Feb]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [patch 00/11] ANNOUNCE: "Syslets", generic asynchronous system call support
On Tue, 13 Feb 2007, Davide Libenzi wrote:


> So the sys_async_exec task is going to block. Now, am I being really
> tired, or the cachemiss fast return is simply not there?

The former 8)

new_task->ah = ah;

for (;;) {
if (unlikely(t->ah || ...))

> There's another problem AFAICS:
> - We woke up one of the cachemiss_loop threads in pick_new_async_thread
> - The threads wakes up, mark itself as busy, and look at the ->work
> pointer hoping to find something to work on
> But we never set that pointer to a userspace atom AFAICS. Me blind? :)

I still don't see at->work ever set to a valid userspace atom though...

- Davide

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2007-02-14 05:53    [W:0.340 / U:1.052 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site