From: Andrew Morton <akpm@linux-foundation.org>
To: paulmck@linux.vnet.ibm.com
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu,
josh@freedesktop.org, dipankar@in.ibm.com
Subject: Re: [PATCH] Force rcutorture tasks to spread over CPUs
Date: Tue, 26 Jun 2007 16:13:17 -0700 [thread overview]
Message-ID: <20070626161317.767d5ec0.akpm@linux-foundation.org> (raw)
In-Reply-To: <20070613042804.GA6132@linux.vnet.ibm.com>
On Tue, 12 Jun 2007 21:28:04 -0700
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com> wrote:
> + while (!startwriters)
> + barrier(); /* Force scheduler to spread over CPUs. */
one wonders whether a cpu_relax() would be a bit nicer here. That implicitly
does a barrier().
This patch doesn't make much sense for non-SMP builds?
next prev parent reply other threads:[~2007-06-26 23:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-13 4:28 [PATCH] Force rcutorture tasks to spread over CPUs Paul E. McKenney
2007-06-13 16:49 ` Josh Triplett
2007-06-26 23:13 ` Andrew Morton [this message]
2007-06-27 6:30 ` Ingo Molnar
2007-06-27 16:30 ` Paul E. McKenney
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