From: Bill Huey (hui) <bhuey@lnxw.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: paulmck@us.ibm.com, linux-kernel@vger.kernel.org, mingo@elte.hu,
dipankar@in.ibm.com, shemminger@osdl.org, rusty@au1.ibm.com
Subject: Re: [RFC] RCU and CONFIG_PREEMPT_RT progress, part 3
Date: Wed, 13 Jul 2005 13:30:58 -0700 [thread overview]
Message-ID: <20050713203058.GA27292@nietzsche.lynx.com> (raw)
In-Reply-To: <1121281598.25810.14.camel@localhost.localdomain>
On Wed, Jul 13, 2005 at 03:06:38PM -0400, Steven Rostedt wrote:
> > 3. Since SPIN_LOCK_UNLOCKED now takes the lock itself as an
> > argument, what is the best way to initialize per-CPU
> > locks? An explicit initialization function, or is there
> > some way that I am missing to make an initializer?
>
> Ouch, I just notice that (been using an older version for some time).
>
> Ingo, is this to force the initialization of the lists instead of at
> runtime?
ANSI C99 is missing a concept of "self" during auto-intialization. The
explicit passing of the lvalue is needed so that it can be propagated
downward to other macros in the initialization structure. list_head
initialization is one of those things if I remember correctly.
bill
next prev parent reply other threads:[~2005-07-13 20:26 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-13 18:48 Paul E. McKenney
2005-07-13 19:06 ` Steven Rostedt
2005-07-13 20:18 ` Paul E. McKenney
2005-07-13 20:30 ` Bill Huey [this message]
2005-07-13 20:35 ` Bill Huey
2005-07-13 22:04 ` Paul E. McKenney
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