Re: [PATCH] Read-Copy Update 2.5.28 [resent]

[Andrea Arcangeli]

On Mon, Jul 29, 2002 at 10:30:08AM +0200, Pavel Machek wrote:
> Hi!
> 
> > Currently, it seems useful for -
> > 
> > 1. CPU hotplug (synchronize_kernel())
> > 2. ipv4 route cache lookup
> > 3. dentry cache lookup [ more results and new patch on the way ]
> > 4. Potential uses in XFS (Christoph ?)
> 
> Can it be used to make module unloading less painfull?

yes of course, we just do this in 2.4 too. It doesn't cover all the
possible cases though, but it gives additional guarantees that you can
rely on and that's enough for most cases.

Andrea