Messages in this thread | ![/](/images/icornerl.gif) | | Subject | Re: must-fix list for 2.6.0 | From | Robert Love <> | Date | 30 Apr 2003 20:09:13 -0400 |
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On Wed, 2003-04-30 at 19:47, viro@parcelfarce.linux.theplanet.co.uk wrote:
> Excuse me, but WTF do they spin on the sched_yield() in the first place? > _That_ sounds like utterly broken...
I agree it is broken, but it was considered a method of implementing user-space locking for a long time..
The problem is in LinuxThreads mostly, I guess, according to Andrew.
But the big offender we hear about ten times a day is Open Office, which calls sched_yield() after a lot of GUI operations, seemingly in the name of interactivity. It is busted and Red Hat shipped a yield-less Open Office in RH9 which works fine.
Robert Love
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