On Thu, Oct 30, 2014 at 08:45:59PM -0700, Paul E. McKenney wrote:
> On Thu, Oct 30, 2014 at 09:54:34PM +, Alexander Gordeev wrote:
> > On Thu, Oct 30, 2014 at 01:43:18PM -0700, Paul E. McKenney wrote:
> > > > > Have you done any testing of this change?
> > > >
> > > > Just booted to a unicore
On Thu, Oct 30, 2014 at 08:45:59PM -0700, Paul E. McKenney wrote:
On Thu, Oct 30, 2014 at 09:54:34PM +, Alexander Gordeev wrote:
On Thu, Oct 30, 2014 at 01:43:18PM -0700, Paul E. McKenney wrote:
Have you done any testing of this change?
Just booted to a unicore kernel and
On Thu, Oct 30, 2014 at 09:54:34PM +, Alexander Gordeev wrote:
> On Thu, Oct 30, 2014 at 01:43:18PM -0700, Paul E. McKenney wrote:
> > > > Have you done any testing of this change?
> > >
> > > Just booted to a unicore kernel and dd'ed 1G of /dev/sda to /dev/null.
> >
> > OK, that is a start.
On Thu, Oct 30, 2014 at 01:43:18PM -0700, Paul E. McKenney wrote:
> > > Have you done any testing of this change?
> >
> > Just booted to a unicore kernel and dd'ed 1G of /dev/sda to /dev/null.
>
> OK, that is a start. Could I convince you to build a kernel?
I did build one with the patch I
On Thu, Oct 30, 2014 at 05:54:35PM +, Alexander Gordeev wrote:
> On Wed, Oct 29, 2014 at 05:05:24PM -0700, Paul E. McKenney wrote:
> > > > Although it is true that tiny RCU cannot hang a synchronize_rcu()
> > > > grace period, it most certainly can hang a call_rcu() grace period
> > > > in
On Wed, Oct 29, 2014 at 05:05:24PM -0700, Paul E. McKenney wrote:
> > > Although it is true that tiny RCU cannot hang a synchronize_rcu()
> > > grace period, it most certainly can hang a call_rcu() grace period
> > > in exactly the same way.
> >
> > Sorry for being a pain in the neck - just want
On Wed, Oct 29, 2014 at 05:05:24PM -0700, Paul E. McKenney wrote:
Although it is true that tiny RCU cannot hang a synchronize_rcu()
grace period, it most certainly can hang a call_rcu() grace period
in exactly the same way.
Sorry for being a pain in the neck - just want to make sure
On Thu, Oct 30, 2014 at 05:54:35PM +, Alexander Gordeev wrote:
On Wed, Oct 29, 2014 at 05:05:24PM -0700, Paul E. McKenney wrote:
Although it is true that tiny RCU cannot hang a synchronize_rcu()
grace period, it most certainly can hang a call_rcu() grace period
in exactly the same
On Thu, Oct 30, 2014 at 01:43:18PM -0700, Paul E. McKenney wrote:
Have you done any testing of this change?
Just booted to a unicore kernel and dd'ed 1G of /dev/sda to /dev/null.
OK, that is a start. Could I convince you to build a kernel?
I did build one with the patch I posted. Or
On Thu, Oct 30, 2014 at 09:54:34PM +, Alexander Gordeev wrote:
On Thu, Oct 30, 2014 at 01:43:18PM -0700, Paul E. McKenney wrote:
Have you done any testing of this change?
Just booted to a unicore kernel and dd'ed 1G of /dev/sda to /dev/null.
OK, that is a start. Could I
On Wed, Oct 29, 2014 at 09:09:16PM +, Alexander Gordeev wrote:
> On Wed, Oct 29, 2014 at 08:46:15AM -0700, Paul E. McKenney wrote:
> > On Wed, Oct 29, 2014 at 03:16:23PM +, Alexander Gordeev wrote:
> > > On Wed, Oct 29, 2014 at 07:34:39AM -0700, Paul E. McKenney wrote:
> > > > On Wed, Oct
On Wed, Oct 29, 2014 at 08:46:15AM -0700, Paul E. McKenney wrote:
> On Wed, Oct 29, 2014 at 03:16:23PM +, Alexander Gordeev wrote:
> > On Wed, Oct 29, 2014 at 07:34:39AM -0700, Paul E. McKenney wrote:
> > > On Wed, Oct 29, 2014 at 01:45:19PM +, Alexander Gordeev wrote:
> > > > On Wed, Oct
On Wed, Oct 29, 2014 at 03:16:23PM +, Alexander Gordeev wrote:
> On Wed, Oct 29, 2014 at 07:34:39AM -0700, Paul E. McKenney wrote:
> > On Wed, Oct 29, 2014 at 01:45:19PM +, Alexander Gordeev wrote:
> > > On Wed, Oct 29, 2014 at 05:47:29AM -0700, Paul E. McKenney wrote:
> > > > On Wed, Oct
On Wed, Oct 29, 2014 at 07:34:39AM -0700, Paul E. McKenney wrote:
> On Wed, Oct 29, 2014 at 01:45:19PM +, Alexander Gordeev wrote:
> > On Wed, Oct 29, 2014 at 05:47:29AM -0700, Paul E. McKenney wrote:
> > > On Wed, Oct 29, 2014 at 12:07:07PM +0100, Alexander Gordeev wrote:
> > > > Function
On Wed, Oct 29, 2014 at 01:45:19PM +, Alexander Gordeev wrote:
> On Wed, Oct 29, 2014 at 05:47:29AM -0700, Paul E. McKenney wrote:
> > On Wed, Oct 29, 2014 at 12:07:07PM +0100, Alexander Gordeev wrote:
> > > Function rcu_is_cpu_rrupt_from_idle() is called from scheduling-
> > > clock interrupt
On Wed, Oct 29, 2014 at 05:47:29AM -0700, Paul E. McKenney wrote:
> On Wed, Oct 29, 2014 at 12:07:07PM +0100, Alexander Gordeev wrote:
> > Function rcu_is_cpu_rrupt_from_idle() is called from scheduling-
> > clock interrupt handler to check if the current CPU was interrupted
> > from idle. If
On Wed, Oct 29, 2014 at 12:07:07PM +0100, Alexander Gordeev wrote:
> Function rcu_is_cpu_rrupt_from_idle() is called from scheduling-
> clock interrupt handler to check if the current CPU was interrupted
> from idle. If true, it results in invocation of RCU callbacks. But
> the common hardware
Function rcu_is_cpu_rrupt_from_idle() is called from scheduling-
clock interrupt handler to check if the current CPU was interrupted
from idle. If true, it results in invocation of RCU callbacks. But
the common hardware interrupt exit path also contains similar check
and therefore the call to
Function rcu_is_cpu_rrupt_from_idle() is called from scheduling-
clock interrupt handler to check if the current CPU was interrupted
from idle. If true, it results in invocation of RCU callbacks. But
the common hardware interrupt exit path also contains similar check
and therefore the call to
On Wed, Oct 29, 2014 at 12:07:07PM +0100, Alexander Gordeev wrote:
Function rcu_is_cpu_rrupt_from_idle() is called from scheduling-
clock interrupt handler to check if the current CPU was interrupted
from idle. If true, it results in invocation of RCU callbacks. But
the common hardware
On Wed, Oct 29, 2014 at 05:47:29AM -0700, Paul E. McKenney wrote:
On Wed, Oct 29, 2014 at 12:07:07PM +0100, Alexander Gordeev wrote:
Function rcu_is_cpu_rrupt_from_idle() is called from scheduling-
clock interrupt handler to check if the current CPU was interrupted
from idle. If true, it
On Wed, Oct 29, 2014 at 01:45:19PM +, Alexander Gordeev wrote:
On Wed, Oct 29, 2014 at 05:47:29AM -0700, Paul E. McKenney wrote:
On Wed, Oct 29, 2014 at 12:07:07PM +0100, Alexander Gordeev wrote:
Function rcu_is_cpu_rrupt_from_idle() is called from scheduling-
clock interrupt handler
On Wed, Oct 29, 2014 at 07:34:39AM -0700, Paul E. McKenney wrote:
On Wed, Oct 29, 2014 at 01:45:19PM +, Alexander Gordeev wrote:
On Wed, Oct 29, 2014 at 05:47:29AM -0700, Paul E. McKenney wrote:
On Wed, Oct 29, 2014 at 12:07:07PM +0100, Alexander Gordeev wrote:
Function
On Wed, Oct 29, 2014 at 03:16:23PM +, Alexander Gordeev wrote:
On Wed, Oct 29, 2014 at 07:34:39AM -0700, Paul E. McKenney wrote:
On Wed, Oct 29, 2014 at 01:45:19PM +, Alexander Gordeev wrote:
On Wed, Oct 29, 2014 at 05:47:29AM -0700, Paul E. McKenney wrote:
On Wed, Oct 29, 2014
On Wed, Oct 29, 2014 at 08:46:15AM -0700, Paul E. McKenney wrote:
On Wed, Oct 29, 2014 at 03:16:23PM +, Alexander Gordeev wrote:
On Wed, Oct 29, 2014 at 07:34:39AM -0700, Paul E. McKenney wrote:
On Wed, Oct 29, 2014 at 01:45:19PM +, Alexander Gordeev wrote:
On Wed, Oct 29, 2014
On Wed, Oct 29, 2014 at 09:09:16PM +, Alexander Gordeev wrote:
On Wed, Oct 29, 2014 at 08:46:15AM -0700, Paul E. McKenney wrote:
On Wed, Oct 29, 2014 at 03:16:23PM +, Alexander Gordeev wrote:
On Wed, Oct 29, 2014 at 07:34:39AM -0700, Paul E. McKenney wrote:
On Wed, Oct 29, 2014
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