linux-kernel - Re: [PATCH] arm: bcm2835: Add the PMU to the devicetree.

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Message-ID: <6097533d-5c77-0bba-a974-53ff65663dd3@arm.com>
Date:   Fri, 18 May 2018 10:49:17 +0100
From:   Marc Zyngier <marc.zyngier@....com>
To:     Stefan Wahren <stefan.wahren@...e.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vince Weaver <vincent.weaver@...ne.edu>
Cc:     Ingo Molnar <mingo@...hat.com>,
        linux-rpi-kernel@...ts.infradead.org,
        Eric Anholt <eric@...olt.net>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        bcm-kernel-feedback-list@...adcom.com,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] arm: bcm2835: Add the PMU to the devicetree.

On 18/05/18 10:37, Stefan Wahren wrote:
> Hi Marc,
> 
>> Marc Zyngier <marc.zyngier@....com> hat am 18. Mai 2018 um 10:07 geschrieben:
>>
>> I have a pretty simple series[1] which I used to profile 32bit guests on
>> an arm64 KVM host. Nobody really cared about it because running a 32bit
>> kernel on 64bit HW is a bit odd, to say the least, and I'm probably the
>> only one actually running 32bit VMs.
>>
>>> FWIW, Broadcom STB chips, even when 64-bit capable or often used with an
>>> 32-bit ARM kernel, so having the ARMv8 PMUs work under a 32-bit ARM
>>> kernel would be great. The downstream solution we have sued thus far is
>>> to find the closest compatible string to represent those, which is not
>>> great...
>> Ah, so you're *really* doing that? I'm not going to ask why, I'm scared
>> of the answer... ;-)
>>
>> Anyway, I can repost that series if that will prevent people from having
>> that kind of silly hacks.
> 
> yes please. But there is a minor nit: some patches introduce new files without SPDX tags.
I'm shocked! ;-)

	M.
-- 
Jazz is not dead. It just smells funny...