linux-kernel - Re: [PATCH v13 07/15] iommu/smmuv3: Allow stage 1 invalidation with unmanaged ASIDs

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Message-ID: <0bf50dd6-ef3c-7aba-cbc1-1c2e17088470@redhat.com>
Date:   Fri, 4 Dec 2020 11:23:57 +0100
From:   Auger Eric <eric.auger@...hat.com>
To:     Shameerali Kolothum Thodi <shameerali.kolothum.thodi@...wei.com>,
        Jean-Philippe Brucker <jean-philippe@...aro.org>
Cc:     wangxingang <wangxingang5@...wei.com>,
        Xieyingtai <xieyingtai@...wei.com>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "maz@...nel.org" <maz@...nel.org>,
        "joro@...tes.org" <joro@...tes.org>,
        "will@...nel.org" <will@...nel.org>,
        "iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "vivek.gautam@....com" <vivek.gautam@....com>,
        "alex.williamson@...hat.com" <alex.williamson@...hat.com>,
        "zhangfei.gao@...aro.org" <zhangfei.gao@...aro.org>,
        "robin.murphy@....com" <robin.murphy@....com>,
        "kvmarm@...ts.cs.columbia.edu" <kvmarm@...ts.cs.columbia.edu>,
        "eric.auger.pro@...il.com" <eric.auger.pro@...il.com>,
        "Zengtao (B)" <prime.zeng@...ilicon.com>,
        qubingbing <qubingbing@...ilicon.com>
Subject: Re: [PATCH v13 07/15] iommu/smmuv3: Allow stage 1 invalidation with
 unmanaged ASIDs

Hi Shameer, Jean-Philippe,

On 12/4/20 11:20 AM, Shameerali Kolothum Thodi wrote:
> Hi Jean,
> 
>> -----Original Message-----
>> From: Jean-Philippe Brucker [mailto:jean-philippe@...aro.org]
>> Sent: 04 December 2020 09:54
>> To: Shameerali Kolothum Thodi <shameerali.kolothum.thodi@...wei.com>
>> Cc: Auger Eric <eric.auger@...hat.com>; wangxingang
>> <wangxingang5@...wei.com>; Xieyingtai <xieyingtai@...wei.com>;
>> kvm@...r.kernel.org; maz@...nel.org; joro@...tes.org; will@...nel.org;
>> iommu@...ts.linux-foundation.org; linux-kernel@...r.kernel.org;
>> vivek.gautam@....com; alex.williamson@...hat.com;
>> zhangfei.gao@...aro.org; robin.murphy@....com;
>> kvmarm@...ts.cs.columbia.edu; eric.auger.pro@...il.com; Zengtao (B)
>> <prime.zeng@...ilicon.com>; qubingbing <qubingbing@...ilicon.com>
>> Subject: Re: [PATCH v13 07/15] iommu/smmuv3: Allow stage 1 invalidation with
>> unmanaged ASIDs
>>
>> Hi Shameer,
>>
>> On Thu, Dec 03, 2020 at 06:42:57PM +0000, Shameerali Kolothum Thodi wrote:
>>> Hi Jean/zhangfei,
>>> Is it possible to have a branch with minimum required SVA/UACCE related
>> patches
>>> that are already public and can be a "stable" candidate for future respin of
>> Eric's series?
>>> Please share your thoughts.
>>
>> By "stable" you mean a fixed branch with the latest SVA/UACCE patches
>> based on mainline? 
> 
> Yes. 
> 
>  The uacce-devel branches from
>> https://github.com/Linaro/linux-kernel-uadk do provide this at the moment
>> (they track the latest sva/zip-devel branch
>> https://jpbrucker.net/git/linux/ which is roughly based on mainline.)
> 
> Thanks. 
> 
> Hi Eric,
> 
> Could you please take a look at the above branches and see whether it make sense
> to rebase on top of either of those?
> 
> From vSVA point of view, it will be less rebase hassle if we can do that.

Sure. I will rebase on top of this ;-)

Thanks

Eric
> 
> Thanks,
> Shameer
> 
>> Thanks,
>> Jean
>