linux-kernel - Re: [PATCH v2 1/3] clocksource: arm_arch_timer: change clocksource name if CP15 unavailable

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Message-ID: <54254F2E.2050804@linaro.org>
Date:	Fri, 26 Sep 2014 13:34:06 +0200
From:	Daniel Lezcano <daniel.lezcano@...aro.org>
To:	Will Deacon <will.deacon@....com>
CC:	Nathan Lynch <nathan_lynch@...tor.com>,
	Catalin Marinas <Catalin.Marinas@....com>,
	Christopher Covington <cov@...eaurora.org>,
	Doug Anderson <dianders@...omium.org>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	Marc Zyngier <Marc.Zyngier@....com>,
	Mark Rutland <Mark.Rutland@....com>,
	Russell King <linux@....linux.org.uk>,
	Sonny Rao <sonnyrao@...omium.org>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/3] clocksource: arm_arch_timer: change clocksource
 name if CP15 unavailable

On 09/26/2014 11:26 AM, Will Deacon wrote:
> On Fri, Sep 26, 2014 at 08:04:30AM +0100, Daniel Lezcano wrote:
>> On 09/18/2014 04:59 PM, Nathan Lynch wrote:
>>> The arm and arm64 VDSOs need CP15 access to the architected counter.
>>> If this is unavailable (which is allowed by ARM v7), indicate this by
>>> changing the clocksource name to "arch_mem_counter" before registering
>>> the clocksource.
>>>
>>> Suggested by Stephen Boyd.
>>>
>>> Signed-off-by: Nathan Lynch <nathan_lynch@...tor.com>
>>> Reviewed-by: Stephen Boyd <sboyd@...eaurora.org>
>>
>> Hi Nathan,
>>
>> is it possible to have the acked-by of the different maintainers for the
>> other patches ?
>
> FWIW: I acked the series:
>
>    http://lists.infradead.org/pipermail/linux-arm-kernel/2014-September/289143.html
>
> There's ongoing debate about whether or not we should have a vdso, but this
> series still makes sense in isolation.

Ok. Thanks for the clarification.


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