From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH] ARM: smp: Fix the CPU hotplug race with scheduler.
Date: Mon, 20 Jun 2011 16:01:41 +0100 [thread overview]
Message-ID: <20110620150140.GM2082@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <4DFF5F29.2000904@ti.com>
On Mon, Jun 20, 2011 at 08:24:33PM +0530, Santosh Shilimkar wrote:
> I am away from my board now. Will test this change.
> btw, the online-active race is still open even with this patch close
> and should be fixed.
I have yet to see any evidence of that race - I've been running your
test loop for about an hour so far on Versatile Express and nothing
yet.
That's not to say that we shouldn't wait for the active mask to become
true before calling schedule(), but I don't think its as big a deal as
you're suggesting it is.
next prev parent reply other threads:[~2011-06-20 15:01 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-20 9:23 [RFC PATCH] ARM: smp: Fix the CPU hotplug race with scheduler Santosh Shilimkar
2011-06-20 9:50 ` Russell King - ARM Linux
2011-06-20 10:14 ` Russell King - ARM Linux
2011-06-20 10:28 ` Santosh Shilimkar
2011-06-20 10:35 ` Russell King - ARM Linux
2011-06-20 10:45 ` Santosh Shilimkar
2011-06-20 11:42 ` Santosh Shilimkar
2011-06-20 10:44 ` Russell King - ARM Linux
2011-06-20 10:47 ` Santosh Shilimkar
2011-06-20 11:13 ` Russell King - ARM Linux
2011-06-20 11:25 ` Santosh Shilimkar
2011-06-20 11:40 ` Russell King - ARM Linux
2011-06-20 11:51 ` Santosh Shilimkar
2011-06-20 12:19 ` Russell King - ARM Linux
2011-06-20 12:27 ` Santosh Shilimkar
2011-06-20 12:57 ` Russell King - ARM Linux
2011-06-20 14:23 ` Russell King - ARM Linux
2011-06-20 14:54 ` Santosh Shilimkar
2011-06-20 15:01 ` Russell King - ARM Linux [this message]
2011-06-20 15:10 ` Santosh Shilimkar
2011-06-21 9:08 ` Santosh Shilimkar
2011-06-21 10:00 ` Russell King - ARM Linux
2011-06-21 10:17 ` Santosh Shilimkar
2011-06-21 10:19 ` Russell King - ARM Linux
2011-06-21 10:21 ` Santosh Shilimkar
2011-06-21 10:26 ` Russell King - ARM Linux
2011-06-21 20:16 ` Stephen Boyd
2011-06-21 23:10 ` Russell King - ARM Linux
2011-06-22 0:06 ` Stephen Boyd
2011-06-22 10:06 ` Russell King - ARM Linux
2011-06-20 10:19 ` Santosh Shilimkar
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