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From: Will Deacon <will.deacon@arm.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Yang Shi <yang.shi@linaro.org>,
	linaro-kernel@lists.linaro.org, linux-rt-users@vger.kernel.org,
	catalin.marinas@arm.com, bigeasy@linutronix.de,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] arm64: replace read_lock to rcu lock in call_step_hook
Date: Tue, 9 Feb 2016 16:04:42 +0000	[thread overview]
Message-ID: <20160209160442.GS22874@arm.com> (raw)
In-Reply-To: <20160209100758.69d9006f@gandalf.local.home>

On Tue, Feb 09, 2016 at 10:07:58AM -0500, Steven Rostedt wrote:
> On Tue, 9 Feb 2016 14:54:26 +0000
> Will Deacon <will.deacon@arm.com> wrote:
> 
> 
> > Acked-by: Will Deacon <will.deacon@arm.com>
> 
> Will,

Hi Steve,

> The patch looks good to me. Do you want to take it through your tree?
> 
> It benefits mainline too as a rcu_read_lock() is more efficient than
> rwlocks. Although I will say this is a slow path anyway.

I was thinking that Catalin would queue it for 4.6 in the arm64 tree,
since that's probably easiest in case any unlikely conflicts crop up.

Will

  reply	other threads:[~2016-02-09 16:04 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-08 22:49 [PATCH] arm64: replace read_lock to rcu lock in call_step_hook Yang Shi
2016-02-09  9:02 ` Sebastian Andrzej Siewior
2016-02-09 14:54 ` Will Deacon
2016-02-09 15:07   ` Steven Rostedt
2016-02-09 16:04     ` Will Deacon [this message]
2016-02-09 16:08       ` Steven Rostedt
2016-02-09 16:24       ` Catalin Marinas

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