linux-kernel - Re: [PATCH v4 5/6] iova: Add iova_len argument to init_iova

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Date:   Mon, 2 Aug 2021 17:06:48 +0100
From:   John Garry <john.garry@...wei.com>
To:     Will Deacon <will@...nel.org>
CC:     <joro@...tes.org>, <robin.murphy@....com>,
        <baolu.lu@...ux.intel.com>, <iommu@...ts.linux-foundation.org>,
        <linuxarm@...wei.com>, <thierry.reding@...il.com>,
        <airlied@...ux.ie>, <daniel@...ll.ch>, <jonathanh@...dia.com>,
        <sakari.ailus@...ux.intel.com>, <bingbu.cao@...el.com>,
        <tian.shu.qiu@...el.com>, <mchehab@...nel.org>,
        <gregkh@...uxfoundation.org>, <digetx@...il.com>, <mst@...hat.com>,
        <jasowang@...hat.com>, <linux-kernel@...r.kernel.org>,
        <chenxiang66@...ilicon.com>
Subject: Re: [PATCH v4 5/6] iova: Add iova_len argument to init_iova_domain()

On 02/08/2021 16:06, Will Deacon wrote:
> On Wed, Jul 14, 2021 at 06:36:42PM +0800, John Garry wrote:
>> Add max opt argument to init_iova_domain(), and use it to set the rcaches
>> range.
>>
>> Also fix up all users to set this value (at 0, meaning use default).
> Wrap that in init_iova_domain_defaults() to avoid the mysterious 0?

Sure, I can do something like that. I actually did have separate along 
those lines in v3 before I decided to change it.

Thanks,
John