Re: HEADS-UP: starting to commit linuxolator (SoC 2006) changes...

From: Divacky Roman <xdivac02_at_stud.fit.vutbr.cz>
Date: Thu, 17 Aug 2006 18:43:53 +0200
On Thu, Aug 17, 2006 at 08:15:38AM -0700, Julian Elischer wrote:
> Divacky Roman wrote:
> 
> >>Anyone with interest in this is free to take care of this, as long as  
> >>they coordinate with the people which work on the current  
> >>infrastructure on emulation_at_ regarding the userland/security stuff and  
> >>the kernel. Until someone stands up and shows results/progress, this  
> >>is scheduled to vanish in the future.
> >>   
> >>
> >
> >
> >I personally see this 3 possible ways:
> >
> >1) leave it as it is (ie. as what will be commited shortly), this means 
> >runtime
> >checking for osrelease sysctl and behaving according to it
> >
> >2) introduce option LINUX_24 or something like that to make this a compile 
> >time build
> >
> >3) remove the 2.4 completely saying that "if you want 2.4 emulation 
> >downgrade fbsd as well". notice that this is 100% ok because linux itself 
> >doesnt support 2.4 emulation on 2.6 kernel.
> > 
> >
> 
> I think that would be a great selling point..  especially if two 
> processes could run the different releases at the same time..
> "even linux needs vmware to do this..".

this is not hard to implement but remeber that it causes getpid() to be
quite expensive function. and as netchild said - newer glibc doesnt work with
2.4 kernel so unless somone is willing to maintain libc for the old linux_base
there wont be any use for this.
Received on Thu Aug 17 2006 - 14:44:09 UTC

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