From: Steven Rostedt <rostedt@goodmis.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
stable <stable@vger.kernel.org>, Christoph Lameter <cl@linux.com>,
Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
Subject: Re: [GIT PULL] ring-buffer: Replace this_cpu_*() with __this_cpu_*()
Date: Thu, 19 Mar 2015 18:34:44 -0400 [thread overview]
Message-ID: <20150319183444.3d26f078@grimm.local.home> (raw)
In-Reply-To: <CA+55aFwABeHiPK4fsn1g=V-PR88UnNqCADzVWAzWGORtNFs2Jw@mail.gmail.com>
On Thu, 19 Mar 2015 15:16:25 -0700
Linus Torvalds <torvalds@linux-foundation.org> wrote:
> So I don't think the ring-buffer change is necessarily _wrong_, but if
> this is a performance issue, why don't we just fix it up for the
> generic case rather than for just one user?
I totally agree with your analysis, but it's up to Christoph to come up
with an answer to your questions.
-- Steve
next prev parent reply other threads:[~2015-03-19 22:34 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-19 22:02 [GIT PULL] ring-buffer: Replace this_cpu_*() with __this_cpu_*() Steven Rostedt
2015-03-19 22:16 ` Linus Torvalds
2015-03-19 22:34 ` Steven Rostedt [this message]
2015-03-19 22:42 ` Steven Rostedt
2015-05-19 15:35 ` Christoph Lameter
2015-05-19 15:42 ` Steven Rostedt
2015-05-19 16:20 ` Christoph Lameter
2015-03-23 17:48 ` Steven Rostedt
2015-03-24 18:47 ` Christoph Lameter
2015-03-24 19:37 ` Christoph Lameter
2015-05-18 19:50 ` Linus Torvalds
2015-05-18 20:40 ` Steven Rostedt
2015-03-20 7:26 ` Uwe Kleine-König
2015-03-20 11:55 ` Steven Rostedt
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