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Groups > linux.kernel > #1632370 > unrolled thread
| Started by | "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> |
|---|---|
| First post | 2017-04-27 22:50 +0200 |
| Last post | 2017-04-28 08:30 +0200 |
| Articles | 2 — 2 participants |
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[GIT PULL rcu/urgent] Adjust SRCU auto-expedite default delay "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-27 22:50 +0200
Re: [GIT PULL rcu/urgent] Adjust SRCU auto-expedite default delay Ingo Molnar <mingo@kernel.org> - 2017-04-28 08:30 +0200
| From | "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> |
|---|---|
| Date | 2017-04-27 22:50 +0200 |
| Subject | [GIT PULL rcu/urgent] Adjust SRCU auto-expedite default delay |
| Message-ID | <tAYwp-5O3-11@gated-at.bofh.it> |
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(-)
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| From | Ingo Molnar <mingo@kernel.org> |
|---|---|
| Date | 2017-04-28 08:30 +0200 |
| Message-ID | <tB7zH-3BN-7@gated-at.bofh.it> |
| In reply to | #1632370 |
* Paul E. McKenney <paulmck@linux.vnet.ibm.com> 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 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(-) Pulled, thanks a lot Paul! Ingo
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