[lkml]   [2013]   [Nov]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH]: exec: avoid propagating PF_NO_SETAFFINITY into userspace child
On 11/28, Peter Zijlstra wrote:
> So there's three useful parts to having a single parent task:
> - its a task so you can change the entire task attribute set; current
> and future.

You can't change, say, its fs->root.

OK, OK, this is almost off-topic, I am just trying to say that
(perhaps) in the longer term we might want even more than just
a dedicated kernel thread.

> - new children will automatically get the desired attributes.


> - all children are easily identified by virtual of being children of
> said parent process.

Well, UMH_WAIT_PROC won't work in this case, or it will be "single-threaded"
too. OK, this is probably solvable, but nontrivial. In this case "khelper"
should act as a /sbin/init for user-mode helpers.


 \ /
  Last update: 2013-11-28 17:01    [W:0.062 / U:1.680 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site