linux-kernel - Re: [PATCH v3 2/2] iommu/tegra-smmu: Expend mutex protection range

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Message-ID: <20200929060238.GA26785@Asurada-Nvidia>
Date:   Mon, 28 Sep 2020 23:02:38 -0700
From:   Nicolin Chen <nicoleotsuka@...il.com>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     thierry.reding@...il.com, joro@...tes.org,
        linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org,
        jonathanh@...dia.com, linux-tegra@...r.kernel.org, digetx@...il.com
Subject: Re: [PATCH v3 2/2] iommu/tegra-smmu: Expend mutex protection range

On Tue, Sep 29, 2020 at 07:03:36AM +0100, Christoph Hellwig wrote:
> On Mon, Sep 28, 2020 at 09:52:47PM -0700, Nicolin Chen wrote:
> > This is used to protect potential race condition at use_count.
> > since probes of client drivers, calling attach_dev(), may run
> > concurrently.
> 
> Shouldn't this read "expand" instead of "expend"?

Oops...my poor English :)

Fixing....

Thanks!