From: Thomas Gleixner <tglx@linutronix.de>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: Allen Hubbe <allenbh@gmail.com>,
linux-s390@vger.kernel.org, Kevin Tian <kevin.tian@intel.com>,
x86@kernel.org, Dave Jiang <dave.jiang@intel.com>,
Ashok Raj <ashok.raj@intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Marc Zygnier <maz@kernel.org>, Heiko Carstens <hca@linux.ibm.com>,
LKML <linux-kernel@vger.kernel.org>,
iommu@lists.linux-foundation.org,
Christian Borntraeger <borntraeger@de.ibm.com>,
Alex Williamson <alex.williamson@redhat.com>,
Joerg Roedel <jroedel@suse.de>,
Bjorn Helgaas <helgaas@kernel.org>,
linux-pci@vger.kernel.org, linux-ntb@googlegroups.com,
Logan Gunthorpe <logang@deltatee.com>,
Megha Dey <megha.dey@intel.com>
Subject: Re: [patch 21/32] NTB/msi: Convert to msi_on_each_desc()
Date: Mon, 06 Dec 2021 16:06:20 +0100 [thread overview]
Message-ID: <87lf0x4vtf.ffs@tglx> (raw)
In-Reply-To: <20211206141922.GZ4670@nvidia.com>
Jason,
On Mon, Dec 06 2021 at 10:19, Jason Gunthorpe wrote:
> On Sat, Dec 04, 2021 at 03:20:36PM +0100, Thomas Gleixner wrote:
>> even try to make the irqchip/domain code mangled into the other device
>> code. It should create the irqdomain with the associated chip and that
>> creation process returns a cookie which is passed to the actual device
>> specific code. Allocation then can use that cookie and not the irqdomain
>> pointer itself.
>
> Sounds like your cookie == my msi_table? Maybe we are all agreeing at
> this point then?
I think so. It's going to be something the driver can use as a
reference. Same for the actual interrupt allocated through this domain
reference.
>> So thanks for being patient in educating me here.
>
> I'm happy you got something out of all these words!
Definitely so. That's why we are having these discussions, right?
The shiny irq subsystem is not so shiny when the drivers cannot use
it. OTOH, it's often enough the case that driver folks want to use it
the wrong way just because.
> Yes, it is amazing how many patches this is at already.
Don't worry. You'll get a few more patch bombs in your inbox until IMS
is supported, unless you want to be "unsubscribed".
Thanks,
tglx
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next prev parent reply other threads:[~2021-12-06 15:06 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20211126230957.239391799@linutronix.de>
[not found] ` <20211126232735.547996838@linutronix.de>
[not found] ` <7daba0e2-73a3-4980-c3a5-a71f6b597b22@deltatee.com>
[not found] ` <874k7ueldt.ffs@tglx>
[not found] ` <6ba084d6-2b26-7c86-4526-8fcd3d921dfd@deltatee.com>
[not found] ` <87ilwacwp8.ffs@tglx>
[not found] ` <d6f13729-1b83-fa7d-3f0d-98d4e3f7a2aa@deltatee.com>
[not found] ` <87v909bf2k.ffs@tglx>
[not found] ` <20211130202800.GE4670@nvidia.com>
[not found] ` <87o861banv.ffs@tglx>
[not found] ` <20211201001748.GF4670@nvidia.com>
2021-12-01 10:16 ` [patch 21/32] NTB/msi: Convert to msi_on_each_desc() Thomas Gleixner
2021-12-01 13:00 ` Jason Gunthorpe via iommu
2021-12-01 17:35 ` Thomas Gleixner
2021-12-01 18:14 ` Jason Gunthorpe via iommu
2021-12-01 18:46 ` Logan Gunthorpe
2021-12-01 20:21 ` Thomas Gleixner
2021-12-02 0:01 ` Thomas Gleixner
2021-12-02 13:55 ` Jason Gunthorpe via iommu
2021-12-02 14:23 ` Greg Kroah-Hartman
2021-12-02 14:45 ` Jason Gunthorpe via iommu
2021-12-02 19:25 ` Thomas Gleixner
2021-12-02 20:00 ` Jason Gunthorpe via iommu
2021-12-02 22:31 ` Thomas Gleixner
2021-12-03 0:37 ` Jason Gunthorpe via iommu
2021-12-03 15:07 ` Thomas Gleixner
2021-12-03 16:41 ` Jason Gunthorpe via iommu
2021-12-04 14:20 ` Thomas Gleixner
2021-12-05 14:16 ` Thomas Gleixner
2021-12-06 14:43 ` Jason Gunthorpe via iommu
2021-12-06 15:47 ` Thomas Gleixner
2021-12-06 17:00 ` Jason Gunthorpe via iommu
2021-12-06 20:28 ` Thomas Gleixner
2021-12-06 21:06 ` Jason Gunthorpe via iommu
2021-12-06 22:21 ` Thomas Gleixner
2021-12-06 14:19 ` Jason Gunthorpe via iommu
2021-12-06 15:06 ` Thomas Gleixner [this message]
2021-12-09 6:26 ` Tian, Kevin
2021-12-09 9:03 ` Thomas Gleixner
2021-12-09 12:17 ` Tian, Kevin
2021-12-09 15:57 ` Thomas Gleixner
2021-12-10 7:37 ` Tian, Kevin
2021-12-09 5:41 ` Tian, Kevin
2021-12-09 5:47 ` Jason Wang
2021-12-01 16:28 ` Dave Jiang
2021-12-01 18:41 ` Thomas Gleixner
2021-12-01 18:47 ` Dave Jiang
2021-12-01 20:25 ` Thomas Gleixner
2021-12-01 21:21 ` Dave Jiang
2021-12-01 21:44 ` Thomas Gleixner
2021-12-01 21:49 ` Dave Jiang
2021-12-01 22:03 ` Thomas Gleixner
2021-12-01 22:53 ` Dave Jiang
2021-12-01 23:57 ` Thomas Gleixner
2021-12-09 5:23 ` Tian, Kevin
2021-12-09 8:37 ` Thomas Gleixner
2021-12-09 12:31 ` Tian, Kevin
2021-12-09 16:21 ` Jason Gunthorpe via iommu
2021-12-09 20:32 ` Thomas Gleixner
2021-12-09 20:58 ` Jason Gunthorpe via iommu
2021-12-09 22:09 ` Thomas Gleixner
2021-12-10 0:26 ` Thomas Gleixner
2021-12-10 7:29 ` Tian, Kevin
2021-12-10 12:13 ` Thomas Gleixner
2021-12-11 8:06 ` Tian, Kevin
2021-12-10 12:39 ` Jason Gunthorpe via iommu
2021-12-10 19:00 ` Thomas Gleixner
2021-12-11 7:44 ` Tian, Kevin
2021-12-11 13:04 ` Thomas Gleixner
2021-12-12 1:56 ` Tian, Kevin
2021-12-12 20:55 ` Thomas Gleixner
2021-12-12 23:37 ` Jason Gunthorpe via iommu
2021-12-13 7:50 ` Tian, Kevin
2021-12-11 7:52 ` Tian, Kevin
2021-12-12 0:12 ` Thomas Gleixner
2021-12-12 2:14 ` Tian, Kevin
2021-12-12 20:50 ` Thomas Gleixner
2021-12-12 23:42 ` Jason Gunthorpe via iommu
2021-12-10 7:36 ` Tian, Kevin
2021-12-10 12:30 ` Jason Gunthorpe via iommu
2021-12-12 6:44 ` Mika Penttilä
2021-12-12 23:27 ` Jason Gunthorpe via iommu
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