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Re: I/O permission bitmap patch for oskit-mach


From: Marcus Brinkmann
Subject: Re: I/O permission bitmap patch for oskit-mach
Date: Thu, 28 Feb 2002 19:45:41 -0500
User-agent: Mutt/1.3.25i

On Thu, Feb 28, 2002 at 04:45:21PM -0800, Thomas Bushnell, BSG wrote:
> Marcus Brinkmann <address@hidden> writes:
> 
> > I haven't considered alternatives, like suspending threads.  I am not sure
> > if that would work.  I guess that if you do it within the I/O bitmap lock,
> > it could be safe, although it seems to me that it is potentially much
> > slower than the other approach (not that it would matter much).
> > 
> > If that approach actually works, we might put it in for the SMP case until
> > we have a better solution?
> 
> I'm happy to leave it as a documented bug, and not worry about it
> until SMP is working.  ("Documented" means somewhere other than
> comments in the code and mailing list entries. :)))

Right, I will certainly come around to add those calls to the mach.texi,
and then document this there with a @warning.

Thanks,
Marcus




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