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

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Date:   Thu, 17 Jun 2021 13:33:09 +0200
From:   Christoph Hellwig <hch@....de>
To:     Konrad Rzeszutek Wilk <konrad@...nok.org>
Cc:     Jianxiong Gao <jxgao@...gle.com>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        Christoph Hellwig <hch@....de>,
        Dominique MARTINET <dominique.martinet@...ark-techno.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)

On Wed, Jun 16, 2021 at 08:27:39PM -0400, Konrad Rzeszutek Wilk wrote:
> How unique is this NVMe? Should I be able to reproduce this with any
> type or is it specific to Google Cloud?

With swiotlb=force this should be reproducable everywhere.