Re: [PATCH RFC tip/core/rcu 0/5] Expedited grace periods encouraging normal ones

[josh]

On Thu, Jul 02, 2015 at 03:11:24AM +0200, Mike Galbraith wrote:
> On Wed, 2015-07-01 at 09:17 -0700, Paul E. McKenney wrote:
> > On Wed, Jul 01, 2015 at 04:17:10PM +0200, Peter Zijlstra wrote:
> > > On Wed, Jul 01, 2015 at 07:00:31AM -0700, Paul E. McKenney wrote:
> > > 
> > > > That is a bit extreme, Peter.
> > > 
> > > Of course; but I'm really not seeing people taking due care with them
> > 
> > ;-)
> > 
> > > > Are a huge pile of them coming in this merge window or something?
> > > > What raised your concerns on this issue?
> > > 
> > > This is complete horse manure (breaking the nvidiot binary blob is a
> > > good thing):
> > > 
> > > 74b51ee152b6 ("ACPI / osl: speedup grace period in acpi_os_map_cleanup")
> > 
> > Really???
> > 
> > I am not concerned about this one.  After all, one of the first things
> > that people do for OS-jitter-sensitive workloads is to get rid of
> > binary blobs.
> 
> I know two users who have no choice but to use the nvidia driver with
> their realtime applications, as nouveau is not up to the task.

Sounds like they have a relatively loose definition of "realtime", then.

- Josh Triplett
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