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Date:   Wed, 24 Mar 2021 08:13:05 +0100
From:   Christoph Hellwig <hch@lst.de>
To:     Tian Tao <tiantao6@hisilicon.com>
Cc:     akpm@linux-foundation.org, peterz@infradead.org,
        paulmck@kernel.org, ast@kernel.org, tglx@linutronix.de,
        rostedt@goodmis.org, hch@lst.de, m.szyprowski@samsung.com,
        song.bao.hua@hisilicon.com, iommu@lists.linux-foundation.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] dma-mapping: make map_benchmark compile into module
Message-ID: <20210324071305.GB647@lst.de>
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On Wed, Mar 24, 2021 at 10:17:38AM +0800, Tian Tao wrote:
> under some scenarios, it is necessary to compile map_benchmark
> into module to test iommu, so this patch changed Kconfig and
> export_symbol to implement map_benchmark compiled into module.
> 
> On the other hand, map_benchmark is a driver, which is supposed
> to be able to run as a module.
> 
> Signed-off-by: Tian Tao <tiantao6@hisilicon.com>

Nope, we're not going to export more kthread internals for a test
module.