From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: rostedt@goodmis.org, tglx@linutronix.de,
paulmck@linux.vnet.ibm.com, linux-rt-users@vger.kernel.org
Subject: Re: [PATCH 1/2] list_bl.h: make list head locking RT safe
Date: Fri, 21 Jun 2013 17:36:31 +0200 [thread overview]
Message-ID: <51C472FF.1050409@linutronix.de> (raw)
In-Reply-To: <20130621152528.GB19624@windriver.com>
On 06/21/2013 05:25 PM, Paul Gortmaker wrote:
> I guess the easiest way to make use of the existing checks is to
> simply set/clear the bit inside the lock. That will allow the
> existing code to check if the list got smashed by something.
>
> If the incremental patch below is what you had in mind, then I'll
> resend a v2 with this change incorporated.
Yes, that is probably the easiest thing.
> Thanks,
> Paul.
> --
Sebastian
next prev parent reply other threads:[~2013-06-21 15:36 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-10 21:36 [PATCH 0/2] Avoid more bit_spin_lock usage on RT kernels Paul Gortmaker
2013-06-10 21:36 ` [PATCH 1/2] list_bl.h: make list head locking RT safe Paul Gortmaker
2013-06-21 12:23 ` Sebastian Andrzej Siewior
2013-06-21 15:25 ` Paul Gortmaker
2013-06-21 15:36 ` Sebastian Andrzej Siewior [this message]
2013-06-21 19:07 ` [PATCH v2] " Paul Gortmaker
2013-06-28 11:23 ` Sebastian Andrzej Siewior
2013-06-10 21:36 ` [PATCH 2/2] list_bl: make list head lock a raw lock Paul Gortmaker
2013-06-10 21:56 ` [PATCH 0/2] Avoid more bit_spin_lock usage on RT kernels Paul E. McKenney
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