Re: [PATCH] multithreaded coredumps for elf exeecutables

Alan Cox (alan@lxorguk.ukuu.org.uk)
Thu, 21 Mar 2002 17:34:27 +0000 (GMT)

> This why I grabbed all those locks, and did the two sets of IPI's in the
> tcore patch. Once the runqueue lock is grabbed, even if that process on the

If you IPI holding a lock whats going to happen if while the IPI is going
across the cpus the other processor tries to grab the runqueue lock and
is spinning on it with interrupts off ?
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