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SubjectRe: [RFC GIT PULL] scheduler fix for autogroups
On Sun, Dec 2, 2012 at 11:27 AM, Ingo Molnar <> wrote:
> * Mike Galbraith <> wrote:
>> On Sat, 2012-12-01 at 22:44 +0100, Ingo Molnar wrote:
>> > Should we use some other file for that - or no file at all and
>> > just emit a bootup printk for kernel hackers with a short
>> > attention span?
>> Or, whack the file and don't bother with a printk either. If
>> it's in your config, and your command line doesn't contain
>> noautogroup, it's on, so the info is already present (until
>> buffer gets full). That makes for even fewer lines dedicated
>> to dinky sideline feature.
>> Or (as previously mentioned) just depreciate (or rip out) the
>> whole thing since systemd is propagating everywhere anyway,
>> and offers the same functionality.
>> For 3.7, a revert of 800d4d30c8f2 would prevent the explosion
>> when folks play with the now non-functional on/off switch
>> (task groups are required to _always_ exist, that commit
>> busted the autogroup assumption), so is perhaps a viable
>> quickfix until autogroups fate is decided?
> Linus, which one would be your preference? I'm fine with the
> first and third options - #2 that rips it all out looks like
> a sad removal of an otherwise useful feature.

I suspect #3 is the best option right now - just revert 800d4d30c8f2.

Willing to write a changelog with the pointer to the actual oops that
happens due to this issue?


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