From: Ingo Molnar <mingo@kernel.org>
To: Waiman Long <longman@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>, Will Deacon <will.deacon@arm.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 4/5] locking/lockdep: Make class->ops a percpu counter
Date: Thu, 4 Oct 2018 12:14:23 +0200 [thread overview]
Message-ID: <20181004101423.GA83274@gmail.com> (raw)
In-Reply-To: <d66681f3-8781-9793-1dcf-2436a284550b@redhat.com>
* Waiman Long <longman@redhat.com> wrote:
> diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
> index b0d0b51c4d85..1fd82ff99c65 100644
> --- a/include/linux/lockdep.h
> +++ b/include/linux/lockdep.h
> @@ -99,13 +99,8 @@ struct lock_class {
> */
> unsigned int version;
>
> - /*
> - * Statistics counter:
> - */
> - unsigned long ops;
> -
> - const char *name;
> int name_version;
> + const char *name;
'name' gets moved by the patch - better structure packing on 64-bit kernels?
Looks good to me otherwise.
Thanks,
Ingo
next prev parent reply other threads:[~2018-10-04 10:14 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-02 20:19 [PATCH v2 0/5] locking/lockdep: Improve lockdep performance Waiman Long
2018-10-02 20:19 ` [PATCH v2 1/5] locking/lockdep: Remove add_chain_cache_classes() Waiman Long
2018-10-03 7:30 ` [tip:locking/core] " tip-bot for Waiman Long
2018-10-02 20:19 ` [PATCH v2 2/5] locking/lockdep: Eliminate redundant irqs check in __lock_acquire() Waiman Long
2018-10-03 7:31 ` [tip:locking/core] locking/lockdep: Eliminate redundant IRQs " tip-bot for Waiman Long
2018-10-02 20:19 ` [PATCH v2 3/5] locking/lockdep: Add a faster path in __lock_release() Waiman Long
2018-10-03 7:31 ` [tip:locking/core] " tip-bot for Waiman Long
2018-10-02 20:19 ` [PATCH v2 4/5] locking/lockdep: Make class->ops a percpu counter Waiman Long
2018-10-03 7:48 ` Peter Zijlstra
2018-10-03 7:54 ` Ingo Molnar
2018-10-03 8:24 ` Peter Zijlstra
2018-10-03 13:57 ` Waiman Long
2018-10-03 17:07 ` Waiman Long
2018-10-04 10:14 ` Ingo Molnar [this message]
2018-10-04 13:05 ` Waiman Long
2018-10-09 10:54 ` [tip:locking/core] locking/lockdep: Make class->ops a percpu counter and move it under CONFIG_DEBUG_LOCKDEP=y tip-bot for Waiman Long
2018-10-02 20:19 ` [PATCH v2 5/5] locking/lockdep: Call lock_release() after releasing the lock Waiman Long
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=20181004101423.GA83274@gmail.com \
--to=mingo@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=longman@redhat.com \
--cc=mingo@redhat.com \
--cc=peterz@infradead.org \
--cc=will.deacon@arm.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox