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

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Message-Id: <20170427204626.GA21594@linux.vnet.ibm.com>
Date:   Thu, 27 Apr 2017 13:46:26 -0700
From:   "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:     mingo@...nel.org
Cc:     linux-kernel@...r.kernel.org, efault@....de
Subject: [GIT PULL rcu/urgent] Adjust SRCU auto-expedite default delay

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 commit is available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/urgent

for you to fetch changes up to b5fe223a4bd0217a657ff084e48752c367a8a55f:

  srcu: Adjust default auto-expediting holdoff (2017-04-27 08:35:24 -0700)

----------------------------------------------------------------
Paul E. McKenney (1):
      srcu: Adjust default auto-expediting holdoff

 kernel/rcu/srcutree.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)