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

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From	josh@joshtriplett.org
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Subject	Re: [PATCH RFC tip/core/rcu 0/5] Expedited grace periods encouraging normal ones
Date	Thu, 02 Jul 2015 03:40:01 +0200
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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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Thread

[PATCH RFC tip/core/rcu 0/5] Expedited grace periods encouraging  normal ones "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-06-30 23:50 +0200
  [PATCH RFC tip/core/rcu 5/5] rcu: Limit expedited helping to every 10 ms or every 4th GP "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-06-30 23:50 +0200
    Re: [PATCH RFC tip/core/rcu 5/5] rcu: Limit expedited helping to  every 10 ms or every 4th GP Eric Dumazet <edumazet@google.com> - 2015-07-01 00:00 +0200
  [PATCH RFC tip/core/rcu 1/5] rcu: Prepare for expedited GP driving normal GP "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-06-30 23:50 +0200
  Re: [PATCH RFC tip/core/rcu 0/5] Expedited grace periods  encouraging normal ones josh@joshtriplett.org - 2015-07-01 00:10 +0200
    Re: [PATCH RFC tip/core/rcu 0/5] Expedited grace periods encouraging  normal ones Josh Triplett <josh@joshtriplett.org> - 2015-07-01 02:50 +0200
    Re: [PATCH RFC tip/core/rcu 0/5] Expedited grace periods  encouraging normal ones josh@joshtriplett.org - 2015-07-01 23:30 +0200
      Re: [PATCH RFC tip/core/rcu 0/5] Expedited grace periods encouraging  normal ones "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-07-01 23:50 +0200
    Re: [PATCH RFC tip/core/rcu 0/5] Expedited grace periods  encouraging normal ones Mike Galbraith <umgwanakikbuti@gmail.com> - 2015-07-02 03:20 +0200
      Re: [PATCH RFC tip/core/rcu 0/5] Expedited grace periods  encouraging normal ones josh@joshtriplett.org - 2015-07-02 03:40 +0200
        Re: [PATCH RFC tip/core/rcu 0/5] Expedited grace periods  encouraging normal ones Mike Galbraith <umgwanakikbuti@gmail.com> - 2015-07-02 04:10 +0200

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