From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: ARM perf events spin locks
Date: Tue, 30 Nov 2010 10:41:04 -0000 [thread overview]
Message-ID: <004101cb907b$16f911b0$44eb3510$@deacon@arm.com> (raw)
In-Reply-To: <20101130100802.GB4398@pulham.picochip.com>
> Hi Will,
Hello,
> I think we should convert the spinlocks in the ARM perf events code to raw
> spinlocks for realtime. Should we wait for your split set to get merged first
> before doing this?
Since this is a logically separate change, I think we're better off waiting
until the split stuff has been merged. As for the raw spinlocks, by realtime
do you mean PREEMPT_RT? Also, do we actually *need* raw spinlocks in the perf
code?
Will
next prev parent reply other threads:[~2010-11-30 10:41 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-30 10:08 ARM perf events spin locks Jamie Iles
2010-11-30 10:41 ` Will Deacon [this message]
2010-11-30 10:58 ` Jamie Iles
2010-11-30 13:49 ` Will Deacon
2010-11-30 13:54 ` Jamie Iles
2010-11-30 13:59 ` Will Deacon
2010-11-30 14:31 ` Russell King - ARM Linux
2010-11-30 14:46 ` Will Deacon
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