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Date: Wed, 4 Sep 2013 08:14:10 -0700
Message-ID: <CA+55aFyY-KEvqYze56Vw4wiznEBaxjRqHFT6aVxbu_U3k66BdQ@mail.gmail.com>
Subject: Re: [PATCH v7 1/4] spinlock: A new lockref structure for lockless
 update of refcount
From: Linus Torvalds <torvalds@linux-foundation.org>
To: Waiman Long <waiman.long@hp.com>
Cc: Ingo Molnar <mingo@kernel.org>, Al Viro <viro@zeniv.linux.org.uk>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Jeff Layton <jlayton@redhat.com>, Miklos Szeredi <mszeredi@suse.cz>,
        Ingo Molnar <mingo@redhat.com>, Thomas Gleixner <tglx@linutronix.de>,
        linux-fsdevel <linux-fsdevel@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Steven Rostedt <rostedt@goodmis.org>, Andi Kleen <andi@firstfloor.org>,
        "Chandramouleeswaran, Aswin" <aswin@hp.com>,
        "Norton, Scott J" <scott.norton@hp.com>
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On Wed, Sep 4, 2013 at 7:52 AM, Waiman Long <waiman.long@hp.com> wrote:
>
> The latest tty patches did work. The tty related spinlock contention is now
> completely gone. The short workload can now reach over 8M JPM which is the
> highest I have ever seen.

Good. And this was with the 80-core machine, so there aren't any
scalability issues hiding?

             Linus
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