linux-kernel - Re: [RESEND PATCH v3 0/4] iommu/iova: Solve longterm IOVA issue

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Message-ID: <627436e2-ae2b-afeb-915c-b6d460d813f8@huawei.com>
Date:   Wed, 2 Dec 2020 15:20:52 +0000
From:   John Garry <john.garry@...wei.com>
To:     Will Deacon <will@...nel.org>
CC:     <robin.murphy@....com>, <joro@...tes.org>,
        <xiyou.wangcong@...il.com>, <linuxarm@...wei.com>,
        <iommu@...ts.linux-foundation.org>, <linux-kernel@...r.kernel.org>,
        <chenxiang66@...ilicon.com>,
        Vijayanand Jitta <vjitta@...eaurora.org>,
        yuqi jin <jinyuqi@...wei.com>, <dima@...sta.com>
Subject: Re: [RESEND PATCH v3 0/4] iommu/iova: Solve longterm IOVA issue

On 01/12/2020 21:02, Will Deacon wrote:

cc'ing some more people who have touched iova code recently

> On Tue, Dec 01, 2020 at 03:35:02PM +0000, John Garry wrote:
>> On 17/11/2020 10:25, John Garry wrote:
>> Is there any chance that we can get these picked up for 5.11? We've seen
>> this issue solved here for a long time.
>>
>> Or, @Robin, let me know if not happy with this since v1.
>>
>> BTW, patch #4 has been on the go for ~1 year now, and is a nice small
>> optimisation from Cong, which I picked up and already had a RB tag.
> I can pick the last patch up, but I'd really like some reviewed/tested-bys
> on the others.
> 

ok, fair enough.

Considering the extremes required to unearth the main problem, it'll be 
hard to get testers, but, fwiw, I can provide a tested-by from the reporter:

Tested-by: Xiang Chen <chenxiang66@...ilicon.com>

@Robin, You originally had some interest in this topic - are you now 
satisfied with the changes I am proposing?

Please let me know.

Thanks,
John