From:   Thomas Gleixner <tglx@linutronix.de>
To:     Jason Gunthorpe <jgg@nvidia.com>
Cc:     Logan Gunthorpe <logang@deltatee.com>,
        LKML <linux-kernel@vger.kernel.org>,
        Bjorn Helgaas <helgaas@kernel.org>,
        Marc Zygnier <maz@kernel.org>,
        Alex Williamson <alex.williamson@redhat.com>,
        Kevin Tian <kevin.tian@intel.com>,
        Megha Dey <megha.dey@intel.com>,
        Ashok Raj <ashok.raj@intel.com>, linux-pci@vger.kernel.org,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Jon Mason <jdmason@kudzu.us>,
        Dave Jiang <dave.jiang@intel.com>,
        Allen Hubbe <allenbh@gmail.com>, linux-ntb@googlegroups.com,
        linux-s390@vger.kernel.org, Heiko Carstens <hca@linux.ibm.com>,
        Christian Borntraeger <borntraeger@de.ibm.com>, x86@kernel.org,
        Joerg Roedel <jroedel@suse.de>,
        iommu@lists.linux-foundation.org
Subject: Re: [patch 21/32] NTB/msi: Convert to msi_on_each_desc()
In-Reply-To: <87mtlk84ae.ffs@tglx>
References: <6ba084d6-2b26-7c86-4526-8fcd3d921dfd@deltatee.com>
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 <87v909bf2k.ffs@tglx> <20211130202800.GE4670@nvidia.com>
 <87o861banv.ffs@tglx> <20211201001748.GF4670@nvidia.com>
 <87mtlkaauo.ffs@tglx> <20211201130023.GH4670@nvidia.com>
 <87y2548byw.ffs@tglx> <20211201181406.GM4670@nvidia.com>
 <87mtlk84ae.ffs@tglx>
Date:   Thu, 02 Dec 2021 01:01:42 +0100
Message-ID: <87r1av7u3d.ffs@tglx>
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Jason,

On Wed, Dec 01 2021 at 21:21, Thomas Gleixner wrote:
> On Wed, Dec 01 2021 at 14:14, Jason Gunthorpe wrote:
> Which in turn is consistent all over the place and does not require any
> special case for anything. Neither for interrupts nor for anything else.

that said, feel free to tell me that I'm getting it all wrong.

The reason I'm harping on this is that we are creating ABIs on several
ends and we all know that getting that wrong is a major pain.

Thanks,

        tglx