On Sat, May 13, 2000 at 01:34:59PM +0200, Ingo Molnar wrote:
>
> On Sat, 13 May 2000, Andi Kleen wrote:
>
> > While reading 2.3.99pre8:
> >
> > + schedule_timeout(2);
>
> > Are you sure that you don't need a current->policy |= SCHED_YIELD
> > here ? Iirc the TCP code something did something very similar,
> > and the SCHED_YIELD had to be added to avoid mm deadlocks.
>
> thx, will add it. The above code is btw. buggy even with your fix, RAID1
> needs preallocation pool to be undeadlocked. [ problems with the above
> code were not seen in RL so far - at the point where the above allocation
> is done we _must not_ fail. (we can only reply with an IO error, which is
> way off.) ]
Understood. How many preallocated stripes are needed to be safe ?
-Andi
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