linux-kernel - Re: swiotlb/caamjr regression (Was: [GIT PULL] (swiotlb) stable/for-linus-5.12)

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Date:   Fri, 18 Jun 2021 11:01:59 -0700
From:   Jianxiong Gao <jxgao@...gle.com>
To:     Dominique MARTINET <dominique.martinet@...ark-techno.com>
Cc:     Christoph Hellwig <hch@....de>,
        Konrad Rzeszutek Wilk <konrad@...nok.org>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Horia Geantă <horia.geanta@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Lukas Hartmann <lukas@...mn.com>,
        Aymen Sghaier <aymen.sghaier@....com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        "linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
        "iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
        Marc Orr <marcorr@...gle.com>,
        Erdem Aktas <erdemaktas@...gle.com>,
        Peter Gonda <pgonda@...gle.com>
Subject: Re: swiotlb/caamjr regression (Was: [GIT PULL] (swiotlb) stable/for-linus-5.12)

> Jianxiong Gao, before spending more time on this, could you also try
> Chanho Park's patch?
> https://lore.kernel.org/linux-iommu/20210510091816.GA2084@lst.de/T/#m0d0df6490350a08dcc24c9086c8edc165b402d6f
>
I have tested Chanho Parks's patch and it works for us.
The NVMe driver performs correctly with the patch.

I have teste the patch on 06af8679449d

-- 
Jianxiong Gao