linux-kernel - Re: [PATCH] drivers:uio: Fix system crashes during driver switchover

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Message-ID: <Ynuv9YJPE0tO4347@infradead.org>
Date:   Wed, 11 May 2022 05:45:41 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     "zhanghongtao (A)" <zhanghongtao22@...wei.com>
Cc:     gregkh@...uxfoundation.org, akpm@...ux-foundation.org,
        linfeilong@...wei.com, suweifeng1@...wei.com,
        linux-kernel@...r.kernel.org, io-uring@...r.kernel.org
Subject: Re: [PATCH] drivers:uio: Fix system crashes during driver switchover

I thought SPDK uses vfio?  Using uio for anything that does DMA is
completelz unsafe.