[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: deferred cancellation of ipc
From: |
Marcus Brinkmann |
Subject: |
Re: deferred cancellation of ipc |
Date: |
Tue, 14 Oct 2003 22:48:19 +0200 |
User-agent: |
Mutt/1.5.4i |
On Tue, Oct 14, 2003 at 10:45:46PM +0200, Marcus Brinkmann wrote:
> But that is only the one reason. The other reason is SMP. Disabling
> preemption is only atomic within a single processor. If a thread on another
> processor wants to cancel the next or current ipc of a thread, then
> disabling preemption is not good enough. The cancelling thread does not
> even know if the other thread runs on the same CPU as itself, or some other
> CPU.
Or does maybe stopping a thread on another CPU count as preemption and is
also delayed?
Thanks,
Marcus
--
`Rhubarb is no Egyptian god.' GNU http://www.gnu.org address@hidden
Marcus Brinkmann The Hurd http://www.gnu.org/software/hurd/
address@hidden
http://www.marcus-brinkmann.de/
- deferred cancellation of ipc, Marcus Brinkmann, 2003/10/13
- Re: deferred cancellation of ipc, Niels Möller, 2003/10/14
- Re: deferred cancellation of ipc, Marcus Brinkmann, 2003/10/14
- Re: deferred cancellation of ipc, Niels Möller, 2003/10/14
- Re: deferred cancellation of ipc, Marcus Brinkmann, 2003/10/14
- Re: deferred cancellation of ipc, Niels Möller, 2003/10/14
- RE: deferred cancellation of ipc, Volkmar Uhlig, 2003/10/14
- Re: deferred cancellation of ipc, Marcus Brinkmann, 2003/10/14
- Re: deferred cancellation of ipc,
Marcus Brinkmann <=
- RE: deferred cancellation of ipc, Volkmar Uhlig, 2003/10/14
- Re: deferred cancellation of ipc, Marcus Brinkmann, 2003/10/14
- Re: deferred cancellation of ipc, Stefan Götz, 2003/10/15
- Re: deferred cancellation of ipc, Marcus Brinkmann, 2003/10/15
- Re: deferred cancellation of ipc, Marcus Brinkmann, 2003/10/14
- Re: deferred cancellation of ipc, Niels Möller, 2003/10/14
- Re: deferred cancellation of ipc, Marcus Brinkmann, 2003/10/14
- Re: deferred cancellation of ipc, Marcus Brinkmann, 2003/10/14