[PATCH 0/3] UBUNTU: [Upstream] sched: Introduce SCHED_RESET_ON_FORK scheduling policy flag

Tim Gardner tim.gardner at canonical.com
Wed Aug 26 15:10:26 BST 2009


Luke Yelavich wrote:
> From what I have been able to find out from the upstream authors of
> these patches, there is not yet a clear schedule as to whether they
> will land for kernel 2.6.32. These patches are already in the fedora
> kernel, and allow pulseaudio to gain realtime privileges in a sane
> way. The userspace porshion for these patches, rtkit, has been
> approved for main inclusion.
> 
> The following changes since commit
> 00c0e6dda4d9fa46b4505e60b104b1a40c79bb0e: Tim Gardner (1): UBUNTU:
> Ubuntu-2.6.31-7.27
> 
> are available in the git repository at:
> 
> git://kernel.ubuntu.com/themuso/ubuntu-karmic.git master
> 
> Lennart Poettering (1): UBUNTU: [Upstream] sched: Introduce
> SCHED_RESET_ON_FORK scheduling policy flag
> 
> Mike Galbraith (2): UBUNTU: [Upstream] sched: Clean up
> SCHED_RESET_ON_FORK UBUNTU: [Upstream] sched: Add SCHED_RESET_ON_FORK
> functionality for nice < 0 tasks
> 
> include/linux/sched.h |    6 +++++ kernel/sched.c        |   54
> +++++++++++++++++++++++++++++++++++++++++------- 2 files changed, 52
> insertions(+), 8 deletions(-)
> 

Of what benefit is this patch set at such a late stage? The only
information that I can find is in the initial commit log. There has been
no real discussion on LKML that I can find, other then some brief
comments on technical details. I believe these changes _could_ have a
fundamental impact on process behavior in some cases and I am loathe to
engage in any experimentation right now.

rtg
-- 
Tim Gardner tim.gardner at canonical.com



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