linux-kernel - Re: [PATCH v2 0/4] iommu: Add device fault reporting API

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Message-ID: <20190612131143.GF21613@8bytes.org>
Date:   Wed, 12 Jun 2019 15:11:43 +0200
From:   Joerg Roedel <joro@...tes.org>
To:     Jean-Philippe Brucker <jean-philippe.brucker@....com>
Cc:     "alex.williamson@...hat.com" <alex.williamson@...hat.com>,
        "jacob.jun.pan@...ux.intel.com" <jacob.jun.pan@...ux.intel.com>,
        "eric.auger@...hat.com" <eric.auger@...hat.com>,
        "ashok.raj@...el.com" <ashok.raj@...el.com>,
        "yi.l.liu@...el.com" <yi.l.liu@...el.com>,
        "robdclark@...il.com" <robdclark@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
        Robin Murphy <Robin.Murphy@....com>
Subject: Re: [PATCH v2 0/4] iommu: Add device fault reporting API

On Wed, Jun 12, 2019 at 12:54:51PM +0100, Jean-Philippe Brucker wrote:
> Thanks! As discussed I think we need to add padding into the iommu_fault
> structure before this reaches mainline, to make the UAPI easier to
> extend in the future. It's already possible to extend but requires
> introducing a new ABI version number and support two structures. Adding
> some padding would only require introducing new flags. If there is no
> objection I'll send a one-line patch bumping the structure size to 64
> bytes (currently 48)

Sounds good, please submit the patch.

Regards,

	Joerg