Re: [GIT PULL rcu/urgent] Adjust SRCU auto-expedite default delay

2017-04-27 Thread Ingo Molnar
* Paul E. McKenney wrote: > Hello, Ingo, > > This series adds a small change to yesterday's pull request, namely > changing the default value of the srcutree.exp_holdoff kernel boot > parameter from 50 microseconds to 25 microseconds. This change completely > eliminates the performance shortfa

[GIT PULL rcu/urgent] Adjust SRCU auto-expedite default delay

2017-04-27 Thread Paul E. McKenney
Hello, Ingo, This series adds a small change to yesterday's pull request, namely changing the default value of the srcutree.exp_holdoff kernel boot parameter from 50 microseconds to 25 microseconds. This change completely eliminates the performance shortfall that Mike Galbraith observed. This com