Re: RFC [patch 00/34] PID Virtualization Overview

[Arjan van de Ven]

On Wed, 2006-01-18 at 11:38 -0800, Dave Hansen wrote:
> On Wed, 2006-01-18 at 20:28 +0100, Arjan van de Ven wrote:
> > On Wed, 2006-01-18 at 11:01 -0800, Dave Hansen wrote:
> > > Other than searches, there appear to be quite a number of drivers an
> > > subsystems that like to print out pids.  I can't find any cases yet
> > > where these are integral to functionality, but I wonder what approach we
> > > should take. 
> > 
> > those should obviously print out the REAL pid, not the application
> > pid ... so no changes needed.
> 
> One suggestion was to make all pid comparisons meaningless without some
> kind of "container" context along with it.  The thought is that using
> pids is inherently racy

current->pid sure isn't racey, you yourself KNOW you're not going
away :)





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