From: Ingo Molnar <mingo@elte.hu>
To: Peter Zijlstra <peterz@infradead.org>
Cc: David Rientjes <rientjes@google.com>,
Ingo Molnar <mingo@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: [patch 2/2] lockdep: initialize lockdep debugging statistics
Date: Thu, 5 Mar 2009 12:05:22 +0100 [thread overview]
Message-ID: <20090305110522.GI32407@elte.hu> (raw)
In-Reply-To: <1236250159.4228.186.camel@laptop>
* Peter Zijlstra <peterz@infradead.org> wrote:
> On Thu, 2009-03-05 at 02:29 -0800, David Rientjes wrote:
> > The CONFIG_DEBUG_LOCKDEP statistics need to be initialized with
> > ATOMIC_INIT(0) since they are of type atomic_t.
>
> And how does ATOMIC_INIT(0) differ from the global/static
> storage being initialized to 0?
>
> All I can see this doing it moving the variables from bss to
> data for some compilers.
ok, i dropped it for now.
Ingo
next prev parent reply other threads:[~2009-03-05 11:06 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-05 10:29 [patch 1/2] lockdep: remove duplicate CONFIG_DEBUG_LOCKDEP definitions David Rientjes
2009-03-05 10:29 ` [patch 2/2] lockdep: initialize lockdep debugging statistics David Rientjes
2009-03-05 10:48 ` [tip:core/locking] " David Rientjes
2009-03-05 10:49 ` [patch 2/2] " Peter Zijlstra
2009-03-05 11:05 ` Ingo Molnar [this message]
2009-03-05 21:57 ` David Rientjes
2009-03-06 8:28 ` Peter Zijlstra
2009-03-06 9:56 ` David Rientjes
2009-03-06 10:19 ` Peter Zijlstra
2009-03-06 10:27 ` David Rientjes
2009-03-06 10:46 ` Peter Zijlstra
2009-03-06 10:05 ` Li Zefan
2009-03-05 10:48 ` [tip:core/locking] lockdep: remove duplicate CONFIG_DEBUG_LOCKDEP definitions David Rientjes
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20090305110522.GI32407@elte.hu \
--to=mingo@elte.hu \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=peterz@infradead.org \
--cc=rientjes@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.