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From:   Thomas Gleixner <tglx@linutronix.de>
To:     Jason Gunthorpe <jgg@nvidia.com>
Cc:     "Dey\, Megha" <megha.dey@intel.com>,
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Subject: Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI
In-Reply-To: <20200930114301.GD816047@nvidia.com>
References: <20200826111628.794979401@linutronix.de> <10b5d933-f104-7699-341a-0afb16640d54@intel.com> <87v9fvix5f.fsf@nanos.tec.linutronix.de> <20200930114301.GD816047@nvidia.com>
Date:   Wed, 30 Sep 2020 17:20:52 +0200
Message-ID: <87k0wbi94b.fsf@nanos.tec.linutronix.de>
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On Wed, Sep 30 2020 at 08:43, Jason Gunthorpe wrote:
> On Wed, Sep 30, 2020 at 08:41:48AM +0200, Thomas Gleixner wrote:
>> On Tue, Sep 29 2020 at 16:03, Megha Dey wrote:
>> > On 8/26/2020 4:16 AM, Thomas Gleixner wrote:
>> >> #9	is obviously just for the folks interested in IMS
>> >>
>> >
>> > I see that the tip tree (as of 9/29) has most of these patches but 
>> > notice that the DEV_MSI related patches
>> >
>> > haven't made it. I have tested the tip tree(x86/irq branch) with your
>> > DEV_MSI infra patches and our IMS patches with the IDXD driver and was
>> 
>> Your IMS patches? Why do you need something special again?
>> 
>> > wondering if we should push out those patches as part of our patchset?
>> 
>> As I don't have any hardware to test that, I was waiting for you and
>> Jason to confirm that this actually works for the two different IMS
>> implementations.
>
> How urgently do you need this? The code looked good from what I
> understood. It will be a while before we have all the parts to send an
> actual patch though.

I personally do not need it at all :) Megha might have different
thoughts... 

> We might be able to put together a mockup just to prove it

If that makes Megha's stuff going that would of course be appreciated,
but we can defer the IMS_QUEUE part for later. It's orthogonal to the
IMS_ARRAY stuff.

Thanks,

        tglx