linux-kernel - Re: [PATCH v2 00/10] irqdomain, gic-v3-its: Implement late irq domain initialization

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Message-ID: <a0893ce2-b45f-6abc-05d7-732072f00bdc@arm.com>
Date:   Wed, 27 Feb 2019 16:56:57 +0000
From:   Marc Zyngier <marc.zyngier@....com>
To:     Matthias Brugger <matthias.bgg@...il.com>,
        "Richter, Robert" <Robert.Richter@...ium.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>
Cc:     "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Stuart Yoder <stuyoder@...il.com>,
        Laurentiu Tudor <laurentiu.tudor@....com>,
        Will Deacon <will.deacon@....com>,
        Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
        Julien Thierry <julien.thierry@....com>,
        Matthias Brugger <mbrugger@...e.com>
Subject: Re: [PATCH v2 00/10] irqdomain, gic-v3-its: Implement late irq domain
 initialization

On 27/02/2019 16:24, Matthias Brugger wrote:
> Hi Marc,
> 
> On 05/12/2018 14:27, Marc Zyngier wrote:
>> On 05/12/2018 12:50, Richter, Robert wrote:
>>> Marc,
>>>
>>> do you have any comments on this series? Please take a look at it.
>>
>> It is on my list of stuff to review. Slowly getting there.
>>
> 
> Did you have time to review this patches?
> This affects production ready hardware, so we would like to see a upstream
> solution for that.

I did: https://lkml.org/lkml/2018/12/13/459

As I said, it is a bit of a hack, but I'm not opposed to the idea. I'd
like it to be driven differently though. Instead of requiring a new
interface, I'd like it to be resolved on demand as domains get
requested. This would allow for some of the more exotic stuff to be
never created (platform MSI anyone?), because no device needs it.

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