Re: [PATCH v4] membarrier: expedited private command

From	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v4] membarrier: expedited private command
Date	2017-07-31 21:50 +0200
Message-ID	<u9oRr-1UK-5@gated-at.bofh.it> (permalink)
References	<u8kmS-er-33@gated-at.bofh.it> <u9oRr-1UK-7@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

On Mon, Jul 31, 2017 at 12:23:44PM -0700, Dave Watson wrote:
> On 07/28/17 04:40 PM, Mathieu Desnoyers wrote:
> > Implement MEMBARRIER_CMD_PRIVATE_EXPEDITED with IPIs using cpumask built
> > from all runqueues for which current thread's mm is the same as the
> > thread calling sys_membarrier. It executes faster than the non-expedited
> > variant (no blocking). It also works on NOHZ_FULL configurations.
> 
> I tested this with our hazard pointer use case on x86_64, and it seems
> to work great.  We don't currently have any uses needing SHARED.
> 
> Tested-by: Dave Watson <davejwatson@fb.com>

Applied, and thank you for testing this!

							Thanx, Paul

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

[PATCH v4] membarrier: expedited private command Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2017-07-28 22:50 +0200
  Re: [PATCH v4] membarrier: expedited private command "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-28 23:00 +0200
  Re: [PATCH v4] membarrier: expedited private command "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-31 21:50 +0200

csiph-web